Linea Energy · client: Google
Linea Energy signed a 15-year, 500-MW PPA in May 2026 for its Duffy Solar Project in Matagorda County, Texas.
Company lists
Solar energy, waste & water, green buildings, wind energy, startups and more: the companies building environment in California, with their founders, funding, team size and business models.
Funding, M&A, contract wins and launches involving 1,953 environment companies in California, last 24 months: 70 M&A deals · 45 Contracts · 31 funding rounds · 2 launches. Newest first; companies and investors link to their Fliar profiles. Latest event in our news feed: Jun 2026.
Linea Energy signed a 15-year, 500-MW PPA in May 2026 for its Duffy Solar Project in Matagorda County, Texas.
AAT has merged with Aqua Klean Systems (AKS) to create one company, the largest full-service cleaning company in the electronics industry.
SPARQ, an AI-native game engine and creator platform headquartered in Ras Al Khaimah's Innovation City, has opened an $8.5 million seed funding round with early participation from…
Marubeni Corp. has transferred its entire 40% stake in Everpower IPP Co., Ltd, which operates an LNG-fired combined cycle power generation project in Taiwan, to the Jack Wang Motors…
Small-scale solar system services company Otovo plans to acquire commercial O&M brand SunSystem Technology for $770,000 in cash and $1.3 million in a three-year earn-out.
Spanish energy firm Solaria is reportedly in talks to acquire a stake in a data center joint venture led by Telefónica and ACS, valued at around €4 billion ($4.71bn).
MARS Energy Group has acquired California-based Solar Savings Direct, doing business as Solar and Roof Direct, and Sequoia Roofing & Construction.
MARS Energy Group has acquired California-based Solar Savings Direct, doing business as Solar and Roof Direct, and Sequoia Roofing & Construction.
Equisolar secures more than €20 million in funding to accelerate the deployment of its photovoltaic projects in northern France.
Chinese solar photovoltaic firm Trina Solar sold its US facility to T1 Energy.
Headwater Energy (“Headwater”) today announced it has completed the acquisition of Arena Renewables (“Arena”), a leading distributed generation solar and battery energy storage system…
Japan's maturing solar sector is entering a decisive post-FIT phase, as GSSG Solar and Voltaiyo KK secure refinancing for a 104 MW portfolio of legacy FIT projects with SBI Shinsei Bank…
TAE announced its merger with Trump Media & Technology Group in December.
MBA Polymers has completed its merger with energenta AG, with the company's shareholders unanimously approving the transaction and exchanging their shares for new shares in the combined…
Alphabet’s Google has signed an agreement with Kairos Power, aiming to bring online its first small modular reactor by 2030.
March 2026: ERI and ITOCHU have jointly launched ERI Japan, a 50-50 joint venture focused on e-waste recycling in Japan.
Valar Atomics has now raised a total of $464M in total equity funding and is backed by Palmer Luckey and Shyam Sankar.
Last December, Trump Media & Technology Group Corp. NYSEDJT entered the nuclear fusion race after it agreed to buy California-based fusion startup TAE Technologies in a $6-billion…
In December 2025, NeoVolta and Luminia announced a strategic supply collaboration framework under which NeoVolta would receive a right of first refusal to supply battery energy storage…
Tetra Tech, Inc. ... announced today that the Defense Logistics Agency (DLA) has awarded the Company a $14 million task order under the J6 Enterprise Technology Services (JETS) 2.0…
Cypress Creek Renewables , a solar and storage company, agreed to acquire Steel River solar and storage project from Swift Current Energy , an electric utility company, according to…
Eco Innovation Group, Inc. (OTCID:ECOX) today provided a corporate update regarding its previously announced strategic transaction with Kepler GTL Technologies Inc.
Arevon Energy has secured $920m in financing for its Nighthawk Energy Storage Project, a 300MW/1.2 gigawatt-hour (GWh) facility being built in Poway, California, US.
The executed agreements include a Master Sales Agreement governing the overall structure of the transaction, a Stock Purchase Agreement providing for the transfer of voting control of…
The Company has also retained Costaldo Law Group P.C., a corporate and securities law firm led by Evan J. Costaldo, Esq., as securities counsel to guide regulatory compliance and…
the closing of the previously announced pending merger transaction between TMTG and TAE.
Recurrent Energy a subsidiary of Canadian Solar Inc. (“Canadian Solar”) (NASDAQ: CSIQ), a leading global developer, owner, and operator of solar and energy storage assets, announced…
Manulife | Comvest Credit Partners, the private credit platform of Manulife Wealth & Asset Management, today announced that it is acting as administrative agent and sole lender on a $130…
Tigo Energy, Inc. entered into definitive agreements with certain institutional investors for the purchase and sale of 5 million shares of common stock at a price of $3.00 per share,…
Few environment companies in California publish revenue, so this list compares what is on record instead: recorded equity funding, team size, revenue model, age and stage. The 50 companies below lead on recorded funding and team size among 1,516 active companies.

