Radar · Environment Tech in California
Best Environment Tech Companies in California, United States
The 1219 best Environment Tech companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: View.
By Rohit KhannaTrends & Stories
1219companies tracked
$25.1Bdisclosed funding
8unicorns
564have raised
FLIAR INTELLIGENCE · ENVIRONMENT TECH × CALIFORNIA
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.
83companies analysed
90%cloud-native stacks
2025funding peak (by rounds)
9unicorns
2016median founding year
908kcombined LinkedIn audience
25%of audience held by top 3
3companies hiring publicly (12 mo)
Ranked: Best Environment Tech companies in California
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Redaptive 🦄 Provider of fully-funded energy efficiency and sustainability solutions. 60Funding top 16%Moat top 26%Product top 30%Market top 37% All 9 signals ▾Fundingtop 16% Moattop 26% Producttop 30% Markettop 37% Talenttop 38% Globaltop 48% Techtop 49% Growthbottom 40% Newsbottom 21% Funding: Raised $726M across 11 rounds · 11 rounds over 11 yrs (1.0/yr) Moat: Editorial + unicorn rating 9/10 · Unicorn rank vs industry peers · Fliar Intelligence Index 60/100 | $726M | 13 mo ago | 326 | Arvin Vohra Co-Founder & CEO | WordPressMySQLPHP+27 | — | — |
| 2 | Mainspring Energy Developer of onsite linear power generators 82Patents top 16%Funding top 18%Innovation top 21%Moat top 24% All 10 signals ▾Patentstop 16% Fundingtop 18% Innovationtop 21% Moattop 24% Talenttop 28% Growthtop 32% Techtop 36% Markettop 45% Globalbottom 47% Newsbottom 18% Patents: 166 patents matched (strict assignee match) · 113 filings since 2022 vs 52 in 2017-21 Funding: Raised $518M across 5 rounds · 5 rounds over 9 yrs (0.6/yr) rank vs industry peers · Fliar Intelligence Index 82/100 | $518M | 14 mo ago | 114 | Matt Svrcek Co-Founder & CTO | Craft CMSBugHerdApple iCloud Mail+20 | 166 patents Patents concentrated in mechanical & energy engineering | — |
| 3 | Fervo Energy Developer of next-generation geothermal projects delivering carbon-free energy 57Funding top 8%Talent top 34%News top 39%Partners top 45% All 9 signals ▾Fundingtop 8% Talenttop 34% Newstop 39% Partnerstop 45% Growthtop 47% Techtop 48% Moattop 48% Marketbottom 44% Globalbottom 39% Funding: Raised $420M across 12 rounds · 12 rounds over 5 yrs (2.4/yr) Talent: Analyst team rating 4/5 · 2 named leaders on record rank vs industry peers · Fliar Intelligence Index 57/100 | $420M | 3 mo ago | 49 | Jack Norbeck Co-Founder and CTO | WordPressApple iCloud MailMicrosoft 365+25 | — | 1 launch · 3 partnerships |
| 4 | Twelve Developer of carbon transformation technology producing fuels and feedstock products 78Funding top 16%Patents top 23%Moat top 26%Talent top 28% All 10 signals ▾Fundingtop 16% Patentstop 23% Moattop 26% Talenttop 28% Innovationtop 29% Growthtop 38% Markettop 41% Techtop 41% Globalbottom 49% Newsbottom 24% Funding: Raised $387M across 19 rounds · 19 rounds over 10 yrs (1.9/yr) Patents: 301 patents matched (strict assignee match) · 127 filings since 2022 vs 131 in 2017-21 rank vs industry peers · Fliar Intelligence Index 78/100 | $387M | 13 mo ago | 232 232 → 267 (+15%) | Nicholas Flanders Co-Founder & CEO | Wix eCommerceWixSentry+15 | 301 patents Patents concentrated in health & consumer products | 2 launchs |
| 5 | SPAN Smart energy management technology platform that modernizes residential electrical systems 82Funding top 13%Innovation top 18%Patents top 20%Growth top 28% All 11 signals ▾Fundingtop 13% Innovationtop 18% Patentstop 20% Growthtop 28% Moattop 28% Producttop 35% Talenttop 38% Techtop 42% Customerstop 42% Markettop 43% Globalbottom 42% Funding: Raised $231M across 10 rounds · 10 rounds over 8 yrs (1.2/yr) Innovation: 78 patents (top 21% of patent-holders) · 64 filings since 2022 vs 14 in 2017-21 rank vs industry peers · Fliar Intelligence Index 82/100 | $231M | 5 mo ago | 220 | Jireh Seow Co-Founder | WebflowApple iCloud MailGoogle Workspace+22 | 78 patents Smart electrical panel and load management systems for residential/commercial energy control | 1 job opening |
| 6 | Smart Wires Provider of technology to enhance electric grid capacity and flexibility 72Funding top 19%Patents top 21%Innovation top 25%Moat top 26% All 9 signals ▾Fundingtop 19% Patentstop 21% Innovationtop 25% Moattop 26% Growthtop 35% Techtop 41% Marketbottom 49% Globalbottom 38% Newsbottom 19% Funding: Raised $215M across 12 rounds · 12 rounds over 14 yrs (0.9/yr) Patents: 232 patents matched (strict assignee match) · 104 filings since 2022 vs 123 in 2017-21 rank vs industry peers · Fliar Intelligence Index 72/100 | $215M | 16 mo ago | 155 | — | WordPressMySQLPHP+36 | 232 patents High‑voltage transmission line FACTS devices for dynamic impedance injection and power flow control | — |
| 7 | Frore Systems Developer of thermal management solutions for data centers and electronic devices 72Innovation top 16%Patents top 17%Funding top 18%Moat top 33% All 10 signals ▾Innovationtop 16% Patentstop 17% Fundingtop 18% Moattop 33% Newstop 34% Growthtop 35% Talenttop 38% Marketbottom 48% Techbottom 42% Globalbottom 40% Innovation: 194 patents (top 16% of patent-holders) · 163 filings since 2022 vs 31 in 2017-21 Patents: 194 patents matched (strict assignee match) · 163 filings since 2022 vs 31 in 2017-21 rank vs industry peers · Fliar Intelligence Index 72/100 | $190M | 3 mo ago | 75 | Suryaprakash Ganti Co-Founder & CTO | WebflowVimeoreCAPTCHA+12 | 194 patents MEMS-enabled active cooling and fluidic actuation for LED and waterproof electronic systems | — |
| 8 | Saildrone Developer of autonomous unmanned surface vehicle 55Funding top 23%Moat top 31%Growth top 35%Tech top 42% All 10 signals ▾Fundingtop 23% Moattop 31% Growthtop 35% Techtop 42% Markettop 47% Talentbottom 49% Patentsbottom 45% Globalbottom 43% Innovationbottom 37% Newsbottom 22% Funding: Raised $190M across 4 rounds · 4 rounds over 10 yrs (0.4/yr) Moat: Editorial + unicorn rating 8/10 · IP moat: 18 patents rank vs industry peers · Fliar Intelligence Index 55/100 | $190M | 13 mo ago | 250 | Richard Jenkins Founder & CEO | WebflowSalesforceGSAP+17 | 18 patents Autonomous unmanned surface vehicles with flexible sensor mounts and square-wing sail propulsion. | 2 job openings · 1 launch |
