Best Environment Companies in Texas, United States
The 596 best Environment companies in Texas, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Sunnova.
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 Texas
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Sunnova A residential solar and energy storage provider 72Tech top 21%Product top 22%Funding top 23%Market top 35% All 11 signals ▾Techtop 21% Producttop 22% Fundingtop 23% Markettop 35% Growthtop 37% Moattop 39% Fin. healthtop 45% Newstop 49% Talentbottom 49% Globalbottom 43% Customersbottom 35% Tech: 76 technologies across 5/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Product: 2 published apps (81.2k installs) · Company stage: Public rank vs industry peers · Fliar Intelligence Index 72/100 | $1.5B | 61 mo ago | 644 | John Berger Founder & CEO | SitecoreApple iCloud MailSalesforce+39 | — | — |
| 2 | WaterBridge Provider of waste disposal and recycling services | $1.1B | 83 mo ago | 124 | Stephen Johnson Founder | BugHerdApple iCloud MailQ4+16 | — | — |
| 3 | Goodnight Midstream Provider of integrated saltwater management services 57Innovation top 20%Funding top 24%Product top 26%Market top 48% All 9 signals ▾Innovationtop 20% Fundingtop 24% Producttop 26% Markettop 48% Talentbottom 49% Techbottom 48% Globalbottom 32% Growthbottom 28% Newsbottom 22% Innovation: 4 product lines Funding: Raised $580M across 4 rounds · 4 rounds over 10 yrs (0.4/yr) rank vs industry peers · Fliar Intelligence Index 57/100 | $580M | 47 mo ago | 142 142 → 86 (-39%) | Patrick Walker Co-Founder | WeeblyApple iCloud MailMySQL+19 | — | 7 job openings |
| 4 | Leeward Renewable Energy Wind power plant developer and operator 60Funding top 28%Talent top 39%Market top 40%Partners top 43% All 9 signals ▾Fundingtop 28% Talenttop 39% Markettop 40% Partnerstop 43% Newstop 47% Moattop 48% Growthtop 50% Techbottom 41% Globalbottom 36% Funding: Raised $550M across 2 rounds · 2 rounds over 5 yrs (0.4/yr) Talent: Analyst team rating 5/5 · 1 named leader on record rank vs industry peers · Fliar Intelligence Index 60/100 | $550M | 42 mo ago | 254 | Jason Allen Chief Executive Officer | — | — | 1 award |
| 5 | Waste Connections Solid waste collection, transfer, disposal and recycling services | $500M | 91 mo ago | 14,346 | Ron Mittelstaedt CEO | WebflowSentryApple iCloud Mail+19 | 2 patents Leachate treatment technologies for landfill waste management | 1 award |
| 6 | Solaris Provider of water management services | $350M | 83 mo ago | — | William Zartler Founder & CEO | — | 4 patents Patents concentrated in construction | — |
| 7 | SolarBridge Manufactures microinverters | $326M | 147 mo ago | 79 | — | WordPressMySQLPHP+17 | 100 patents Advanced inverter control, power‑line communication, and ripple reduction for photovoltaic systems | — |
| 8 | Horizon Wind Energy Wind farm developer 48Funding top 42%Market top 47%Talent bottom 45%Global bottom 29% All 4 signals ▾Fundingtop 42% Markettop 47% Talentbottom 45% Globalbottom 29% Funding: Raised $318M across 2 rounds · 2 rounds over 17 yrs (0.1/yr) Market: 150 employees (top 36% of Energy) rank vs industry peers · Fliar Intelligence Index 48/100 | $318M | 197 mo ago | 150 | Antonio Martins Da Costa CEO | — | — | — |
| 9 | Treaty Oak Clean Energy Developer of utility scale solar projects 65Funding top 23%Talent bottom 49%Global bottom 48% All 3 signals ▾Fundingtop 23% Talentbottom 49% Globalbottom 48% Funding: Raised $300M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) Talent: 1 named leader on record · 1 C-suite/founder profile curated rank vs industry peers · Fliar Intelligence Index 65/100 | $300M | 10 mo ago | 20 | Chris Elrod Chief Executive Officer | — | — | — |
| 10 | Ecological Service Partners Provider of environmental and ecological services | $250M | 103 mo ago | — | Jud Hill Co-Founder | — | — | — |
