Best Environment Tech Companies in San Diego, United States
The 81 best Environment Tech companies in San Diego, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: ecoATM.
Our analysis of 83 Environment Tech companies
$16.0b in tracked funding; 90% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment Tech companies in San Diego
| # | Company | Disclosed funding | Last round | Employees | Founder | Stage | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | ecoATM Automated kiosks for e-waste collection | $398M | 38 mo ago | 462 462 → 382 (-17%) | Stan Pavlovsky Chief Executive Officer | Acquired | 390 patents Automated kiosks for evaluating, purchasing, and recycling consumer electronic devices. | 1 launch |
| 2 | Sapphire Energy Business energy price comparison website helping UK businesses save on energy bills | $390M | 126 mo ago | 1 | — | Series D | 269 patents Algal biofuel production and photosynthetic synthesis of high‑value chemicals. | — |
| 3 | Halcyon Provider of AI-assisted search and information platform for energy professionals 45Funding top 25%Talent top 38%Patents top 39%Innovation top 42% All 7 signals ▾Fundingtop 25% Talenttop 38% Patentstop 39% Innovationtop 42% Techbottom 46% Marketbottom 37% Globalbottom 35% Funding: Raised $31.8M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 45/100 | $32M | 3 mo ago | — | Bruce F Founder & CEO | Series A | 13 patents Patents concentrated in transport & manufacturing processes | — |
| 4 | Figtree Financing PACE financing provider for property owners. | $30M | 122 mo ago | 152 | — | Series A | — | — |
| 5 | Aquam Provider of sensor and advanced material based waterpipe diagnostic and rehabilitation solutions | $27M | 103 mo ago | 153 | Dan Squiller CEO | Series B | — | 1 launch |
| 6 | ECOR Global Developer of sustainable building materials | $20M | 31 mo ago | 92 | Jay Potter Co-Founder & CEO | Series B | 12 patents Production of composite fiber boards and laminates for engineered wood products | — |
| 7 | CleanSpark Provider of microgrid optimizer software solutions 74Funding top 28%Fin. health top 28%Growth top 29%Market top 30% All 13 signals ▾Fundingtop 28% Fin. healthtop 28% Growthtop 29% Markettop 30% Moattop 31% Producttop 32% Talenttop 36% Techtop 37% Partnerstop 37% Newstop 38% Innovationbottom 39% Patentsbottom 33% Globalbottom 33% Funding: Raised $20.0M · 3 rounds over 7 yrs (0.4/yr) Fin. health: Revenue ~$766M (FY2021) · Net margin -42416.8% rank vs industry peers · Fliar Intelligence Index 74/100 | $20M | 7 mo ago | 130 | Zachary Bradford CEO & President | Acquired | 6 patents Communication and power‑sharing networks for distributed energy generation and storage systems | — |
| 8 | Xendee Provider of software for microgrid design, modeling, and operation services | $20M | 48 mo ago | 10 10 → 25 (+150%) | Scott Mitchell Co-Founder | Series A | 22 patents AI-powered planning and optimization of microgrids and distributed energy resources | — |
| 9 | Ivy Energy Cloud-based platform offering bill calculation software solutions for solar energy operators | $18M | 26 mo ago | 38 38 → 50 (+32%) | Dover J Founder & CEO | Series A | — | — |
| 10 | AquaSpy Revolutionizing agriculture with real-time nutrient management and soil intelligence | $15M | 125 mo ago | 29 | Bruce Moeller CEO | Series B | 4 patents Subsurface soil moisture and EC sensing with wireless data acquisition and analysis. | — |
| 11 | Ocean NanoTech Provider of dispensable quantum dots | $11M | 84 mo ago | 6 | Andrew Wang CEO & President | Funding Raised | — | — |
| 12 | BlueDot Modern furniture for every room: design, quality, and sustainability | $5M | 156 mo ago | 4 | — | Deadpooled | 15 patents Automotive wheel valve mounts and tire tread sensors; genomic metagenomic analysis and sequencing barcoding | — |
| 13 | Agnetix Developer of water-cooled LED horticulture lighting systems with integrated data visibility | $5M | 64 mo ago | 20 | Ihor Lys Co-Founder & CTO | Seed | 85 patents Patents concentrated in health & consumer products | — |
| 14 | EP Analytics HPC experts providing performance analysis and optimization software and services | $5M | 14 mo ago | 12 | Laura Carrington Co-Founder & VP | Funding Raised | 55 patents Asynchronous distributed data transfer and multi‑view analytics visualization platforms | — |
| 15 | Frontier Water Provider of solution for treatment of selenium, nitrate, and metals from heavy industry | $4M | 143 mo ago | — | Tim Pickett Co-Founder | Acqui-Hired | — | — |
| 16 | VECKTA Cloud-based microgrid turnkey control solutions provider | $3M | 47 mo ago | 20 | Tristan Jackson Co-Founder & CSO | Seed | — | — |
| 17 | Anacove Provider of energy management solutions for hotels | $2M | 48 mo ago | 4 | — | Seed | 6 patents IoT-enabled facility management and occupancy sensing using smart power cords and sensor networks | — |