| 9 | Caban Cloud based energy storage solutions 48Funding top 24%Moat top 36%Tech top 37%Talent bottom 49% All 7 signals ▾Fundingtop 24% Moattop 36% Techtop 37% Talentbottom 49% Growthbottom 48% Marketbottom 45% Globalbottom 32% Funding: Raised $176M across 4 rounds · 4 rounds over 7 yrs (0.6/yr) Moat: Editorial + unicorn rating 6/10 · Soonicorn rank vs industry peers · Fliar Intelligence Index 48/100 | $176M | 15 mo ago | 54 | Alexandra Castillo Founder and CEO | WebflowVimeoHubSpot+15 | — | — |
| 10 | Watershed 🦄 Provider of platform for enterprise sustainability programs, measurement, reporting, and action 78Funding top 18%Growth top 24%Moat top 25%Product top 28% All 11 signals ▾Fundingtop 18% Growthtop 24% Moattop 25% Producttop 28% Talenttop 28% Techtop 34% Newstop 38% Markettop 39% Patentstop 46% Innovationtop 47% Globaltop 49% Funding: Raised $170M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) Growth: Headcount 11 → 225 (+1945%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 78/100 | $170M | 5 mo ago | 225 | Christian Anderson Co-Founder | SanityTurbopackNode.js+25 | 31 patents Shear‑resistant geomembranes and waterproof modular bags for containment and protective applications | — |
| 11 | Autogrid IoT enabled distributed energy resource management solutions provider 64Growth top 13%Product top 26%Funding top 31%Fin. health top 33% All 11 signals ▾Growthtop 13% Producttop 26% Fundingtop 31% Fin. healthtop 33% Moattop 37% Markettop 43% Innovationbottom 43% Globalbottom 39% Techbottom 38% Patentsbottom 38% Newsbottom 27% Growth: Revenue +122% YoY · Fresh capital in last 24 mo Product: 10 distinct product lines · Company stage: Acquired rank vs industry peers · Fliar Intelligence Index 64/100 | $160M | 14 mo ago | 134 | — | — | 10 patents Demand response asset monitoring, control, and load forecasting for smart grid operations | — |
| 12 | Particle Developer of a prototype to production connectivity platform for IoT 55Tech top 23%Funding top 24%Customers top 24%News top 30% All 12 signals ▾Techtop 23% Fundingtop 24% Customerstop 24% Newstop 30% Moattop 35% Growthtop 40% Producttop 47% Talentbottom 49% Marketbottom 47% Patentsbottom 39% Globalbottom 39% Innovationbottom 35% Tech: 67 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Funding: Raised $130M across 8 rounds · 8 rounds over 12 yrs (0.7/yr) rank vs industry peers · Fliar Intelligence Index 55/100 | $130M | 15 mo ago | 109 109 → 110 (+1%) | Zach Supalla Co-Founder & CEO | Cart FunctionalityShopifyApple iCloud Mail+31 | 5 patents Pharma skin‑inflammation formulations, audio speaker hardware, VR headset devices, graphic‑design software. | 1 launch |
| 13 | BEEWISE Saving bees with AI and robotics to protect the global food supply 48Funding top 20%Moat top 28%Growth top 35%AI top 35% All 10 signals ▾Fundingtop 20% Moattop 28% Growthtop 35% AItop 35% Producttop 36% Talentbottom 49% Techbottom 44% Globalbottom 39% Marketbottom 23% Newsbottom 17% Funding: Raised $120M across 8 rounds · 8 rounds over 7 yrs (1.1/yr) Moat: Editorial + unicorn rating 8/10 · Soonicorn rank vs industry peers · Fliar Intelligence Index 48/100 | $120M | 12 mo ago | 6 | Saar Safra Co-Founder & CEO | HubSpot CMS HubSalesforceAmazon Web Services+17 | — | — |
| 14 | CarbonCapture Developer of modular direct air capture systems and carbon removal credits 45Funding top 22%Talent top 38%Moat top 39%Growth top 45% All 9 signals ▾Fundingtop 22% Talenttop 38% Moattop 39% Growthtop 45% Productbottom 45% Marketbottom 42% Globalbottom 39% Techbottom 38% Newsbottom 24% Funding: Raised $115M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 45/100 | $115M | 17 mo ago | 43 | Bill Gross Founder & Chairman | HubSpot CMS HubGSAPLenis+13 | — | — |
| 15 | Zeitview Provider of drone-based inspection software platform 76Funding top 18%Tech top 27%AI top 30%Moat top 31% All 9 signals ▾Fundingtop 18% Techtop 27% AItop 30% Moattop 31% Markettop 42% Growthtop 45% Talentbottom 49% Globalbottom 39% Newsbottom 32% Funding: Raised $114M across 8 rounds · 8 rounds over 11 yrs (0.7/yr) Tech: 44 technologies across 5/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 76/100 | $114M | 15 mo ago | 194 | Daniel Burton Co-Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+31 | — | — |
| 16 | Equilibrium Energy Provider of software solutions for portfolio management 60Funding top 22%Growth top 32%Talent top 38%Moat bottom 48% All 7 signals ▾Fundingtop 22% Growthtop 32% Talenttop 38% Moatbottom 48% Globalbottom 45% Marketbottom 42% Newsbottom 21% Funding: Raised $102M across 5 rounds · 5 rounds over 5 yrs (1.0/yr) Growth: Headcount 18 → 43 (+139%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 60/100 | $102M | 15 mo ago | 43 43 → 97 (+126%) | Kevin Clifford Co-Founder | — | — | 1 partnership |
| 17 | Molekule Manufacturer of air purification and humidification devices with filtration technology 50Funding top 28%Innovation top 29%Patents top 29%Product top 34% All 13 signals ▾Fundingtop 28% Innovationtop 29% Patentstop 29% Producttop 34% Moattop 38% Techtop 41% Growthtop 45% Customerstop 50% Talentbottom 49% Marketbottom 44% Globalbottom 40% Newsbottom 36% Fin. healthbottom 29% Funding: Raised $97.9M across 6 rounds · 6 rounds over 10 yrs (0.6/yr) Innovation: 77 patents (top 23% of patent-holders) · 39 filings since 2022 vs 38 in 2017-21 rank vs industry peers · Fliar Intelligence Index 50/100 | $98M | 13 mo ago | 92 92 → 81 (-12%) | Jason Dibona CEO | ShopifyApple iCloud MailMicrosoft 365+16 | 77 patents Indoor air purification using photocatalytic and UV-based filtration technologies | — |
| 18 | NanoH2O Developer of reverse osmosis membranes for water treatment 76Growth top 13%Funding top 24%Patents top 41%Market top 43% All 8 signals ▾Growthtop 13% Fundingtop 24% Patentstop 41% Markettop 43% Moattop 45% Innovationtop 46% Newsbottom 44% Globalbottom 42% Growth: Headcount 15 → 120 (+700%) across vintages · Fresh capital in last 24 mo Funding: Raised $89.9M across 8 rounds · 8 rounds over 19 yrs (0.4/yr) rank vs industry peers · Fliar Intelligence Index 76/100 | $90M | 6 mo ago | 120 | — | — | 95 patents Enhanced thin‑film composite membrane technology for high‑flux water desalination | — |
