Best Environment Companies in New York City, United States
The 134 best Environment companies in New York City, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: TerraForm Power.
Our analysis of 90 Environment companies
$38.2b in tracked funding; 89% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment companies in New York City
| # | Company | Disclosed funding | Last round | Employees | Founded | Founder | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | TerraForm Power Leading renewable energy provider with wind, solar, and storage assets | $3.7B | 80 mo ago | — | 2014 | John Stinebaugh CEO | — | — |
| 2 | Madison Energy Investments Provider of platform for investors 45Funding top 17%Tech top 46%Global bottom 38%Market bottom 33% All 5 signals ▾Fundingtop 17% Techtop 46% Globalbottom 38% Marketbottom 33% Newsbottom 22% Funding: Raised $800M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Tech: 21 technologies across 5/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 45/100 | $800M | 9 mo ago | 32 | 2019 | — | — | — |
| 3 | Concrete Pumping Holdings Provider of concrete pumping services and concrete waste management solutions | $357M | 90 mo ago | 1,650 | 1983 | — | 3 patents Underground mine sealing systems and pressurized pipe containment sleeves | 1 partnership · 1 expansion |
| 4 | Elysian Provider of integrated carbon capture and storage solutions. | $350M | 54 mo ago | 6 | 2018 | Bret Logue CEO | — | — |
| 5 | MN8 Energy Provider of solar energy services | $325M | 26 mo ago | 280 | 2022 | — | — | 1 expansion · 1 award |
| 6 | PosiGen Provider of solar panel energy solution for enterprises 64Innovation top 20%Funding top 22%Product top 29%News top 30% All 10 signals ▾Innovationtop 20% Fundingtop 22% Producttop 29% Newstop 30% Techtop 35% Moattop 39% Markettop 44% Talentbottom 49% Globalbottom 43% Growthbottom 35% Innovation: 9 product lines Funding: Raised $280M across 13 rounds · 13 rounds over 12 yrs (1.1/yr) rank vs industry peers · Fliar Intelligence Index 64/100 | $280M | 25 mo ago | 600 | 2011 | Thomas Neyhart Founder & Executive Chairman | — | — |
| 7 | Sunlight Financial Residential solar finance | $260M | 96 mo ago | 195 195 → 169 (-13%) · sector median +20% | 1988 | — | — | 1 partnership |
| 8 | Greenbacker Sustainable infrastructure investment and management firm focused on renewable energy sector | $150M | 42 mo ago | 196 | 2011 | David Zackowitz Managing Director | — | 1 job opening |
| 9 | GameChange Solar Designer & manufacturer of fixed tilt and tracker solar racking systems | $150M | 54 mo ago | 139 | 2012 | Andrew Worden Founder & CEO | 58 patents Photovoltaic module mounting hardware and self‑shielding tracking systems | 4 job openings |
| 10 | Onyx Renewable Partners Renewable Energy development company 48Funding top 26%Growth top 43%Moat top 48%Market top 49% All 7 signals ▾Fundingtop 26% Growthtop 43% Moattop 48% Markettop 49% Techbottom 40% Globalbottom 32% Newsbottom 21% Funding: Raised $132M across 3 rounds · 3 rounds over 12 yrs (0.2/yr) Growth: Headcount 54 → 69 (+28%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 48/100 | $132M | 11 mo ago | 69 69 → 75 (+9%) · sector median +20% | 2014 | — | — | — |
| 11 | UGE Offers solar and wind systems | $120M | 29 mo ago | 64 | 2008 | — | — | — |
| 12 | CrossBoundary Energy Provider of fully financed renewable energy solutions for commercial and industrial clients 48Growth top 25%News top 31%Funding top 37%Tech top 41% All 6 signals ▾Growthtop 25% Newstop 31% Fundingtop 37% Techtop 41% Globalbottom 37% Marketbottom 30% Growth: Fresh capital in last 24 mo News: 5 BI events in 12 mo (of 25 tracked, 4 types) · +150% YoY rank vs industry peers · Fliar Intelligence Index 48/100 | $83M | 1 mo ago | 21 | 2014 | — | — | — |
| 13 | Terra-Gen Independent renewable energy power producer | $55M | 27 mo ago | 312 312 → 302 (-3%) · sector median +20% | 2007 | — | — | 1 partnership |