Developer of FRC nuclear fusion reactors
Nuclear energyUS$1.32bn across 9 disclosed equity rounds
Darker bars = larger roundsFocus: Modular fusion power systems with plasma heating, pulse charging, and energy storage control
CPC G21B1/052, H05H1/08, H05H3/02Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of solar panels, solar panel kits, and related components
Solar energyUS$845.32m across 9 disclosed equity rounds
Darker bars = larger roundsFocus: Non‑planar cylindrical solar cell modules with integrated filler and volume‑compensation packaging
CPC H10F77/147, H10F19/80, H10F77/45Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

AI-powered energy management software optimizing renewable energy and storage portfolios
Solar energyUS$819.06m across 14 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Developer of portable nuclear microreactors designed to replace diesel generators
Energy efficiency techUS$517.96m across 6 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Developer of utility-scale wind and solar power projects
Solar energyEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Manufacturer of nuclear fission reactors
Nuclear energyUS$489.00m across 3 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Developer of technology pursuing commercialization of fusion energy production
Nuclear energyEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of ethanol production solution from municipal solid waste
Waste & water managementUS$347.93m across 14 disclosed equity rounds
Darker bars = larger roundsFocus: Waste-to-fuel feedstock processing and Fischer‑Tropsch synthesis technologies
CPC C10G2/32, C10G1/002, C10G2/00Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of solar energy services for residential
Solar energyUS$296.98m across 5 disclosed equity rounds
Darker bars = larger roundsFocus: Solar panel mounting hardware and integrated tracking/fastening systems
CPC H02S20/23, H02S50/00, G06F30/13Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Solar panel warranty support now provided by SunPower
Solar energyUS$270.74m across 15 disclosed equity rounds
Darker bars = larger roundsFocus: Shingled photovoltaic module design, interconnect wiring, adhesive control, and mounting systems
CPC H10F71/00, H10F77/488, H10F77/935Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Developer of solar energy projects
Solar energyEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Designer of solar power conversion and storage products
Solar energyUS$160.93m across 23 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of micro-sized nuclear reactors for remote off-grid
Nuclear energyUS$109.12m across 3 disclosed equity rounds
Darker bars = larger roundsFocus: Design and optimization of firearm flash hider muzzle devices
CPC F41A21/34Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of portable power stations, solar generators, and home backup systems
Solar energyUS$104.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Developer of laser technology for commercial inertial fusion energy systems
Nuclear energyUS$100.36m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Nuclear energy company that is developing a novel, deeply buried, small modular reactor technology designed to provide a safe, clean, and efficient source of power
Nuclear energyUS$84.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