| 19 | Metronome Usage-based invoice management solutions for small businesses 60Funding top 24%Talent top 28%Moat top 31%Growth top 35% All 8 signals ▾Fundingtop 24% Talenttop 28% Moattop 31% Growthtop 35% Techtop 39% Marketbottom 41% Globalbottom 32% Newsbottom 20% Funding: Raised $78.0M across 4 rounds · 4 rounds over 4 yrs (1.0/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 60/100 | $78M | 15 mo ago | 50 | Ledion Bitincka Co-Founder and CTO | WebflowSentryApple iCloud Mail+30 | — | 1 partnership |
| 20 | GridCARE Provider of AI data center power solutions leveraging existing grid infrastructure 50Funding top 22%Talent top 38%AI top 45%Global bottom 48% All 6 signals ▾Fundingtop 22% Talenttop 38% AItop 45% Globalbottom 48% Techbottom 44% Marketbottom 35% Funding: Raised $77.5M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 50/100 | $78M | 1 mo ago | — | Ram Rajagopal Co-Founder | WebflowBugHerdPostHog+15 | — | 1 partnership |
| 21 | Terabase Developer of a web-based solar power plant optimization platform 57Funding top 22%Talent top 28%Moat top 39%Market top 46% All 9 signals ▾Fundingtop 22% Talenttop 28% Moattop 39% Markettop 46% Producttop 46% Techtop 47% Growthbottom 47% Globalbottom 38% Newsbottom 21% Funding: Raised $77.0M across 5 rounds · 5 rounds over 7 yrs (0.7/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 57/100 | $77M | 15 mo ago | 104 | Pierre Gousseland SVP of Product | WordPressApple iCloud MailMicrosoft 365+26 | — | 1 launch · 1 award |
| 22 | Noveon Provider of magnet recycling solutions 60Funding top 21%Patents top 22%Moat top 23%Partners top 31% All 11 signals ▾Fundingtop 21% Patentstop 22% Moattop 23% Partnerstop 31% Innovationtop 32% Growthtop 36% Newstop 36% Techtop 41% Talentbottom 49% Globalbottom 42% Marketbottom 37% Funding: Raised $75.0M across 4 rounds · 4 rounds over 4 yrs (1.0/yr) Patents: 220 patents matched (strict assignee match) · Latest publication 2021 rank vs industry peers · Fliar Intelligence Index 60/100 | $75M | 4 mo ago | 12 | Scott Dunn Co-Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+26 | 220 patents Waterborne polymer dispersions and coated polymer composites for textiles, cosmetics, and construction | — |
| 23 | NCX Provider of solutions to offset the carbon footprint 69Moat top 21%Funding top 22%Patents top 24%Tech top 25% All 9 signals ▾Moattop 21% Fundingtop 22% Patentstop 24% Techtop 25% Innovationtop 29% Talenttop 38% Growthtop 45% Marketbottom 46% Globalbottom 42% Moat: Editorial + unicorn rating 8/10 · IP moat: 80 patents Funding: Raised $74.4M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 69/100 | $74M | 13 mo ago | 50 | Zack Parisa Co-Founder & CEO | WordPress Block EditorWordPressMySQL+43 | 80 patents Vacuum electron devices—field emission cathodes and multi-beam X‑ray source technologies. | — |
| 24 | Mill Provider of the smart bin 53Tech top 25%Funding top 29%Moat top 31%Growth top 35% All 12 signals ▾Techtop 25% Fundingtop 29% Moattop 31% Growthtop 35% Talenttop 38% Producttop 46% Innovationtop 48% Marketbottom 42% Fin. healthbottom 40% Globalbottom 37% Partnersbottom 35% Customersbottom 15% Tech: 39 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Funding: Raised $70.0M across 1 rounds · 1 rounds over 3 yrs (0.3/yr) rank vs industry peers · Fliar Intelligence Index 53/100 | $70M | 6 mo ago | 150 | Matthew Rogers Co-Founder & CEO | Apple iCloud MailGoogle WorkspaceNode.js+25 | — | 2 partnerships |
| 25 | Radiant Nuclear 🦄 Developer of portable nuclear microreactors designed to replace diesel generators 55Funding top 26%Growth top 28%Moat top 37%Market bottom 49% All 8 signals ▾Fundingtop 26% Growthtop 28% Moattop 37% Marketbottom 49% Talentbottom 49% Techbottom 41% Globalbottom 32% Partnersbottom 32% Funding: Raised $55.0M across 7 rounds · 7 rounds over 6 yrs (1.2/yr) Growth: Web rank 10,000,000 → 5,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 55/100 | $55M | 6 mo ago | 34 | Doug Bernauer Founder & CEO | GridsomeApple iCloud MailGSAP+9 | — | — |
| 26 | Arbor Provider of solutions to convert organic waste into clean energy 21Funding top 32%News top 38%Moat top 42%Talent bottom 49% All 9 signals ▾Fundingtop 32% Newstop 38% Moattop 42% Talentbottom 49% Globalbottom 36% Techbottom 35% Innovationbottom 34% Patentsbottom 33% Marketbottom 32% Funding: Raised $55.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) News: 3 BI events in 12 mo (of 4 tracked, 2 types) · Top themes: Funding rank vs industry peers · Fliar Intelligence Index 21/100 | $55M | 7 mo ago | — | Brad Hartwig Co-Founder & CEO | WordPressMySQLPHP+19 | 12 patents 3D stacked reconfigurable processor modules and hybrid die integration for configurable computing | — |
| 27 | Heirloom Provider of direct air capture technology for permanent carbon dioxide removal 40Funding top 26%Talent top 28%Moat top 39%Market bottom 45% All 8 signals ▾Fundingtop 26% Talenttop 28% Moattop 39% Marketbottom 45% Growthbottom 40% Globalbottom 39% Techbottom 37% Newsbottom 19% Funding: Raised $53.0M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 40/100 | $53M | 6 mo ago | 54 | Noah Mcqueen Co-Founder | Webflow EcommerceWebflowLenis+10 | — | — |
| 28 | AirCapture Online platform offering carbon capture solutions 32Funding top 37%Patents top 42%Innovation top 45%Moat bottom 49% All 9 signals ▾Fundingtop 37% Patentstop 42% Innovationtop 45% Moatbottom 49% Techbottom 43% Talentbottom 40% Marketbottom 35% Globalbottom 33% Newsbottom 20% Funding: Raised $50.0M across 1 rounds · 1 rounds over 4 yrs (0.2/yr) Patents: 9 patents matched (strict assignee match) · 9 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 32/100 | $50M | 11 mo ago | 35 | Matt Atwood Co-Founder & CEO | WebflowYouTubeCloudinary+12 | 9 patents CO₂ capture via EM‑excited amine sorbents and advanced cryogenic gas separation surfaces | 1 launch · 3 awards |