| 11 | ENGIE Provider of integrated renewable and low-carbon energy solutions | $155M | 89 mo ago | 3,101 3,101 → 3,266 (+5%) | Frank Demaille CEO | WordPressMySQLPHP+20 | — | 1 internship · 2 partnerships |
| 12 | Select Water Provider of waste water treatment services | $139M | 103 mo ago | 3,026 | John Schmitz CEO | WordPress Site EditorWordPressSentry+29 | — | — |
| 13 | Aspen Power Provider of renewable energy asset development, construction, and operation services 48Funding top 25%News top 40%AI top 45%Tech top 49% All 8 signals ▾Fundingtop 25% Newstop 40% AItop 45% Techtop 49% Talentbottom 48% Marketbottom 39% Globalbottom 38% Moatbottom 38% Funding: Raised $120M across 4 rounds · 4 rounds over 4 yrs (1.0/yr) News: 3 BI events in 12 mo (of 9 tracked, 4 types) · Top themes: Leadership, Capital raise rank vs industry peers · Fliar Intelligence Index 48/100 | $120M | 5 mo ago | 66 | David Berv Co-Founder & Senior Advisor | WordPress Block EditorWordPressMySQL+20 | — | 1 internship |
| 14 | Industrial Sun Developer of solar energy projects | $120M | 39 mo ago | 45 | — | — | — | — |
| 15 | H2O Midstream Provider of infrastructure services for recycling waste water in oil industry | $100M | 119 mo ago | 31 | — | — | — | — |
| 16 | Breakwater Energy Provider of water management and supply chain services | $100M | 35 mo ago | 77 | — | — | — | — |
| 17 | Verde Clean Fuels Developer of low-carbon gasoline production technologies using natural gas and biomass feedstocks. 40Growth top 38%Funding top 41%Talent top 42%News top 45% All 8 signals ▾Growthtop 38% Fundingtop 41% Talenttop 42% Newstop 45% Globalbottom 37% Marketbottom 33% Partnersbottom 32% Techbottom 28% Growth: Fresh capital in last 24 mo Funding: Raised $70.0M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 40/100 | $70M | 17 mo ago | — | Ernest Miller Chief Executive Officer | Windows ServerMicrosoft ASP.NETGSAP+7 | — | — |
| 18 | Liquid Environmental Solutions Provider of diversified wastewater management services | $68M | 143 mo ago | 737 737 → 483 (-34%) | Alan Viterbi CEO | ExpressionEngineApple iCloud MailMicrosoft 365+16 | — | — |
| 19 | Standard Renewable Offers solar products | $57M | 205 mo ago | 55 | John Spirtos CEO | — | — | — |
| 20 | TechTurn Provider of modules | $50M | 238 mo ago | 100 | — | — | — | — |
| 21 | Pecan Street Provider of solar educational, training, and water management services 29Funding top 46%Tech top 48%Market bottom 36%Global bottom 25% All 4 signals ▾Fundingtop 46% Techtop 48% Marketbottom 36% Globalbottom 25% Funding: Raised $43.1M across 3 rounds · 3 rounds over 16 yrs (0.2/yr) Tech: 26 technologies across 4/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 29/100 | $43M | 12 mo ago | 44 | — | WordPress Block EditorWordPressMySQL+22 | — | — |
| 22 | Armada Water Treatment of industrial waste water | $36M | 138 mo ago | 51 | mitch burroughs Co-Founder | — | — | — |
| 23 | Aalo Atomics Developer of nuclear energy projects 45Growth top 30%Funding top 32%News top 38%Talent top 38% All 8 signals ▾Growthtop 30% Fundingtop 32% Newstop 38% Talenttop 38% Techbottom 42% Globalbottom 38% Moatbottom 38% Marketbottom 20% Growth: Fresh capital in last 24 mo Funding: Raised $33.3M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 45/100 | $33M | 9 mo ago | 3 | Yasir Arafat Co-Founder & CTO | WebflowMicrosoft 365jQuery+9 | — | — |
| 24 | Wentworth Energy Provider of gas and electricity options, including renewable energy possibilities 55Funding top 30%Global bottom 25% All 2 signals ▾Fundingtop 30% Globalbottom 25% Funding: Raised $32.4M across 1 rounds · Stage: Public Global: Single-market focus (United States) rank vs industry peers · Fliar Intelligence Index 55/100 | $32M | — | 3 | — | — | — | — |
| 25 | Accelergen Developer of renewable power generation and solar energy projects 5Funding bottom 48%Global bottom 29%News bottom 27%Market bottom 12% All 4 signals ▾Fundingbottom 48% Globalbottom 29% Newsbottom 27% Marketbottom 12% Funding: Raised $30.0M across 2 rounds · 2 rounds over 3 yrs (0.7/yr) Global: Single-market focus (United States) rank vs industry peers · Fliar Intelligence Index 5/100 | $30M | 17 mo ago | 4 | — | — | — | — |