| 14 | FTL Solar Solar Fabrics and textiles | $53M | 187 mo ago | — | 1998 | Robert Lerner Co-Founder | — | — |
| 15 | 3Power Energy Group Solar, wind and hydro IPP | $50M | 183 mo ago | 6 | 2002 | Toby Durrant CEO | — | — |
| 16 | SOLUNA Developer of solar and wind energy projects | $35M | 42 mo ago | 32 | 2018 | — | 11 patents Integrated modular data center infrastructure with advanced thermal and energy optimization | — |
| 17 | Bright Power Energy audit services and management solutions | $33M | 20 mo ago | 18 | 2004 | Jeff Perlman Founder | — | — |
| 18 | Anellotech Provider of technology to convert waste and non-food biomass to biochemicals | $31M | 71 mo ago | 27 27 → 17 (-37%) · sector median +20% | 2008 | David Sudolsky President & CEO | 266 patents Patents concentrated in chemistry & materials | — |
| 19 | Common Energy Clean energy solutions for businesses, non-profits, and consumers | $16M | 31 mo ago | 33 33 → 77 (+133%) · sector median +20% | 2017 | Christian Von Hassell CEO & Director | — | — |
| 20 | Relevate Power Provider of water management services | $15M | 24 mo ago | — | 2023 | Michael Prendergast Co-Founder | — | — |
| 21 | LIS Technologies Provider of laser isotope separation technologies optimized for uranium (HALEU) power generation 32Talent top 28%Funding top 38%Growth top 40%News bottom 47% All 8 signals ▾Talenttop 28% Fundingtop 38% Growthtop 40% Newsbottom 47% Techbottom 42% Moatbottom 38% Globalbottom 29% Marketbottom 22% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Funding: Raised $13.5M across 7 rounds · 7 rounds over 3 yrs (2.3/yr) rank vs industry peers · Fliar Intelligence Index 32/100 | $14M | 3 mo ago | — | 2023 | Jay Yu Co-Founder | — | 1 job opening |
| 22 | Level Solar Offers solar installation services at zero upfront cost | $13M | 118 mo ago | 51 | 2013 | — | — | — |
| 23 | Nagare Membranes Provider of drinking water services | $10M | 138 mo ago | — | 2013 | Rob McGinnis Founder & CEO | 11 patents Advanced asymmetric hollow‑fiber and nanotube membranes for heat exchange and forward‑osmosis processes | — |
| 24 | Scinor Manufacturer of fibre membranes for water treatment services | $10M | 159 mo ago | — | 2009 | Thomas Poschmann CEO | — | — |
| 25 | Everstar AI Developer of artificial intelligence to accelerate nuclear power deployment | $8M | 16 mo ago | — | 2024 | Kevin Kong Founder & CEO | — | — |
| 26 | TechnoSpin Everywhere The Wind Blows | $8M | 217 mo ago | — | 2004 | Maxim Rakov CEO | — | — |
| 27 | Enernet Global Developer of wind energy projects | $7M | 63 mo ago | 23 | 2015 | — | 2 patents Microgrid predictive control systems and functional-programming-based data buffer management software | — |
| 28 | Standard Carbon Home | Standard Carbon | $6M | 14 mo ago | 21 | 2020 | — | — | — |
| 29 | Urban Green Energy Distributed solar and wind energy producers | $6M | 146 mo ago | 29 | 2008 | Nick Blitterswyk Founder & CEO | — | — |
| 30 | ContourGlobal Global independent power producer driving sustainable energy solutions and reliable partnerships | $6M | 69 mo ago | 108 | 2005 | Joseph Brandt Co-Founder & CEO | — | 1 internship · 1 expansion |
| 31 | Ash Improvement Technology Limited information available | $6M | 126 mo ago | 11 | 2009 | Wayne Fried Co-Founder | — | — |
| 32 | Aircela Manufacturer of fossil-free gasoline from air and renewable energy. | $6M | 40 mo ago | 18 | 2020 | Mia Dahlgren Co-Founder | 4 patents Patents concentrated in transport & manufacturing processes | — |
| 33 | BioHiTech Global Biological treatment solutions to manage food waste | $3M | 116 mo ago | 34 | 2008 | — | — | — |
| 34 | DPO Developer of solar and wind energy projects | $3M | 52 mo ago | 8 | 2020 | Andrew Webber Founder | — | — |
| 35 | Safari Energy Commercial turnkey solar solutions provider | $2M | 179 mo ago | 90 | 2008 | — | — | — |
| 36 | Sistine Solar Manufactures colored panels | $2M | 59 mo ago | 7 | 2012 | — | — | — |