| 29 | Aether Fuels Developer of technology converting waste carbon into sustainable liquid fuels 40Funding top 23%Growth top 35%News top 46%Moat top 48% All 9 signals ▾Fundingtop 23% Growthtop 35% Newstop 46% Moattop 48% Talentbottom 49% Globalbottom 39% Marketbottom 35% Partnersbottom 35% Techbottom 32% Funding: Raised $45.4M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 40/100 | $45M | 5 mo ago | — | Conor Madigan Founder and CEO | Craft CMSApple iCloud MailMicrosoft 365+10 | — | 1 launch · 1 award |
| 30 | Quilt AI-based heat control systems for homes 55Funding top 24%Talent top 28%Growth top 35%Moat top 39% All 10 signals ▾Fundingtop 24% Talenttop 28% Growthtop 35% Moattop 39% Techtop 45% AItop 45% Producttop 46% Globalbottom 39% Marketbottom 33% Customersbottom 2% Funding: Raised $42.0M across 3 rounds · 3 rounds over 3 yrs (1.0/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 55/100 | $42M | 6 mo ago | 30 | Matthew Knoll Co-Founder & CTO | Craft CMSPHPYii+20 | — | 2 launchs · 1 expansion · 1 award |
| 31 | Verdigris AI and SaaS-driven energy analytics platform for the management of facilities and commercial buildings 48Funding top 23%Growth top 28%Talent top 28%Moat top 41% All 11 signals ▾Fundingtop 23% Growthtop 28% Talenttop 28% Moattop 41% Techtop 42% Producttop 46% Newsbottom 41% Globalbottom 39% Marketbottom 32% Innovationbottom 31% Patentsbottom 24% Funding: Raised $41.7M across 13 rounds · 13 rounds over 15 yrs (0.9/yr) Growth: Headcount 20 → 27 (+35%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 48/100 | $42M | 3 mo ago | 27 | Mark Chung Co-Founder & CEO | WebflowUptimeRobotApple iCloud Mail+18 | 2 patents Electrical load identification and disaggregation via waveform analysis for power monitoring | — |
| 32 | Terraform Industries Developer of natural gas from carbon capture technology 19Talent top 38%Growth top 45%Funding top 48%Global bottom 37% All 6 signals ▾Talenttop 38% Growthtop 45% Fundingtop 48% Globalbottom 37% Marketbottom 25% Techbottom 15% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Growth: Web rank 10,000,000 → 50,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 19/100 | $38M | 2 mo ago | 9 | Casey Handmer Co-Founder | Apache HTTP ServerGoogle Workspace | — | — |
| 33 | Windfall Bio Developer of technology transforming methane into organic fertilizer for agriculture 29Funding top 25%Talent top 30%News top 34%Moat top 48% All 6 signals ▾Fundingtop 25% Talenttop 30% Newstop 34% Moattop 48% Globalbottom 39% Marketbottom 23% Funding: Raised $37.0M across 4 rounds · 4 rounds over 3 yrs (1.3/yr) Talent: 4 named leaders on record · 4 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 29/100 | $37M | 12 mo ago | 9 | Judy Su Co-Founder & VP Operations | — | — | — |
| 34 | Living Carbon Provider of biotechnology based carbon storage solutions 53Partners top 18%Funding top 23%Growth top 25%News top 28% All 9 signals ▾Partnerstop 18% Fundingtop 23% Growthtop 25% Newstop 28% Moattop 39% Talentbottom 49% Techbottom 42% Marketbottom 40% Globalbottom 39% Partners: 5 contract events in 12 mo · Named contractor/client in 5 deals Funding: Raised $36.0M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) rank vs industry peers · Fliar Intelligence Index 53/100 | $36M | 1 mo ago | 25 25 → 38 (+52%) | Maddie Hall Co-Founder & CEO | WebflowTypekitGoogle Font API+12 | — | — |
| 35 | 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 | HubSpot CMS Hubcore-jsPreact+15 | 13 patents High‑pressure lipid extraction, infusion and bonding equipment for oil processing | — |
| 36 | Merlin Solar Manufacturers of solar modules 55Product top 26%Funding top 27%Tech top 27%Growth top 35% All 10 signals ▾Producttop 26% Fundingtop 27% Techtop 27% Growthtop 35% Patentstop 43% Moattop 43% Innovationtop 50% Talentbottom 49% Globalbottom 40% Marketbottom 38% Product: 11 distinct product lines · Company stage: Acquired Funding: Raised $31.0M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 55/100 | $31M | 5 mo ago | 62 | Venkatesan Murali Founder | Wix eCommerceWixSentry+13 | 79 patents Metallic interconnects and surface treatments for photovoltaic module manufacturing | — |
| 37 | Ambercycle Provider of tech-based solutions for producing yarns from old cloths 37Funding top 29%News top 34%Talent top 38%Moat top 39% All 9 signals ▾Fundingtop 29% Newstop 34% Talenttop 38% Moattop 39% Growthtop 42% Techbottom 41% Globalbottom 39% Partnersbottom 35% Marketbottom 28% Funding: Raised $26.6M across 6 rounds · 6 rounds over 9 yrs (0.7/yr) News: 5 BI events in 12 mo (of 17 tracked, 4 types) · +25% YoY rank vs industry peers · Fliar Intelligence Index 37/100 | $27M | 10 mo ago | 7 | Shay Sethi Co-Founder & CEO | WebflowVimeoSiteGround+10 | — | — |
| 38 | Splight Provider of AI-based transmission capacity for the grid 35AI top 35%Funding top 37%Talent bottom 49%Global bottom 48% All 6 signals ▾AItop 35% Fundingtop 37% Talentbottom 49% Globalbottom 48% Techbottom 38% Marketbottom 30% AI: Product described with: ai-based, machine learning Funding: Raised $24.4M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 35/100 | $24M | 9 mo ago | — | Thomas Vadora Co-Founder | Framer SitesReactLenis+5 | — | — |
| 39 | Novoloop Provider of sustainable and performance thermoplastics 62Patents top 27%Funding top 30%Innovation top 32%Moat top 32% All 9 signals ▾Patentstop 27% Fundingtop 30% Innovationtop 32% Moattop 32% Talenttop 38% Producttop 49% Marketbottom 47% Globalbottom 47% Newsbottom 21% Patents: 33 patents matched (strict assignee match) · 31 filings since 2022 vs 2 in 2017-21 Funding: Raised $24.0M across 7 rounds · 7 rounds over 11 yrs (0.6/yr) rank vs industry peers · Fliar Intelligence Index 62/100 | $24M | 11 mo ago | 42 | Jeanny Yao Co-founder & COO | — | 33 patents Chemical recycling of polypropylene and contaminated plastics, plus nitro‑polyester TPU formulations. | — |