| 26 | Southwaste Provider of waste recycling and water treatment services | $30M | 182 mo ago | 290 | Charles Wilcox CEO & COO | Cart FunctionalityWordPressMySQL+26 | — | — |
| 27 | WCA Waste Provider of waste management services | $27M | 183 mo ago | 1,500 | — | — | — | — |
| 28 | Omni Water Solutions Provider of water treatment services | $26M | 137 mo ago | 25 | — | — | — | — |
| 29 | SunGas Renewables Provider of water management services | $23M | 25 mo ago | 19 | Robert Rigdon Chief Executive Officer | WordPressMySQLPHP+25 | 37 patents Water‑rich gasification systems for renewable hydrogen and methanol production | — |
| 30 | ZEEP Provider of organic waste management services | $22M | 97 mo ago | 16 | Barry Williamson Co-Founder | WordPressMySQLPHP+16 | — | — |
| 31 | Momentum Technologies Technology solution to recover rare earth elements from e-waste | $20M | 54 mo ago | 9 | — | WordPress Block EditorWordPress Site EditorWordPress+22 | 16 patents ML-driven acoustic monitoring and efficiency optimization for hydraulic fracturing operations | — |
| 32 | Uranium Energy Uranium mining company 60Product top 19%Funding top 27%Growth top 27%Innovation top 30% All 10 signals ▾Producttop 19% Fundingtop 27% Growthtop 27% Innovationtop 30% Newstop 36% Fin. healthtop 45% Techbottom 46% Marketbottom 40% Moatbottom 38% Globalbottom 32% Product: 3 distinct product lines · Company stage: Public Funding: Raised $20.0M across 49 rounds · 49 rounds over 20 yrs (2.5/yr) rank vs industry peers · Fliar Intelligence Index 60/100 | $20M | 21 mo ago | 83 83 → 113 (+36%) | — | Apple iCloud MailMicrosoft 365Salesforce+19 | — | — |
| 33 | Entech Solar Solar energy solutions for homes and businesses, specializing in daylighting | $19M | 188 mo ago | — | David Gelbaum CEO | — | 25 patents Passive solar daylighting and concentrated photovoltaic integration via parabolic‑reflector skylight domes | — |
| 34 | Pegasus Solar Rail-less solar mounting structures | $17M | 95 mo ago | 25 | — | WordPressMySQLPHP+34 | 156 patents Solar photovoltaic mounting hardware: fasteners, brackets, clamps, and rail installation systems. | 1 launch |
| 35 | FTC Solar Developer of solar energy power projects 69Patents top 23%Fin. health top 24%Product top 26%Innovation top 38% All 12 signals ▾Patentstop 23% Fin. healthtop 24% Producttop 26% Innovationtop 38% Fundingtop 39% Growthtop 44% Techtop 45% Newstop 49% Marketbottom 47% Moatbottom 47% Globalbottom 44% Partnersbottom 32% Patents: 95 patents matched (strict assignee match) · 70 filings since 2022 vs 23 in 2017-21 Fin. health: Revenue ~$99.7M (FY2024) · Net margin 188.8% rank vs industry peers · Fliar Intelligence Index 69/100 | $15M | 18 mo ago | 221 221 → 296 (+34%) | — | DrupalApple iCloud MailMicrosoft 365+25 | 95 patents Patents concentrated in electrical & electronics | 1 partnership |
| 36 | Proton Green Provider of carbon capture utilization and storage services | $12M | 34 mo ago | — | Steven Looper CEO | — | — | — |
| 37 | Element Markets Provider of solutions for carbon and emission credits | $12M | 61 mo ago | — | Randall Lack Co-Founder | — | — | — |
| 38 | Encino Environmental Services Provider of environmental testing and emissions monitoring services. | $11M | 17 mo ago | 33 | — | WordPressZohoSalesforce+30 | — | 1 launch |
| 39 | Texas Green Energy Solar energy solutions for commercial, industrial, and residential needs | $9M | 34 mo ago | — | Adam Burke Owner | — | — | — |
| 40 | Aeromine Technologies Developer of wind energy projects 22Talent top 28%Funding top 50%Tech bottom 47%Growth bottom 35% All 6 signals ▾Talenttop 28% Fundingtop 50% Techbottom 47% Growthbottom 35% Globalbottom 29% Marketbottom 21% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Funding: Raised $9.0M across 1 rounds · 1 rounds over 3 yrs (0.3/yr) rank vs industry peers · Fliar Intelligence Index 22/100 | $9M | 24 mo ago | 8 | David Asarnow Co-Founder & CEO | HubSpot CMS HubFacebook LoginLinkedin Sign-in+17 | — | — |