PACE financing provider
Green buildingsUS$75.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Semiconductor technology provider offering licenses, services, and equipment for diverse markets
Solar energyUS$70.18m across 4 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Solar EPC
Solar energyUS$61.40m across 3 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Developer of solar and wind energy projects
Solar energyUS$61.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of nuclear waste storage and disposal services
Waste & water managementUS$59.08m across 3 disclosed equity rounds
Darker bars = larger roundsFocus: Deep borehole hazardous waste isolation, containment canisters, and long‑term monitoring systems
CPC G21F9/34, B09B1/008, B09B1/006Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Manufactures PV modules
Solar energyEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Financial advisory for solar projects development
Solar energyUS$45.02m across 3 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of solar panel recycling services
Solar energyUS$42.93m across 3 disclosed equity rounds
Darker bars = larger roundsFocus: Recovering and processing glass, silicon, and metals from end‑of‑life solar modules
CPC B09B3/35, B03B9/06, B29B17/02Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Offers modern prefab homes and luxury modular houses
Green buildingsUS$41.53m across 3 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Manufacturer of photovoltaic products, energy storage, system solutions, and digital services
Solar energyEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Developer of automated robotic systems for renewable energy construction applications
Professional service robotsUS$39.12m across 3 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Retailer of solar products, energy efficient products, and buying guides
Ratings and review platformsUS$38.70m across 4 disclosed equity rounds
Darker bars = larger roundsFocus: EV charging hardware and control systems for multi-vehicle power transfer.
CPC H02J7/34, B60L53/305, B60L53/64Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Power industry advisory services focusing on strategic, commercial, and financial solutions
Solar energyUS$37.20m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Developer of solar energy projects
Solar energyUS$35.76m across 2 disclosed equity rounds
Darker bars = larger roundsFocus: Localized carbon intensity forecasting and analytics for electric power grids
CPC H02J13/1337Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of waste-to-energy solution
BioenergyEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Manufacturer of solar powered products
Solar energyUS$32.68m across 7 disclosed equity rounds
Darker bars = larger roundsFocus: Patents concentrated in electrical & electronics
CPC H02J3/381, H02J3/322Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Off-grid solar solutions: panels, batteries, kits, charge controllers, inverters
Solar energyEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of waste recycling services
Waste & water managementUS$26.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Low-concentration photovoltaic (CPV) system
Solar energyEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Solar energy solutions provider for residential and commercial needs
Solar energyUS$22.43m across 4 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of desalination services
Waste & water managementUS$22.10m across 6 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Solar Plants and develops solar baloon
Solar energyUS$22.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Manufacturer of carbon-negative concrete building materials. It offers a range of products for construction, desalination, and coral reef development. The materials are designed to be stronger and potentially cheaper than traditional concrete. The company also generates carbon credits through its production processes. Its technology is used in various projects, including residential and commercial applications. The company supports its mission through partnerships and investments.
Construction techUS$21.30m across 2 disclosed equity rounds
Darker bars = larger roundsFocus: Cementitious formulations for construction and marine reef restoration applications
CPC C04B28/08, C04B9/04, C04B20/0016Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of constructing carbon negative green building services
Green buildingsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Smart energy solutions provider offering expert engineering for resilient power systems
Solar energyUS$20.00m across 3 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Residential solar solution developer
Solar energyEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Network of organizations advancing land-use and transportation policies to address climate change and promote equitable development. It works to improve planning processes, advocating for policies that protect public health, increase social equity, and preserve natural areas. The network builds partnerships among diverse stakeholders to achieve pragmatic policy solutions and foster long-lasting community engagement in planning initiatives. Efforts focus on reducing greenhouse gas emissions, improving transportation access, and ensuring that vulnerable communities have a voice in decision-makin
Environment consultancy servicesEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of water management services
Waste & water managementUS$16.50m across 3 disclosed equity rounds
Darker bars = larger roundsFocus: Submerged seawater desalination with integrated green hydrogen generation and brine management.
CPC B01D61/025, F04F1/08, C25B1/04Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Manufacturer of polymeric membranes
Waste & water managementUS$16.17m across 3 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Provider of weather guarantees for travel and outdoor experiences. It offers proactive reimbursements to customers if inclement weather disrupts their pre-booked trips or activities. The service integrates directly with various travel and hospitality partners, allowing customers to add a weather guarantee during the booking process. Reimbursements are automated based on weather forecasts, eliminating the need for claims processes. The company covers a range of experiences, including hotels, resorts, camping, golf, skiing, and live events.
Air pollution management techUS$16.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Manufactures wind turbines
Wind energyUS$14.25m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Waste-to-biogas generation units for commercial buildings
Waste & water managementEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Innovative microinverter technology transforming solar energy with efficiency, reliability, and cost-effectiveness
Solar energyUS$13.87m across 3 disclosed equity rounds
Darker bars = larger roundsFocus: Wearable safety alerts and performance sensors for emergency response and athletic monitoring
CPC A63B71/0619, G08B21/0277, G08B21/02Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.