| 40 | Sunflower Labs Provider of AI-driven home security solutions using smart lighting and drones 62Funding top 31%Innovation top 35%Growth top 35%Patents top 36% All 11 signals ▾Fundingtop 31% Innovationtop 35% Growthtop 35% Patentstop 36% Moattop 37% Talenttop 38% Techtop 43% Newstop 44% AItop 45% Globalbottom 39% Marketbottom 34% Funding: Raised $22.1M across 5 rounds · 5 rounds over 10 yrs (0.5/yr) Innovation: 18 patents (top 54% of patent-holders) · 5 filings since 2022 vs 3 in 2017-21 rank vs industry peers · Fliar Intelligence Index 62/100 | $22M | 7 mo ago | 30 | Chris Eheim Founder + CTO | Node.jsNext.jsstyled-components+10 | 18 patents Autonomous multicopter drones for security surveillance, auto‑landing, and sensor‑network integration | — |
| 41 | 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 | WordPressMySQLPHP+22 | 6 patents Enables communication and power‑sharing networks for distributed energy systems | — |
| 42 | Rubi Manufacturer of biobased textiles made from captured carbon emissions 32Funding top 28%Partners top 32%Moat top 35%Talent top 38% All 7 signals ▾Fundingtop 28% Partnerstop 32% Moattop 35% Talenttop 38% Newsbottom 48% Globalbottom 39% Marketbottom 31% Funding: Raised $18.6M across 6 rounds · 6 rounds over 4 yrs (1.5/yr) Partners: 2 partnership announcements in 12 mo (2 in 24 mo) rank vs industry peers · Fliar Intelligence Index 32/100 | $19M | 6 mo ago | 12 12 → 28 (+133%) | Neeka Mashouf Co-Founder & CEO | — | — | — |
| 43 | Lumen Energy Provider of solutions to manage PPA 40Funding top 36%Talent top 38%Market bottom 43%Global bottom 36% All 4 signals ▾Fundingtop 36% Talenttop 38% Marketbottom 43% Globalbottom 36% Funding: Raised $16.5M · 3 rounds over 5 yrs (0.6/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 40/100 | $17M | 3 mo ago | 38 | Dave Coen Co-Founder | — | — | — |
| 44 | NovaSolix Developer of rectenna-based solar technology for various applications and sectors 32Moat top 25%Funding top 33%Talent top 34%Patents top 41% All 7 signals ▾Moattop 25% Fundingtop 33% Talenttop 34% Patentstop 41% Innovationtop 47% Globalbottom 33% Marketbottom 25% Moat: Editorial + unicorn rating 6/10 · IP moat: 42 patents Funding: Raised $16.1M across 3 rounds · 3 rounds over 6 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 32/100 | $16M | 2 mo ago | 12 | Bob Cousins Co-Founder | — | 42 patents Solar-powered antenna arrays and low‑power semi‑reflective display technologies | 3 launchs · 2 partnerships |
| 45 | Gridware Real-time grid intelligence platform for safer, more resilient power grids 50Funding top 28%Growth top 28%Talent top 28%Moat top 39% All 8 signals ▾Fundingtop 28% Growthtop 28% Talenttop 28% Moattop 39% Newstop 43% Techbottom 43% Globalbottom 37% Marketbottom 32% Funding: Raised $15.9M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 50/100 | $16M | 7 mo ago | 18 | Hall Chen Co-Founder & CTO | WebflowApple iCloud MailMicrosoft Advertising+13 | — | — |
| 46 | Harvest Thermal Provider of thermal battery systems for heating, cooling, and hot water 53Innovation top 29%Patents top 29%Funding top 32%Moat top 32% All 9 signals ▾Innovationtop 29% Patentstop 29% Fundingtop 32% Moattop 32% Techtop 33% Growthtop 45% Talentbottom 49% Globalbottom 40% Marketbottom 27% Innovation: 25 patents (top 46% of patent-holders) · 22 filings since 2022 vs 3 in 2017-21 Patents: 25 patents matched (strict assignee match) · 22 filings since 2022 vs 3 in 2017-21 rank vs industry peers · Fliar Intelligence Index 53/100 | $13M | 8 mo ago | 12 12 → 17 (+42%) | Jane Melia Co-Founder and CEO | SentryNode.jsReact+17 | 25 patents Low-emission HVAC control and thermal‑storage management systems for building energy efficiency | — |
| 47 | MicroBio Engineering Developer of microalgae technology and wastewater treatment plants 32Innovation top 20%Funding top 44%Product top 46%Talent bottom 45% All 7 signals ▾Innovationtop 20% Fundingtop 44% Producttop 46% Talentbottom 45% Techbottom 31% Globalbottom 29% Marketbottom 15% Innovation: 6 product lines Funding: Raised $8.7M across 9 rounds · 9 rounds over 10 yrs (0.9/yr) rank vs industry peers · Fliar Intelligence Index 32/100 | $9M | 5 mo ago | 8 | John Benemann CEO | Squarespace CommerceSquarespaceStimulus+11 | — | — |
| 48 | Flair Systems Manufacturer of smart vents for home temperature control 50Tech top 26%Growth top 35%Funding top 37%Talent top 38% All 9 signals ▾Techtop 26% Growthtop 35% Fundingtop 37% Talenttop 38% Customerstop 39% Moattop 39% Producttop 46% Globalbottom 38% Marketbottom 25% Tech: 60 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon S3 Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 50/100 | $8M | 2 mo ago | 13 | Kenny Tay Co-Founder & CTO | ShopifyBootstrapAmazon Web Services+44 | — | — |
| 49 | Derapi Provider of software for utility management 22News top 38%Talent top 38%Funding top 42%Tech top 47% All 6 signals ▾Newstop 38% Talenttop 38% Fundingtop 42% Techtop 47% Globalbottom 36% Marketbottom 21% News: 3 BI events in 12 mo (of 3 tracked, 1 types) · Top themes: Funding Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 22/100 | $7M | 4 mo ago | 11 | Thomas Lee Co-Founder & President | WordPressMySQLPHP+28 | — | — |
| 50 | BoxPower Turnkey microgrid solutions provider for reliable, affordable, and clean energy 32Growth top 35%Talent top 41%Funding top 44%Moat top 45% All 9 signals ▾Growthtop 35% Talenttop 41% Fundingtop 44% Moattop 45% Techtop 47% Globalbottom 37% Marketbottom 34% Patentsbottom 29% Innovationbottom 22% Growth: Fresh capital in last 24 mo Talent: Analyst team rating 4/5 · 1 named leader on record rank vs industry peers · Fliar Intelligence Index 32/100 | $7M | 5 mo ago | 35 | Angelo Campus Founder & CEO | Webflow EcommerceWebflowAmazon Web Services+14 | 3 patents Modular microgrid design and intelligent energy management systems | — |
Top 12 Environment Tech companies in California
#1
Public · San Francisco, California · founded 2017 · 49 employees$420.2Mraised▾
Public · San Francisco, California · founded 2017 · 49 employees
Developer of next-generation geothermal projects delivering carbon-free energy. It pioneers a new approach to geothermal energy using technologies like horizontal drilling and distributed fiber optic sensing to unlock geothermal resources. It focuses on making geothermal energy a scalable resource and ensures environmental health and safety in its operations. The company aims to decarbonize challenging parts of the electricity sector through geothermal energy.