| 37 | EXODYS ENERGY Developer of closed-loop and circular nuclear systems to recycle nuclear waste into clean energy | $2M | 24 mo ago | — | 2022 | Carl Perez CEO | — | 1 partnership |
| 38 | Cortex Fusion Systems Provider of fusion systems | $2M | 24 mo ago | 1 | 2021 | — | — | — |
| 39 | ENGIE Impact Offers systems planning, target development, and consulting services to corporations & governments | $858K | 44 mo ago | 2,500 | 1996 | — | — | — |
| 40 | Turner Construction Provider of green buildings construction services 29Moat top 39%Tech top 42%Market top 45%Product top 46% All 10 signals ▾Moattop 39% Techtop 42% Markettop 45% Producttop 46% Newsbottom 49% Growthbottom 48% Talentbottom 40% Globalbottom 30% Fundingbottom 29% Innovationbottom 24% Moat: Editorial + unicorn rating 6/10 · 10 curated direct competitors tracked Tech: 25 technologies across 5/8 capability areas · Cloud: Azure, Cloudflare rank vs industry peers · Fliar Intelligence Index 29/100 | $800K | 189 mo ago | 175 | 1997 | Peter Davoren CEO & President | — | 1 expansion |
| 41 | Mpowerd BioLite: Outdoor gear, power solutions, and lighting for adventures | $700K | 73 mo ago | 30 | 2012 | John Salzinger Founder | 66 patents Portable modular solar-powered lighting and rechargeable illumination devices | — |
| 42 | Mantra Energy Developer of zero carbon residential homes | $640K | 109 mo ago | — | 2007 | Larry Kristof Founder and Chief Executive Officer | — | — |
| 43 | SunLight General Capital Developer and operator of solar energy projects | $400K | 103 mo ago | 16 16 → 24 (+50%) · sector median +20% | 2009 | — | — | — |
| 44 | Solaire Generation Solar energy solutions: efficient, honest, reliable electrical services and solar installations | $210K | 193 mo ago | 23 | 2009 | — | 10 patents Photovoltaic power generation modules and integrated display/control systems for solar energy. | — |
| 45 | Terrenew Manufacturer of composts and agricultural waste fibers | $158K | 166 mo ago | — | 2005 | Thomas Bourne CEO | 6 patents Patents concentrated in transport & manufacturing processes | — |
| 46 | Flower Turbines Flower Turbines: Innovative small wind turbines for distributed energy generation | $66K | 13 mo ago | 15 | 2013 | Daniel Farb Founder & CEO | 47 patents Advanced fluid turbine generators, shaftless designs, and smart power electronics for renewable energy. | — |
| 47 | Con Edison Energy company | — | 14 mo ago | 260 | 1884 | — | — | — |
Top 12 Environment companies in New York City
#1
Series B · New York City, New York · founded 2014 · 21 employees$83Mraised▾
Provider of fully financed renewable energy solutions for commercial and industrial clients. They offer customized clean energy options, including long-term energy strategies. The company delivers renewable power through specialized expertise, ensuring compliance with regulatory requirements and environmental standards. They provide comprehensive packages inclusive of technologies and suppliers optimal for each business.
- Apr 2026PE$40M
- Aug 2025Series B$40M
- Jul 2019Conventional Debt$3M
#2
Acquired · New York City, New York · founded 2019 · 32 employees$800Mraised▾
Provider of platform for investors
- Sep 2025Conventional Debt$800M
#3
Series A · New York City, New York · founded 2023$13.5Mraised▾
Provider of laser isotope separation technologies optimized for uranium (HALEU) power generation. It developed a patented laser technology that uses infrared wavelengths to selectively excite molecules.
- Mar 2026Series A$7.1M
- Jan 2026Series A$17M
- May 2025Series A$12M
- Dec 2024Series A$22M
#4
Late Stage · New York City, New York · founded 2014 · 69 employees$132Mraised▾
Onyx is a renewable energy development company that is focused on greenfield development in the North American solar and wind sectors. The company is a full-service firm with capabilities including development and construction through financing and operations, Onyx is able to provide solutions to large energy users and landowners in North America.