| 18 | CamerEye Provider of AI-enabled pool safety and surveillance systems | $1M | 33 mo ago | 13 | Sai R Founder & CEO | Seed | — | — |
| 19 | Canetia Analytics Provider of AI-based structural analysis solutions | $1M | 14 mo ago | — | Graham Sutherland Founder & CEO | Funding Raised | 10 patents Remote condition monitoring and data analytics for physical asset assessment | — |
| 20 | Luminia Commercial property solar & sustainability financing solutions | $1M | 80 mo ago | 23 | — | Seed | — | — |
| 21 | HYGIENICA Supplier of electric hygienic systems | $1M | 71 mo ago | 3 | — | Deadpooled | — | — |
| 22 | New Leaf Biofuel Manufactures Biodiesel from used vegetable oil | $979K | 168 mo ago | 28 | — | Funding Raised | — | — |
| 23 | Iteros Cloud based DER and microgrid control software | $830K | 93 mo ago | 8 | — | Seed | 2 patents Distributed mesh energy system power sharing and coordination | — |
| 24 | Conectric Provider of sensor and software gateways used in utility sub-metering | $716K | 127 mo ago | 9 | Phillip Kopp CEO and Co-Founder | Seed | 25 patents Wireless sensor networks for adaptive building energy monitoring and control | — |
| 25 | ChangeAerial Provides tools and services for using aerial pictures in automated change detection analyses | $275K | 23 mo ago | — | Andrea Sotgiu Co-Founder | Funding Raised | — | — |
| 26 | Solenica Designed a designer robot that brings natural illumination in home | $120K | 111 mo ago | 6 | Alessio Paoletti Founder & Product Dev. & Industrial Designer | Seed | 7 patents Residential solar tracking mirrors (heliostats) for home energy concentration | — |
| 27 | PI Energy Developer of cost-disruptive, waferless solar photovoltaic materials for rooftop installations | $101K | 25 mo ago | 5 | Phil Layton Founder & CEO | Seed | 1,199 patents Advanced power generation, fluid control, and uranium processing for oil/gas and nuclear sectors | — |
Top 12 Environment Tech companies in San Diego
#1
Series A · San Diego, California · founded 2021$31.8Mraised▾
Provider of AI-assisted search and information platform for energy professionals. The platform helps users discover new sources and understand shifting market dynamics. It enables users to answer complex questions related to the energy transition. The platform offers dynamically updated datasets collated from authoritative sources. It also provides alerts and search functionalities for energy dockets, documents, and filings.
- Feb 2026Series A$21M
- Apr 2024Seed$10.8M
#2
Acquired · San Diego, California · founded 2008 · 130 employees$20Mraised▾
Provider of microgrid optimizer software solutions. The software mVSO provides solutions for energy security, sustainability, and revenue generation. It also provides big data analysis solutions for the utilities. Its other offerings include mPulse - for integration and optimization of multiple energy sources, Switchgear - for providing a variety of operating modes, and more.
#3
Funding Raised · San Diego, California · founded 2009 · 12 employees$4.6Mraised▾
HPC experts providing performance analysis and optimization software and services. The company delivers industry-leading expertise and software for application-focused performance analysis of cutting-edge supercomputer systems. Dedicated to helping clients understand application performance, make informed HPC procurement decisions, and maximize the efficiency of existing HPC resources. They offer HPC code modernization and optimization, cloud migration services, and performance profiling tools. SimplifyHPC streamlines computational chemistry workflows. They provide HPC procurement support, cloud HPC solutions, and HPC code services. The company develops software tools for application-focused performance prediction and energy management of high-performance computing systems. They specialize in high-performance computing, performance prediction, energy-efficient computing, software development, and computer systems research.
- Mar 2025Grant (prize money)$1.9M
- Feb 2021Grant (prize money)$1.9M
- Feb 2020Grant (prize money)$191.6K
- Feb 2017Grant (prize money)$225.7K
#4
Acquired · San Diego, California · founded 2008 · 462 employees$397.9Mraised▾
Automated kiosks for e-waste collection. The kiosk can be used to collect unwanted or used cell phones, tablets, and MP3 players. Provides a mobile application through which customers can check the price for electronic scrap & can locate the nearest kiosks. ecoATM is a member of Outerwall, Inc.
- Mar 2023Series D$50M
- Jun 2021Series D$75M
- Feb 2020Series D$200M
- Feb 2013Series C$41.5M
#5
Funding Raised · San Diego, California · founded 2019$1.3Mraised▾
Provider of AI-based structural analysis solutions. Its offerings include IoT sensors and AI-based data analytics software. It enables real-time building and structural condition remotely and automatically by analyzing natural structural vibrations collected by its sensors.