Fliar Intelligence Index™ 57how this company ranks against its industry peers
Funding
top 8%Talent
top 34%News
top 39%Partners
top 45%Growth
top 47%Tech
top 48%Funding: Raised $420M across 12 rounds · 12 rounds over 5 yrs (2.4/yr) · Last round Conventional Debt (Mar 2026)
Talent: Analyst team rating 4/5 · 2 named leaders on record · 2 C-suite/founder profiles curated
News: 9 BI events in 12 mo (of 26 tracked, 4 types) · -31% YoY · 8 high-value events (IPO/M&A/funding/contracts) in 12 mo
Audience (LinkedIn): 68k LinkedIn followers — 7.5% of this cohort's audience
Activity (LinkedIn): 1 product launches · 3 partnerships (incl. Enhanced Geothermal Systems Deployment Coalition (EGS DC)) announced in 12 mo
Funding rounds
- Mar 2026Conventional Debt$421M
- Dec 2025Series E$462M
- Jun 2025Conventional Debt$105.5M
- Jun 2025Series D$100M
Founders & team
Investors
Breakthrough Energy, Capricorn, 3x5 Partners, Helmerich & Payne, Elemental, DCVC
Tech stack
Apple Icloud MailCloudflareCloudflare Bot ManagementCore-JsElementorFancybox
#2
Series D · San Jose, California · founded 2018 · 75 employees$190Mraised▾
Series D · San Jose, California · founded 2018 · 75 employees
Developer of thermal management solutions for data centers and electronic devices. The company offers direct-to-chip liquid cooling and solid-state active air cooling products. These cooling solutions are applicable to consumer devices, industrial embedded systems, and data centers. The company's products aim to improve performance and enable compact designs.
Fliar Intelligence Index™ 72how this company ranks against its industry peers
Innovation
top 16%Patents
top 17%Funding
top 18%Moat
top 33%News
top 34%Growth
top 35%Innovation: 194 patents (top 16% of patent-holders) · 163 filings since 2022 vs 31 in 2017-21 · Deep-tech classification: Tech Hardware
Patents: 194 patents matched (strict assignee match) · 163 filings since 2022 vs 31 in 2017-21 · Latest publication 2026
Funding: Raised $190M across 3 rounds · 3 rounds over 8 yrs (0.4/yr) · Last round Series D (Mar 2026)
Audience (LinkedIn): 9k LinkedIn followers
Funding rounds
- Mar 2026Series D$143M
- May 2024Series C$90M
- Dec 2022Series B$100M
- 2018Series A—
Founders & team
Investors
Qualcomm Ventures, Mayfield, Clear Ventures, Addition, Fidelity Investments, Prosperity7 Ventures
Tech stack
CloudflareCloudflare Bot ManagementGoogle Font ApiGoogle Hosted LibrariesHstsHttp/3
#3
Series C · San Francisco, California · founded 2014 · 220 employees$231Mraised▾
Series C · San Francisco, California · founded 2014 · 220 employees
Smart energy management technology platform that modernizes residential electrical systems. Its solutions replace traditional electrical panels with smart systems that provide homeowners with real-time visibility into household energy usage, circuit-level monitoring, and remote control of appliances and connected devices. It is designed to support modern electrified homes by integrating technologies such as home batteries, electric vehicle chargers, solar systems, HVAC systems, and heat pumps into a centralized energy management ecosystem.
Fliar Intelligence Index™ 82how this company ranks against its industry peers
Funding
top 13%Innovation
top 18%Patents
top 20%Growth
top 28%Moat
top 28%Product
top 35%Funding: Raised $231M across 10 rounds · 10 rounds over 8 yrs (1.2/yr) · Last round Series C (Jan 2026)
Innovation: 78 patents (top 21% of patent-holders) · 64 filings since 2022 vs 14 in 2017-21 · Deep-tech classification: Tech Hardware
Patents: 78 patents matched (strict assignee match) · 64 filings since 2022 vs 14 in 2017-21 · Latest publication 2026
Audience (LinkedIn): 35k LinkedIn followers — 3.9% of this cohort's audience
Hiring (LinkedIn): 1 hiring post in 12 mo (public)
Funding rounds
- Jan 2026Series C$163.3M
- Sep 2025Series B$25M
- Jun 2025Grant (prize money)$999.8K
- Apr 2025Grant (prize money)$999.8K
Founders & team
Investors
ArcTern Ventures, Capricorn, Incite, One Zero Capital, Wireframe Ventures, Ulu Ventures
Tech stack
AccessibeAhrefsApple Icloud MailAuraBootstrapCloudflare
#4
Series A · Redwood City, California · founded 2024$77.5Mraised▾
Series A · Redwood City, California · founded 2024
Provider of AI data center power solutions leveraging existing grid infrastructure. It partners with AI infrastructure developers and electric utilities to identify and utilize existing grid capacity for powering AI data centers. This approach reduces time-to-power significantly, eliminating the need for costly grid upgrades. The company employs generative AI to pinpoint optimal sites and optimize grid capacity utilization across all locations and hours. This solution benefits both data center developers, by providing faster access to power, and utilities, by driving beneficial load growth and maximizing asset utilization.
Fliar Intelligence Index™ 50how this company ranks against its industry peers
Funding
top 22%Talent
top 38%AI
top 45%Global
bottom 48%Tech
bottom 44%Market
bottom 35%Funding: Raised $77.5M across 2 rounds · 2 rounds over 1 yrs (2.0/yr) · Last round Series A (May 2026)
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
AI: Product described with: generative ai
Audience (LinkedIn): 5k LinkedIn followers
Activity (LinkedIn): 1 partnerships (incl. Data Center Power Coalition) announced in 12 mo
Funding rounds
- May 2026Series A$64M
- May 2025Seed$13.5M
Founders & team
Investors
Xora Innovation, Temasek, Acclimate Ventures, Breakthrough Energy, Clearvison Ventures, Clocktower Ventures
Tech stack
BugherdCalendlyCloudflareCookieyesGoogle AnalyticsGoogle Font Api
#5
Series A · San Francisco, California · founded 2019 · 25 employees$36Mraised▾
Series A · San Francisco, California · founded 2019 · 25 employees
Provider of biotechnology based carbon storage solutions. It uses biochemistry to enhance a tree natural ability to draw down atmospheric carbon.
Fliar Intelligence Index™ 53how this company ranks against its industry peers
Partners
top 18%Funding
top 23%Growth
top 25%News
top 28%Moat
top 39%Talent
bottom 49%Partners: 5 contract events in 12 mo · Named contractor/client in 5 deals
Funding: Raised $36.0M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) · Last round Series A (Apr 2026)
Growth: Web rank 10,000,000 → 5,000,000 YoY · Fresh capital in last 24 mo
Audience (LinkedIn): 17k LinkedIn followers
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- Apr 2026Series A$13M
- Jan 2023Series A$21M
- Feb 2022Grant (prize money)$500K
- Feb 2022Series A$15M
Founders & team
Investors
Temasek, Lowercarbon Capital, Toyota Ventures, Felicis Ventures, Day One Ventures, Goat Capital
Tech stack
CloudflareGoogle AnalyticsGoogle Font ApiGoogle Hosted LibrariesGoogle Tag ManagerGoogle Workspace
#6
Series C · San Francisco, California · founded 2019 · 225 employees$170.5Mraised▾
Series C · San Francisco, California · founded 2019 · 225 employees
Provider of platform for enterprise sustainability programs, measurement, reporting, and action. The platform offers tools for carbon accounting, emissions reduction, and sustainability disclosure preparation. It facilitates target setting and progress tracking toward decarbonization. The platform supports audit-grade data and methodologies vetted by third-party auditors.