Enhancing solar power plant performance with innovative QuantumBoost technology
Solar energyUS$13.27m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
No matching company in this list.
This page shows the top 50. Radar has the complete, filterable list with contacts and live company signals.
Open environment in California on RadarFind top environment companies in California for solar energy, waste and water management, green buildings, and wind power. Explore environment startups in California and companies hiring in environmental services.
Companies developing, installing, and operating solar energy systems.

Provider of solar panels, solar panel kits, and related components
Solar energy
AI-powered energy management software optimizing renewable energy and storage portfolios
Solar energy
Developer of utility-scale wind and solar power projects
Solar energy
Provider of solar energy services for residential
Solar energy
Solar panel warranty support now provided by SunPower
Solar energyProviders of waste treatment, recycling, and water management solutions.

Provider of ethanol production solution from municipal solid waste
Waste & water management
Provider of nuclear waste storage and disposal services
Waste & water management
Provider of waste-to-energy solution
Bioenergy
Provider of waste recycling services
Waste & water management
Provider of desalination services
Waste & water managementCompanies improving buildings through sustainable design and energy efficiency.

Provider of constructing carbon negative green building services
Green buildings
Manufacturer of sensors detecting indoor air quality smoke and noise
Consumer electronics e-commerceProvider of turnkey electric vehicle charging solutions for property owners
Green buildings
Developer of green building communities
Green buildings
Plant Construction provides pre-construction services, construction management, and general contracting services.
Green buildingsDevelopers and operators of wind energy projects and equipment.

Developer of utility-scale wind and solar power projects
Solar energy
Power industry advisory services focusing on strategic, commercial, and financial solutions
Solar energyManufactures wind turbines
Wind energy
Developer of wind energy projects
Wind energyDeveloper of innovative floating wind technologies for clean energy solutions
Wind energyRecently founded environment companies in California.

Manufacturer of nuclear fission reactors
Nuclear energy
Developer of technology pursuing commercialization of fusion energy production
Nuclear energy
Developer of solar energy projects
Solar energy
Provider of micro-sized nuclear reactors for remote off-grid
Nuclear energyDeveloper of laser technology for commercial inertial fusion energy systems
Nuclear energyEnvironment companies in California with hiring activity.

Developer of FRC nuclear fusion reactors
Nuclear energy
Developer of utility-scale wind and solar power projects
Solar energy
Manufacturer of nuclear fission reactors
Nuclear energy
Designer of solar power conversion and storage products
Solar energy
Provider of micro-sized nuclear reactors for remote off-grid
Nuclear energyListed environment companies based in California.