- Jun 2025Conventional Debt$260M
- May 2018PE$79M
- 2017PE$53M
- Oct 2014PE—
#5
Series E · New York City, New York · founded 2011 · 600 employees$280.2Mraised▾
Provider of solar panel energy solution for enterprises
- May 2024Venture Debt$150M
- Aug 2023Conventional Debt$12M
- Jan 2022Series E$100M
- Apr 2021Series D$27M
#6
Series B · New York City, New York · founded 2004 · 18 employees$33.3Mraised▾
Bright Power does energy audit for buildings, designs energy efficiency improvements and managed them. Their clients include building owners, management companies, developers, contractors, architects, governments and utility companies. Their services include energy benchmarking, energy audits, financial and technical feasibility analysis, grant/rebate assistance, green building (LEED) consulting and trainings for professionals and building managers.
- Sep 2024Series B$2.9M
- Jul 2023Series B$4.1M
- Aug 2021Series B$24.5M
- Dec 2014Conventional Debt$10M
#7
Series D · New York City, New York · founded 2022 · 280 employees$325Mraised▾
Provider of solar energy services
- Apr 2024Series D$325M
#8
Series A · New York City, New York · founded 2020 · 21 employees$6.4Mraised▾
Standard Carbon technology provides a sustainable solution to climate change by converting CO2 emissions to energy that can be stored and deployed economically anywhere worldwide using the current utility infrastructure. Turn carbon pollution into clean, profitable energy. Standardcarbon is the key to a trillion dollar clean energy economy of the future.
- Apr 2025Series A$6.4M
#9
Seed · New York City, New York · founded 2024$8Mraised▾
Developer of artificial intelligence to accelerate nuclear power deployment. The company focuses on solving nuclear challenges, modernizing licensing, and advancing nuclear competitiveness. It offers AI-native workflows built by nuclear and AI experts. The company aims to enhance safety and streamline the nuclear value chain.
- Feb 2025Seed$4M
- Nov 2024Seed$4M
#10
Acquired · New York City, New York · founded 2014$3.7Braised▾
Leading renewable energy provider with wind, solar, and storage assets across North America. The company focuses on providing innovative renewable energy solutions, managing a diverse portfolio of renewable energy facilities. They are a significant producer of renewable energy certificates, helping entities meet their renewable energy goals and reduce their carbon footprint. The company operates utility-scale wind and solar facilities, as well as distributed generation solar assets. They are also developing battery energy storage systems to ensure grid reliability and flexibility. The company is committed to powering the renewable energy transition through operational excellence and business growth opportunities. They offer wholesale and retail solutions, and are involved in renewable development projects. The company is dedicated to community commitment and environmental, social, and governance (ESG) principles.
- Oct 2019Conventional Debt$700M
- Jun 2018Post IPO$650M
- Feb 2018Conventional Debt$400M
- Jun 2015PE$335M
#11
Acquired · New York City, New York · founded 2008 · 64 employees$120.2Mraised▾
UGE offers solar systems, vertical axis wind turbines, and wind and solar hybrid systems for businesses and provides design, installation, and financing services. The company has deployed its products across the globe. The company also offers outdoor lightings which can be backed by solar power.
- Dec 2023Conventional Debt$546K
- Nov 2023Post IPO$74M
- Nov 2023Post IPO$1.1M
- Jul 2022Post IPO$25M
#12
Acquired · New York City, New York · founded 2007 · 312 employees$55Mraised▾
Terra-Gen is a renewable energy company focused on developing, owning, and operating utility-scale wind, solar and geothermal generation. Terra-Gen owns 1051 MW of wind, geothermal and solar generating capacity in operation across 25 renewable power facilities throughout the Western United States with a focus on the California Marketplace. Terra-Gen's subsidiaries are responsible for the operation and maintenance of over 2,000 MWs of renewable projects. The company primarily sells power to utilities and power cooperatives under long-term power purchase agreements.
- Mar 2024Series A—
- Aug 2020PE—
- Apr 2018Conventional Debt$244M
- May 2011PE$55M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment 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