Fliar Intelligence Index™ 78how this company ranks against its industry peers
Funding
top 18%Growth
top 24%Moat
top 25%Product
top 28%Talent
top 28%Tech
top 34%Funding: Raised $170M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) · Last round Series C (Dec 2025)
Growth: Headcount 11 → 225 (+1945%) across vintages · Fresh capital in last 24 mo
Moat: Editorial + unicorn rating 9/10 · IP moat: 31 patents · Unicorn
Audience (LinkedIn): 76k LinkedIn followers — 8.4% of this cohort's audience
Funding rounds
- Dec 2025Series C$14.5M
- Jun 2025Grant (prize money)$55K
- Feb 2024Series C$100.5M
- Feb 2022Series B$70M
Founders & team
Investors
Sequoia Capital, Kleiner Perkins, Lowercarbon Capital, Greenoaks, Emerson Collective, Galvanize Climate Solutions
Tech stack
6SenseCloudflareCloudflare Bot ManagementCore-JsGoogle AnalyticsGoogle Tag Manager
#7
Series B · Mountain View, California · founded 2011 · 27 employees$41.7Mraised▾
Series B · Mountain View, California · founded 2011 · 27 employees
AI and SaaS-driven energy analytics platform for the management of facilities and commercial buildings. The cloud-based solution allows users to optimize operations, facility uptime, and manage energy costs. Its wireless sensors enable real-time identification, disaggregation, and analysis of the loads in buildings, providing insights into behavior and usage. It also provides an IoT Energy Meter that helps to track energy consumption with its smart sensors.
Fliar Intelligence Index™ 48how this company ranks against its industry peers
Funding
top 23%Growth
top 28%Talent
top 28%Moat
top 41%Tech
top 42%Product
top 46%Funding: Raised $41.7M across 13 rounds · 13 rounds over 15 yrs (0.9/yr) · Last round Series B (Mar 2026)
Growth: Headcount 20 → 27 (+35%) across vintages · Fresh capital in last 24 mo
Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
Audience (LinkedIn): 4k LinkedIn followers
Funding rounds
- Mar 2026Series B—
- Aug 2023Series B$10M
- Dec 2021Series B$1.1M
- Jan 2021Series B$7.1M
Founders & team
Investors
DCVC, Solea Energy, Jabil, Verizon, StartX, FOUNDER.org
Tech stack
ContentfulLinkedin Sign-InGoogle MapsUbuntuBootstrapVimeo
#8
Series C · San Marcos, California · founded 2021 · 12 employees$75Mraised▾
Series C · San Marcos, California · founded 2021 · 12 employees
Provider of magnet recycling solutions. It provides permanent magnets for sustainable energy. It also provides EcoFlux which is a sustainable magnet.
Fliar Intelligence Index™ 60how this company ranks against its industry peers
Funding
top 21%Patents
top 22%Moat
top 23%Partners
top 31%Innovation
top 32%Growth
top 36%Funding: Raised $75.0M across 4 rounds · 4 rounds over 4 yrs (1.0/yr) · Last round Series C (Jan 2026)
Patents: 220 patents matched (strict assignee match) · Latest publication 2021 · 25 distinct CPC technology classes
Moat: Editorial + unicorn rating 6/10 · IP moat: 220 patents · 2 curated direct competitors tracked
Audience (LinkedIn): 5k LinkedIn followers
Activity (LinkedIn): 1 partnerships (incl. LG Electronics) announced in 12 mo
Funding rounds
- Jan 2026Series C$215M
- Jun 2025Grant (prize money)$28.8M
- May 2023Series B$75M
- 2022Seed—
Founders & team
Investors
NGP, Aventurine, Canadian Shield Capital, One Investment Management, Military Health, Cubit Capital
Tech stack
AngularApple Icloud MailCart FunctionalityCdnjsCloudflareCloudflare Bot Management
#9
Series E · San Francisco, California · founded 2015 · 326 employees$726.5Mraised▾
Series E · San Francisco, California · founded 2015 · 326 employees
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Fliar Intelligence Index™ 60how this company ranks against its industry peers
Funding
top 16%Moat
top 26%Product
top 30%Market
top 37%Talent
top 38%Global
top 48%Funding: Raised $726M across 11 rounds · 11 rounds over 11 yrs (1.0/yr) · Last round Conventional Debt (May 2025)
Moat: Editorial + unicorn rating 9/10 · Unicorn · 10 curated direct competitors tracked
Product: 2 published apps (1.2k installs) · Company stage: Series E
Audience (LinkedIn): 70k LinkedIn followers — 7.8% of this cohort's audience
Funding rounds
- May 2025Conventional Debt$650M
- Oct 2024Series E$100M
- Aug 2023Conventional Debt$125M
- Mar 2023Series E$250M
Founders & team
Investors
AB CarVal, CBRE, ENGIE New Ventures, Evergy Ventures, Linse Capital, CPP Investments
Tech stack
Amazon Web ServicesCdnjsCloudflareCloudflare Bot ManagementContentsquareCore-Js
#10
Acquired · Los Angeles, California · founded 2005 · 120 employees$89.9Mraised▾
Acquired · Los Angeles, California · founded 2005 · 120 employees
Developer of reverse osmosis membranes for water treatment. The company developed thin-film nanocomposite QuantumFlux membranes for seawater and brackish water desalination, as well as wastewater reclamation.
Fliar Intelligence Index™ 76how this company ranks against its industry peers
Growth
top 13%Funding
top 24%Patents
top 41%Market
top 43%Moat
top 45%Innovation
top 46%Growth: Headcount 15 → 120 (+700%) across vintages · Fresh capital in last 24 mo
Funding: Raised $89.9M across 8 rounds · 8 rounds over 19 yrs (0.4/yr) · Last round Series D (Dec 2025)
Patents: 95 patents matched (strict assignee match) · 6 filings since 2022 vs 48 in 2017-21 · Latest publication 2023
Funding rounds
- Dec 2025Series D—
- Apr 2012Conventional Debt$20.5M
- Apr 2012Series C$40M
- Dec 2011Series C$14.9M
Investors
Khosla Ventures, Total, CalPERS, Pacific Corporate Group, Oak Investment Partners, BASF
#11
Series A · Los Angeles, California · founded 2021 · 9 employees$37.7Mraised▾
Series A · Los Angeles, California · founded 2021 · 9 employees
Developer of natural gas from carbon capture technology. It produces natural gas using sunlight and air and removes carbon from the atmosphere. It captures carbon dioxide from the air and creates hydrogen from water using solar energy.