- Apr 2025Grant (prize money)$992.5K
- Sep 2022Grant (prize money)$276K
#6
Series A · San Diego, California · founded 2012 · 38 employees$18Mraised▾
Cloud-based platform offering bill calculation software solutions for solar energy operators. The platform compares resident behavior using proprietary algorithms to equitably distribute the benefits of solar, based on real-time usage, solar availability, and avoided utility cost.
- Apr 2024Series A$18M
#7
Series B · San Diego, California · founded 2006 · 92 employees$20.2Mraised▾
Developer of sustainable building materials. Ecor comes as a flat panel and a corrugated panel, the two can be combined to make configurations and shapes for a limitless number of applications. Ecor material is made from recycled cellulose fibers obtained from urban, farm, and forest waste.
- Nov 2023Series B—
- Sep 2018Series A$250K
- Jan 2018Series A$760K
- Aug 2017Series A$1.1M
#8
Series D · San Diego, California · founded 2006 · 1 employees$390Mraised▾
Business energy price comparison website helping UK businesses save on energy bills. We are a dedicated platform committed to assisting businesses of all sizes in securing competitive rates for gas and electricity. Our mission is to simplify the energy comparison process, empowering informed decisions that benefit your business. With a deep understanding of the energy market and a focus on transparency, we provide access to the best prices and tariffs available. We empower your business with the tools and insights needed to take control of energy expenses, reduce costs, and improve energy efficiency. Our team of energy experts is passionate about providing top-notch service, combining industry knowledge with a customer-first approach. We continuously monitor the market, negotiate with suppliers, and update our platform to give you up-to-date information and the best possible options.
- Dec 2015Series D$92M
- Aug 2013Grant (prize money)$5M
- Apr 2012Series C$144M
- Aug 2010Grant (prize money)$1.8M
#9
Series A · San Diego, California · founded 2012 · 10 employees$20Mraised▾
Provider of software for microgrid design, modeling, and operation services. The software facilitates the design and operation of distributed energy resource projects. It combines economic and one-line diagram modeling with regulatory constraints and energy pricing. The company also offers modeling and engineering services.
- Jun 2022Series A$12M
- Dec 2021Series A$8M
#10
Funding Raised · San Diego, California · founded 2020$274.7Kraised▾
Provides tools and services for using aerial pictures in automated change detection analyses. Starting with drone mission flight planning and concluding with damage and wear reporting, they offer an end-to-end solution supported by software tools. The software can enhance image acquisition and inspection using AI technology .
- Jul 2024Grant (prize money)$274.7K
#11
Series B · San Diego, California · founded 2005 · 153 employees$27.5Mraised▾
Aquam provides sensor and advanced material-based waterpipe diagnostic and rehabilitation solutions for water, wastewater, and gas pipeline infrastructure. Offers epoxy barrier coating services to pressurized, non-pressurized pipeline infrastructure. Has developed pipe scanning products such as Bullet, an integrated hydrophone and CCTV inspection system for pressurized pipework leak detection PipeScan, an integrated ultrasonic probes, and hi-resolution camera system for the full dimensional survey, multiple wall thickness measurement, and flaw identification application Voyager, a sensor hardware solution for pipeline condition assessment and leak detection. Provides remote metering service to manage remote delivery of water resources and consumption tracking. Also offers pipeline cleaning, vapor testing, pipe tracing, and geophysical services.
- Nov 2017Series B$26M
- Sep 2015Venture Debt$13M
- 2014Series A$1.5M
#12
Seed · San Diego, California · founded 2020 · 13 employees$1.4Mraised▾
Provider of AI-enabled pool safety and surveillance systems. Its offering includes a camera, speakers, accessories, and a monitoring mobile app. Its feature includes AI-based live streaming access, alerts, and cloud storage. It is applicable for pools and spas. It is available on iOS and Android platforms.
- Sep 2023Seed$350K
- Jan 2022Seed$1.1M
- Dec 2021Conventional Debt$500K
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Environmental Monitoring is moving in the United States
A read on the academic research around Environmental Monitoring — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 3,039 United States-affiliated papers.
- United States Geological Survey157
- Cary Institute of Ecosystem Studies112
- Environmental Protection Agency84
- National Research Council79
- National Park Service76
- Software deployment2→31
- Pollution3→27
- Air quality index1→25
- Water quality10→34
- Air pollution3→25
- Air quality index14→60
- Air pollution8→51
- Pollutant4→32
- Sampling (signal processing)14→42
- Water quality23→48
- Human health1→32
- Pollution4→33
- Air quality index6→31
- Pollutant6→28
- Biodiversity1→22
Where environmental monitoring is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing environmental monitoring patents in the United States
United States environmental monitoring patent filing is accelerating — 450 filings from 343 assignees (2016–2025), led by LEEO, Valencell, United Parcel Service; annual filings 47→49.
- LEEO41
- Valencell25
- United Parcel Service21
- Honeywell INT20
- Apple18
- Venturedyne18
- Pillar TECH17
- IND Scient16
Common questions
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.