| 41 | Advantek Waste Management Services Provider of oilfield waste management services | $8M | 33 mo ago | 57 | Ahmed Abou-Sayed Founder | WordPressMySQLPHP+17 | 7 patents Mitigating methane, monitoring GHGs, CO2 injection, and slurry disposal in fractured subsurface formations. | — |
| 42 | Drylet Provider for water and wastewater treatment applications | $7M | 50 mo ago | 11 | Trevor Turbidy President and CEO | Webflowcore-jsjQuery+18 | 33 patents Drylet enhances agricultural biotech via dry delivery formulations, silica bioreactors, and wastewater treatment. | 2 partnerships |
| 43 | KMX Technologies Provider of water treatment services 55Growth top 12%Funding top 36%Fin. health top 49%Tech bottom 48% All 7 signals ▾Growthtop 12% Fundingtop 36% Fin. healthtop 49% Techbottom 48% Globalbottom 37% Marketbottom 24% Newsbottom 21% Growth: Revenue +2820% YoY · Fresh capital in last 24 mo Funding: Raised $7.0M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) rank vs industry peers · Fliar Intelligence Index 55/100 | $7M | 7 mo ago | 18 | — | WordPressMySQLPHP+20 | — | 2 expansions |
| 44 | Blackbuck Resources Provider of water management services 14Talent top 34%Funding bottom 49%Global bottom 32%Market bottom 15% All 4 signals ▾Talenttop 34% Fundingbottom 49% Globalbottom 32% Marketbottom 15% Talent: Analyst team rating 4/5 · 2 named leaders on record Funding: Raised $6.0M across 2 rounds · 2 rounds over 8 yrs (0.2/yr) rank vs industry peers · Fliar Intelligence Index 14/100 | $6M | 47 mo ago | 17 | Samuel Oliver Chief Executive Officer | — | — | — |
| 45 | WATTER 55Growth top 35%Tech top 46%Funding bottom 49%Talent bottom 45% All 6 signals ▾Growthtop 35% Techtop 46% Fundingbottom 49% Talentbottom 45% Productbottom 40% Globalbottom 25% Growth: Fresh capital in last 24 mo Tech: 23 technologies across 4/8 capability areas · Cloud: Amazon Web Services, Cloudflare rank vs industry peers · Fliar Intelligence Index 55/100 | $5M | 15 mo ago | — | James Hancock CEO | WebflowGSAPReact+14 | — | 1 launch · 3 awards |
| 46 | Atonometrics Solar measurement systems leader, enhancing PV performance with innovative sensors | $5M | 22 mo ago | 11 | William Stueve CEO & President | WordPressMySQLPHP+27 | 33 patents Detecting and quantifying solar panel soiling via optical and microscopic imaging. | — |
| 47 | ZTRIC Renewable energy solutions provider: solar installations, energy storage, and O&M services | $2M | 26 mo ago | — | Jayant Mhetar Co-Founder & CEO | WordPressMySQLPHP+23 | — | 6 job openings |
| 48 | Hover Energy Renewable energy solutions provider specializing in wind-powered microgrids and climate technologies | $2M | 34 mo ago | 8 | — | WordPressMySQLPHP+23 | — | 2 partnerships |
| 49 | Ecocyclic Provider of waste and waste water management services | $2M | 23 mo ago | — | Naeem Sadiq Co-Founder & CEO | — | — | — |
| 50 | Water Provider of water management services | $1M | 23 mo ago | 16 | Jordan Kramer Co-Founder and Chief Commercial Officer | WordPressMySQLMariaDB+28 | 101 patents Advanced ion removal technologies for water purification and desalination | — |
Top 12 Environment companies in Texas
#1
Acquired · Dallas, Texas · founded 2020 · 66 employees$120Mraised▾
Provider of renewable energy asset development, construction, and operation services. It partners with businesses and communities to develop, construct, and operate renewable energy assets and storage. It specializes in project finance, solar development, and operations and maintenance and project optimization. It offers solutions for community solar, commercial and industrial solar, public sector, multifamily, and landowners, utilizing technologies like photovoltaics, battery storage, EV charging, and artificial intelligence.