Provider of solar energy services for residential
Solar energy
Designer of solar power conversion and storage products
Solar energy
Manufacturer of photovoltaic products, energy storage, system solutions, and digital services
Solar energy
Retailer of solar products, energy efficient products, and buying guides
Ratings and review platforms
Residential solar solution developer
Solar energyThe most-installed Android apps published by environment companies headquartered in California — 462K installs between them. 31 companies on this page publish at least one app; each company (legal entity) appears once, with its most-installed app.
The figures on this page come from Fliar’s company, funding, hiring and news data. Use it through the Investor Intelligence API and company data exports, or explore every company, founder and investor in Radar.
2,477 recorded equity rounds have gone to 14,676 environment companies in the United States — how much, at which stage, into which sub-sectors, from whom, and how California compares. Debt, IPO and grant rounds are excluded.
US$13.16bn
US$20.04bn
709 rounds in the United States
last 24 months
Bars show US$ raised; the number under each year is equity rounds. 2026 is year to date. The peak year was 2025, with US$7.00bn across 112 rounds.
Equity rounds over the last five years, 1,953 environment companies in California among 14,676 in the United States.
Each deal appears in the events strip at the top of the page.
Go deeper in the environment landscape reports:
Environment Industry Landscape of the United StatesThe financials above are one chapter. The full environment landscape of California maps the whole industry — every segment, the capital behind it, the talent market and where the next opportunities are.
145 environment companies in California have recorded equity funding, US$8.06bn in total. Totals and round dates describe the historical record; they are not current valuations.
Largest recorded equity totals, with the latest recorded round.
Nuclear energyDeveloper of FRC nuclear fusion reactors
Solar energyProvider of solar panels, solar panel kits, and related components
Solar energyAI-powered energy management software optimizing renewable energy and storage portfolios
Developer of portable nuclear microreactors designed to replace diesel generators
Solar energyDeveloper of utility-scale wind and solar power projects
Nuclear energyManufacturer of nuclear fission reactors
Nuclear energyDeveloper of technology pursuing commercialization of fusion energy production
Waste & water managementProvider of ethanol production solution from municipal solid waste
Solar energyProvider of solar energy services for residential
Solar energySolar panel warranty support now provided by SunPower
Solar energyDeveloper of solar energy projects
Solar energyDesigner of solar power conversion and storage products
Nuclear energyProvider of micro-sized nuclear reactors for remote off-grid
Solar energyProvider of portable power stations, solar generators, and home backup systems
Founders
Details not available
Developer of laser technology for commercial inertial fusion energy systems
Nuclear energyNuclear energy company that is developing a novel, deeply buried, small modular reactor technology designed to provide a safe, clean, and efficient source of power
US$1.32bn across 9 disclosed equity rounds
Darker bars = larger roundsFocus: Modular fusion power systems with plasma heating, pulse charging, and energy storage control
CPC G21B1/052, H05H1/08, H05H3/02Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$845.32m across 9 disclosed equity rounds
Darker bars = larger roundsFocus: Non‑planar cylindrical solar cell modules with integrated filler and volume‑compensation packaging
CPC H10F77/147, H10F19/80, H10F77/45Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$819.06m across 14 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$517.96m across 6 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$489.00m across 3 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$347.93m across 14 disclosed equity rounds
Darker bars = larger roundsFocus: Waste-to-fuel feedstock processing and Fischer‑Tropsch synthesis technologies
CPC C10G2/32, C10G1/002, C10G2/00Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$296.98m across 5 disclosed equity rounds
Darker bars = larger roundsFocus: Solar panel mounting hardware and integrated tracking/fastening systems
CPC H02S20/23, H02S50/00, G06F30/13Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$270.74m across 15 disclosed equity rounds
Darker bars = larger roundsFocus: Shingled photovoltaic module design, interconnect wiring, adhesive control, and mounting systems
CPC H10F71/00, H10F77/488, H10F77/935Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$160.93m across 23 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$109.12m across 3 disclosed equity rounds
Darker bars = larger roundsFocus: Design and optimization of firearm flash hider muzzle devices
CPC F41A21/34Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$104.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$100.36m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$84.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Meet the people behind environment companies in California. 467 of 1,516 companies list founders or leaders; where a public LinkedIn profile matches exactly, the expanded profile shows the photo, headline, location and education.
Companies whose recorded headcount rose the most between the two most recent team-size snapshots. A larger team is a signal of momentum, not of profitability.
Waste & water managementConsulting, Engineering, Program Management, Construction Management, and Technical Services
Developer of diversified style of solar panels
Air management servicesEnergy-based holding company
Solar energySolar installation company
Founders
Details not available
Solar energyDistributed energy producers
Waste & water managementModern Waste provides recycling and waste disposal services.
Founders
Details not available
Waste & water managementProvider of sustainable energy solutions and battery services
Founders
Details not available
Nuclear energyProvider of radiation detection, measurement, analysis and monitoring products and services
Waste & water managementProvider of metal scrap recycling services
It servicesProvider of E-waste recycling and asset disposition services
Solar energyProvider of fee-based repair, tech support, and data monitoring services
Solar energyDeveloper of space grade solar panels and CPV
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Focus: Radiation detection and dosimetry instrumentation for monitoring ionizing radiation levels.