Fliar Intelligence Index™ 19how this company ranks against its industry peers
Talent
top 38%Growth
top 45%Funding
top 48%Global
bottom 37%Market
bottom 25%Tech
bottom 15%Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Growth: Web rank 10,000,000 → 50,000,000 YoY · Fresh capital in last 24 mo
Funding: Raised $37.7M across 1 rounds · 1 rounds over 5 yrs (0.2/yr) · Last round Series A (Mar 2026)
Funding rounds
- Mar 2026Series A$37.7M
- 2021Seed—
Founders & team
Investors
Climate Capital
Tech stack
Apache Http ServerGoogle Workspace
#12
Series D · Los Angeles, California · founded 2019 · 34 employees$55Mraised▾
Series D · Los Angeles, California · founded 2019 · 34 employees
Developer of portable nuclear microreactors designed to replace diesel generators. The company offers a compact reactor with equipment to generate electricity. The reactors leverage air cooling and high-speed turbomachinery. The units can provide thermal power for facility heating or water desalination. The fuel is designed to be meltdown-proof. The reactors are assembled, fueled, and tested in the factory. After fuel depletion, the entire container is shipped back for refueling.
Fliar Intelligence Index™ 55how this company ranks against its industry peers
Funding
top 26%Growth
top 28%Moat
top 37%Market
bottom 49%Talent
bottom 49%Tech
bottom 41%Funding: Raised $55.0M across 7 rounds · 7 rounds over 6 yrs (1.2/yr) · Last round Series D (Dec 2025)
Growth: Web rank 10,000,000 → 5,000,000 YoY · Fresh capital in last 24 mo
Moat: Editorial + unicorn rating 4/10 · Unicorn · 9 curated direct competitors tracked
Audience (LinkedIn): 35k LinkedIn followers — 3.9% of this cohort's audience · 217 engagements/post (6.0× cohort median)
Funding rounds
- Dec 2025Series D$300M
- Feb 2025Series C$66M
- Oct 2024Series C$100M
- Apr 2023Series B$40.7M
Founders & team
Investors
Union Square Ventures, Boost VC, Cantos Ventures, Tribe Capital, Decisive Point, McKinley Capital
Tech stack
Apple Icloud MailCloudflareCloudflare Browser InsightsCloudflare Rocket LoaderCore-JsDocusign
Funding & investor landscape
$25.1Btotal disclosed funding
540companies funded
1,780disclosed rounds
5rounds last 90 days
Most active investors
Y Combinator31 rounds
Notable founders
Jack Norbeck
Co-Founder and CTO · Fervo Energy
Tim Latimer
Co-Founder · Fervo Energy
Suryaprakash Ganti
Co-Founder & CTO · Frore Systems
Seshu Madhavapeddy
Co-Founder & CEO · Frore Systems
Jireh Seow
Co-Founder · SPAN
Arch Rao
Founder & CEO · SPAN
Ram Rajagopal
Co-Founder · GridCARE
Liang Min
Co-Founder · GridCARE
Maddie Hall
Co-Founder & CEO · Living Carbon
Christian Anderson
Co-Founder · Watershed
Taylor Francis
Co-Founder · Watershed
Mark Chung
Co-Founder & CEO · Verdigris
Prism market signals · United States · country-scoped Prism corpus, 1,832,914 docs
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
RESEARCH IN CALIFORNIA · Environment
How research on Environmental Monitoring in California is moving
A read on the academic research around Environmental Monitoring in California — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 226 papers.
UC Berkeley, UC Davis, and Sandia lead California's environmental-monitoring research, dominated by air quality and atmospheric chemistry themes, with a cautiously optimistic tone reflecting recent acceleration.
226 papers · stance +0.28 · 26% breakthrough · 31% concern
top institutions
- University of California, Berkeley43
- University of California, Davis21
- Sandia National Laboratories California18
- University of California, Santa Barbara17
- University of California San Diego15
leading researchers
Ambrose, Richard · Engle, Jack · Multi-Agency Rocky Intertidal Network (MARINe) · Partnership For Interdisciplinary Studies Of Coastal Oceans (PISCO) · Raimondi, Pete · Ashley Collier-Oxandale
prism intelligence · tone & topics
77% positive · 17% critical tone
HealthGovernmentBusinessBiologyEcologySustainability
▲
Breakthroughs42 · 19%
▲ 6%→20% share
▲3.3× share momentum0 median citations67% since 2021mostly methods-led
Environmental justice research is newly emerging, joining pollution and pesticide topics as brand-new signals at 3 papers each.
rising sub-themes (early→recent)
- Pollution4
- Real-time computing4
- Environmental data4
- Sampling (signal processing)3
- Wearable computer3
Newly emergingPollution 0→3 · Pesticide 0→3 · Environmental justice 0→3
Landmark Environmental sensor networks in ecological research · 165 cites
◆
Advancements70 · 31%
▲ 23%→34% share
▲1.5× share momentum0 median citations69% since 2021mostly empirical
Air quality index research is intensifying in advancements — papers rose from 2 to 10, with air pollution adding 7 new papers.
rising sub-themes (early→recent)
- Air quality index2→10
- Particulates1→4
- Wireless1→3
- Environmental resource management1→3
Newly emergingAir pollution 0→7 · Key (lock) 0→4 · Environmental engineering 0→4
Landmark A distributed network of low-cost continuous reading sensors to measure spatiotemporal variations of PM2.5 in Xi'an, Chi · 360 cites
▼
Concerns51 · 23%
▼ 32%→20% share
▼0.6× share momentum2 median citations57% since 2021mostly empirical
Pollution concern is intensifying — brand-new at 5 papers while air quality index tripled from 1 to 6 and contamination quadrupled.
rising sub-themes (early→recent)
- Air quality index1→6
- Contamination1→4
- Groundwater1→3
- Air pollution2→4
- Hydrology (agriculture)1→3
Newly emergingPollution 0→5 · Water quality 0→4 · Watershed 0→3
Landmark Effect-Based Tools for Monitoring and Predicting the Ecotoxicological Effects of Chemicals in the Aquatic Environment · 281 cites
Common questions
How many Environment Tech companies are there in California, United States?
Radar tracks 1219 indexable Environment Tech companies headquartered in California, United States that meet our profile-completeness bar.
What is the total funding raised by Environment Tech companies in California, United States?
The Environment Tech companies in California, United States on this list have raised a combined $25.1B in disclosed equity funding across 540 funded companies.
Which is the highest-funded Environment Tech company in California, United States?
View is the highest-funded Environment Tech company in California, United States, with $3.5B in disclosed equity funding.
How many Environment Tech companies in California, United States are funded?
540 of the 1219 Environment Tech companies in California, United States on this list have disclosed at least one equity funding round.
How many Environment Tech unicorns are there in California, United States?
8 Environment Tech companies in California, United States on this list are valued at $1B or more.
Who are the top investors in California, United States Environment Tech companies?
The most active investors in California, United States Environment Tech companies on this list include Climate Capital, OSTI, DOE, National Science Foundation, Plug and Play Tech Center.
Rohit KhannaTrends & Stories
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.