- Jan 2026Conventional Debt$200M
- Feb 2025Series D—
- Jan 2024Conventional Debt$241M
- Jul 2023Conventional Debt$90M
#2
Acquired · Austin, Texas · founded 2021 · 20 employees$300Mraised▾
Developer of utility scale solar projects
- Aug 2025Conventional Debt$300M
#3
Series B · Austin, Texas · founded 2023 · 3 employees$33.3Mraised▾
Developer of nuclear energy projects
- Aug 2025Series B$100M
- Aug 2024Series A$27M
- 2023Seed$6.3M
#4
Funding Raised · Austin, Texas · founded 2010 · 44 employees$43.1Mraised▾
Provider of solar educational, training, and water management services
- May 2025Grant (prize money)$8M
- Feb 2011Grant (prize money)$24.7M
- Feb 2010Grant (prize money)$10.4M
#5
Series A · Austin, Texas · founded 2020 · 18 employees$7Mraised▾
Provider of water treatment services
- Oct 2025Series A$3M
- Aug 2024Series A$6.9M
- Nov 2023Seed$250K
- Sep 2023Seed$350K
#6
Public · Houston, Texas · founded 2007$70Mraised▾
{}
- Dec 2024Post IPO$50M
- Feb 2024Post IPO$20M
#7
Series B · Austin, Texas · founded 2020 · 4 employees$30Mraised▾
Developer of renewable power generation and solar energy projects
- Dec 2024Conventional Debt$20M
- May 2023Series B$30M
#8
Public · Corpus Christi, Texas · founded 2003 · 83 employees$20Mraised▾
Uranium Energy is a Uranium mining and exploration company. The company claims to be controlling one of the largest databases of historic uranium exploration and development in the country.
- Sep 2024Post IPO$104K
- Jan 2024Post IPO—
- Dec 2020Post IPO$455K
- Dec 2019Post IPO$420K
#9
Acquired · Houston, Texas · founded 2010 · 33 employees$11Mraised▾
{}
- Jan 2025Grant (prize money)$5M
- Jan 2025Grant (prize money)$6M
- Jan 2022PE—
#10
Public · Austin, Texas · founded 2017 · 221 employees$15Mraised▾
Developer of solar energy power projects
- Dec 2024Post IPO$15M
#11
Seed · Dallas, Texas · founded 2023$5Mraised▾
- Mar 2025Seed$5M
#12
Public · Houston, Texas · founded 2010 · 644 employees$1.5Braised▾
A residential solar and energy storage provider. The company facilitates home energy production through solar panel installation and offers ongoing support. Services include system monitoring, maintenance, and energy management solutions.
- May 2021Post IPO—
- May 2020Post IPO$185M
- Jan 2020Post IPO$55M
- Nov 2018Series G$176M
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 in Texas is moving
A read on the academic research around Environmental Monitoring in Texas — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 87 papers.
Texas A&M and UT Austin lead cautiously optimistic research (mean stance 0.23) on air quality monitoring, health impacts, and oil spill detection, with output surging post-2020.
- Texas A&M University18
- The University of Texas at Austin12
- University of North Texas10
- The University of Texas Rio Grande Valley8
- The University of Texas at Arlington6
- Environmental engineering3
- Wireless2
- Wireless sensor network2
- Real-time computing2
- Air quality index2
- Water quality1→3
- Pollution1→3