CPC G01T1/026, G01T1/185, G01T1/17Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Focus: Thin-film semiconductor devices and concentrated photovoltaic module manufacturing
CPC H10F10/144, H10F19/00Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Environment companies in California with at least one woman on the founding team. Expand a profile to meet the founders; teams can include both women and men.
Solar energyResidential solar solution developer
Solar energySolar panel warranty support now provided by SunPower
Nuclear energyDeveloper of small modular reactor
Waste & water managementBiocatalytic technology solutions for water treatment and purification
Solar energySolar appliance manufacturer empowering off-grid communities with reliable, clean energy
Waste & water managementProvider of bio wastewater services
Iot applicationsPlatform providing satellite data and AI for biosolar and storage
Nuclear energyNuclear energy company that is developing a novel, deeply buried, small modular reactor technology designed to provide a safe, clean, and efficient source of power
Nuclear energyProvider of micro-sized nuclear reactors for remote off-grid
Solar energyProvider of integrated solar, EV charging, and energy storage solutions
Developer of solar and wind energy projects
Solar energyProvider of portable power stations, solar generators, and home backup systems
Founders
Details not available
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$270.74m across 15 disclosed equity rounds
Darker bars = larger roundsFocus: Shingled photovoltaic module design, interconnect wiring, adhesive control, and mounting systems
CPC H10F71/00, H10F77/488, H10F77/935Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Focus: Design and operation of small modular nuclear reactors and integrated fuel/heat‑exchange systems.
CPC G21C19/10, G21C3/626, G21C13/10Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$6.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$13.00m across 2 disclosed equity rounds
Darker bars = larger roundsFocus: Wearable sensor-based automatic cough detection for digital health monitoring
CPC A61B5/0823, A61B5/7264, G10L25/66Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$300k across 2 disclosed equity rounds
Darker bars = larger roundsFocus: IoT-enabled rooftop farming platforms integrating smart‑city sensor data for precision agriculture
CPC G06V10/82, G06V20/176Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$84.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$109.12m across 3 disclosed equity rounds
Darker bars = larger roundsFocus: Design and optimization of firearm flash hider muzzle devices
CPC F41A21/34Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Focus: Adaptive EV charging hardware and grid‑integrated energy management systems
CPC B60L11/1846, H02J13/1323, H01M10/425Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$104.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Environment companies in California founded in the last four years, newest first.
Nuclear energyDeveloper of technology pursuing commercialization of fusion energy production
Nuclear energyDeveloper of small modular nuclear reactors for diverse power needs
Environment research and training servicesA research and development company focused on solutions for the global water crisis, transforming air into drinking water through sustainable means
Solar energyProvider of solar services for commercial & residential
Founders
Details not available
Provider of environmental field services and drilling/construction
Founders
Details not available
Waste & water managementProvider of innovative solutions for water desalination
Founders
Details not available
Waste & water managementProvider of water services to residential customers
Founders
Details not available
Solar energyProvider of solar power plant investment and funding services
Founders
Details not available
Renewable energy techAI powered marketplace for solar project development services
Founders
Details not available
Solar energyProvider of solar-powered drones that stay airborne in the stratosphere for high-resolution imagery acquisition
Nuclear energyManufacturer of nuclear fission reactors
Nuclear energyNuclear energy company that is developing a novel, deeply buried, small modular reactor technology designed to provide a safe, clean, and efficient source of power
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$489.00m across 3 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$84.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Companies with the most distinct news events in the last 24 months across the business press Fliar tracks.
Wind energyDeveloper of wind energy projects
Solar energyProvider of solar energy services for residential
Nuclear energyDeveloper of small modular reactor
Solar energyDesigner of solar power conversion and storage products
Nuclear energyProvider of radiation detection, measurement, analysis and monitoring products and services
Waste & water managementConsulting, Engineering, Program Management, Construction Management, and Technical Services
Solar energyManufacturer of photovoltaic products, energy storage, system solutions, and digital services
Developer of diversified style of solar panels
Solar energyDeveloper of mobile rapid chargers for EVs
Solar energySolar and roofing solutions for residential and commercial properties
Solar energySolar energy solutions provider for residential and commercial needs
Solar energyManufacturer and distributor of solar products like portable solar lights, lanteres and chargers
Focus: Intelligent building electrical distribution and adaptive control hardware systems
CPC G05B13/024, G06N20/00, G11C16/3436Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$296.98m across 5 disclosed equity rounds
Darker bars = larger roundsFocus: Solar panel mounting hardware and integrated tracking/fastening systems
CPC H02S20/23, H02S50/00, G06F30/13Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Focus: Design and operation of small modular nuclear reactors and integrated fuel/heat‑exchange systems.
CPC G21C19/10, G21C3/626, G21C13/10Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$160.93m across 23 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Focus: Radiation detection and dosimetry instrumentation for monitoring ionizing radiation levels.
CPC G01T1/026, G01T1/185, G01T1/17Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$22.43m across 4 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
The most common specialisations among environment companies in California. Open a company to see what it sells, who runs it and how far it has come.
604 environment companies in California work in solar energy. Shown: the best-documented.
Solar energyProvider of solar power design software for residential and commercial projects


Solar energyOffers solar mounting system

Solar energyEnhancing solar power plant performance with innovative QuantumBoost technology
Solar energyProvider of solar energy services for residential
Solar energySolar EPC
Solar energyDeveloper of solar energy projects
Solar energyEnergy Services Company
Solar energyProvider of solar panels, solar panel kits, and related components
Solar energyDeveloper of utility-scale wind and solar power projects
Solar energyProvider of solar energy services for homes
Solar energyCompany specializing in residential solar energy solutions and smart home integration through a network of partners across the US
Solar energyResidential solar solution developer
US$134k across 3 disclosed equity rounds
Darker bars = larger rounds

Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$12.47m across 5 disclosed equity rounds
Darker bars = larger rounds
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$13.27m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$296.98m across 5 disclosed equity rounds
Darker bars = larger roundsFocus: Solar panel mounting hardware and integrated tracking/fastening systems
CPC H02S20/23, H02S50/00, G06F30/13Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$61.40m across 3 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$405k across 3 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$9.98m across 6 disclosed equity rounds
Darker bars = larger roundsFocus: Linked database integration platforms and social network analysis tools
CPC G06F16/9536, G06F16/951Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$845.32m across 9 disclosed equity rounds
Darker bars = larger roundsFocus: Non‑planar cylindrical solar cell modules with integrated filler and volume‑compensation packaging
CPC H10F77/147, H10F19/80, H10F77/45Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$1.18m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$11.68m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
445 environment companies in California work in waste & water management. Shown: the best-documented.
Waste & water managementProvider of waste water management services

Waste & water managementProvider of ethanol production solution from municipal solid waste
BioenergyProvider of waste-to-energy solution
Waste & water managementWaste-to-biogas generation units for commercial buildings
Waste & water managementProvider of desalination services
Waste & water managementProvider of nuclear waste storage and disposal services
Waste & water managementBiocatalytic technology solutions for water treatment and purification
Waste & water managementProvider of waste recycling services
Waste & water managementProvider of wastewater management services
Founders
Details not available
Waste & water managementProvider of water management services
Waste & water managementProvider of waste management services
Waste & water managementProvider of water filtration & purification systems
Founders
Details not available

Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$347.93m across 14 disclosed equity rounds
Darker bars = larger roundsFocus: Waste-to-fuel feedstock processing and Fischer‑Tropsch synthesis technologies
CPC C10G2/32, C10G1/002, C10G2/00Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$22.10m across 6 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$59.08m across 3 disclosed equity rounds
Darker bars = larger roundsFocus: Deep borehole hazardous waste isolation, containment canisters, and long‑term monitoring systems
CPC G21F9/34, B09B1/008, B09B1/006Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$6.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$26.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$7.89m across 2 disclosed equity rounds
Darker bars = larger roundsFocus: Integrated thermal management for data centers with seawater desalination and aquaculture.
CPC C02F1/441, A01K63/065, C02F1/16Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Focus: Modular waste container systems for efficient collection and transport
CPC B65F1/006Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$8.26m across 5 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
167 environment companies in California work in green buildings. Shown: the best-documented.
Green buildingsOffers modern prefab homes and luxury modular houses
Consumer electronics e-commerceManufacturer of sensors detecting indoor air quality smoke and noise
Green buildingsProvider of constructing carbon negative green building services
Green buildingsPACE financing provider
Green buildingsProvider of eco-friendly modular homes
Founders
Details not available
Provider of turnkey electric vehicle charging solutions for property owners
Founders
Details not available
Green buildingsDeveloper of ecofriendly homes & neighbourhoods
Founders
Details not available
Green buildingsDeveloper of green building communities
Founders
Details not available
Green buildingsPlant Construction provides pre-construction services, construction management, and general contracting services.
Founders
Details not available
Marmol Radziner is a design-build firm.
Founders
Details not available
Green buildingsDeveloper of green building communities
Founders
Details not available
Green buildingsDeveloper of green homes
Founders
Details not available
US$41.53m across 3 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$12.50m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$75.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Focus: Automatic speaker diarization and forensic audio verification in digital signal processing.
CPC G10L17/06, G10L17/02, G06F21/64Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
111 environment companies in California work in air management services. Shown: the best-documented.
Air management servicesProvider of carbon capture services
Air pollution management techProvider of gas concentration and isotope analyzers using cavity ring-down spectroscopy
Air pollution management techProvider of weather guarantees for travel and outdoor experiences. It offers proactive reimbursements to customers if inclement weather disrupts their pre-booked trips or activities. The service integrates directly with various travel and hospitality partners, allowing customers to add a weather guarantee during the booking process. Reimbursements are automated based on weather forecasts, eliminating the need for claims processes. The company covers a range of experiences, including hotels, resorts, camping, golf, skiing, and live events.
Construction techManufacturer of carbon-negative concrete building materials. It offers a range of products for construction, desalination, and coral reef development. The materials are designed to be stronger and potentially cheaper than traditional concrete. The company also generates carbon credits through its production processes. Its technology is used in various projects, including residential and commercial applications. The company supports its mission through partnerships and investments.
Air management servicesProvider of air management services
Founders
Details not available
Air management servicesProvider of environmental management services
Provider of air management services
Environment consultancy servicesNetwork of organizations advancing land-use and transportation policies to address climate change and promote equitable development. It works to improve planning processes, advocating for policies that protect public health, increase social equity, and preserve natural areas. The network builds partnerships among diverse stakeholders to achieve pragmatic policy solutions and foster long-lasting community engagement in planning initiatives. Efforts focus on reducing greenhouse gas emissions, improving transportation access, and ensuring that vulnerable communities have a voice in decision-makin
Founders
Details not available
Air management servicesEnergy-based holding company
Air management servicesProvider of air management services
Founders
Details not available
Provider of environmental compliance, planning, and engineering services for energy, natural resource, and infrastructure projects. It offers analysis, advice, and services to both agencies and project proponents. Services are essential throughout a project's lifecycle, from planning through construction and beyond. The firm supports sustainable resource use and a safe environment. Its work includes environmental document preparation, biological surveys, and monitoring for construction projects.
Founders
Details not available
Air management servicesProvider of air quality, environmental compliance, industrial hygiene, and other services
Founders
Details not available
US$270k across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$16.00m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$21.30m across 2 disclosed equity rounds
Darker bars = larger roundsFocus: Cementitious formulations for construction and marine reef restoration applications
CPC C04B28/08, C04B9/04, C04B20/0016Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$11.22m across 4 disclosed equity rounds
Darker bars = larger roundsFocus: Algae-derived polyester polyols for biodegradable thermoplastic polyurethane production
CPC C08G18/4236, C08G18/4238, C08G18/73Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
US$6.12m across 2 disclosed equity rounds
Darker bars = larger roundsEach tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
Each tile appears only where data is on record. Founder photos and LinkedIn links appear where a profile matches exactly.
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