Radar · Sustainability Tech in United States
Best Sustainability Tech Companies in United States
The 7658 best Sustainability Tech companies in United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: View.
By Riya SenguptaFinancials
7658companies tracked
$108.3Bdisclosed funding
26unicorns
2911have raised
Ranked by disclosed equity funding and recent momentum, our directory of Sustainability Tech companies across the United States tracks 7,658 firms that have collectively pulled in $108.3 billion in disclosed capital. That's not a rounding error. Redwood Materials alone has raised $1.9 billion, Nexamp sits at $1.3 billion, and LanzaTech has logged $869 million, numbers that make clear this sector earns its scale. Twenty-six unicorns have emerged from that pool, and the most active backers read like a federal mandate: HHS, the National Science Foundation, and the DOE are all in, which tells you something about where regulatory tailwinds are pointed.
So what's actually moving right now? Coverage is flat in volume, but the capital is clustering hard around renewable technologies, renewable electricity, and green infrastructure, the transition themes rather than the monitoring ones. I'd flag that distinction as load-bearing for anyone scanning this list for momentum plays. As one recent look at the balance between sustainability and technology notes, the gap between ambition and deployed infrastructure is still wide, and green business models are increasingly digital-first in their architecture. The companies ranked below are sorted by funding and recent raise activity, giving you the clearest read on who's actually capitalized to execute.
Sources & further reading
- West Asia war lays bare weak links in India’s renewable energy plan, grid networ
- The world is embracing offshore wind even as the us retreats
- The world is embracing offshore wind — even as the US retreats
FLIAR INTELLIGENCE · SUSTAINABILITY TECH × UNITED STATES
Our analysis of 84 Sustainability Tech companies
$19.4b in tracked funding; 85% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
84companies analysed
85%cloud-native stacks
2025funding peak (by rounds)
9unicorns
2016median founding year
1.7Mcombined LinkedIn audience
56%of audience held by top 3
5companies hiring publicly (12 mo)
Ranked: Best Sustainability Tech companies in United States
| # | Company | Disclosed funding | Last round | Employees | Founder | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Moderna Developer of mRNA-based therapeutics for a wide range of diseases 82Tech top 11%Funding top 15%Market top 22%Partners top 25% All 12 signals ▾Techtop 11% Fundingtop 15% Markettop 22% Partnerstop 25% Talenttop 25% Newstop 31% Moattop 32% Patentstop 34% Globaltop 38% Innovationtop 39% Growthbottom 49% Fin. healthbottom 48% Tech: 57 technologies across 6/8 capability areas · Cloud: Amazon Cloudfront, Amazon Ses Funding: Raised $2.8B across 20 rounds · 20 rounds over 14 yrs (1.4/yr) rank vs industry peers · Fliar Intelligence Index 82/100 | $2.8B | 17 mo ago | 1,312 | Robert Langer Co-Founder | 47 signals Earnings · Contracts · Leadership | 31 patents Patents concentrated in health & consumer products | 1 internship |
| 2 | Redwood Materials 🦄 Provider of repurposed battery packs for modular energy storage systems 82Funding top 11%News top 15%Growth top 25%Moat top 26% All 10 signals ▾Fundingtop 11% Newstop 15% Growthtop 25% Moattop 26% Markettop 32% Producttop 41% Talenttop 43% Techtop 45% Globaltop 48% Partnersbottom 35% Funding: Raised $1.9B across 9 rounds · 9 rounds over 9 yrs (1.0/yr) News: 16 BI events in 12 mo (of 108 tracked, 12 types) · +433% YoY rank vs industry peers · Fliar Intelligence Index 82/100 | $1.9B | 4 mo ago | 516 | Jb Straubel founder | 16 signals ▲433% Leadership · Funding · Layoffs | — | 1 job opening · 1 internship · 2 partnerships |
| 3 | Nexamp 🦄 Provider of community solar programs and energy solutions for businesses 76Funding top 12%Tech top 23%Moat top 23%Talent top 35% All 8 signals ▾Fundingtop 12% Techtop 23% Moattop 23% Talenttop 35% Markettop 38% Growthtop 43% Globalbottom 39% Newsbottom 38% Funding: Raised $1.3B across 12 rounds · 12 rounds over 16 yrs (0.8/yr) Tech: 42 technologies across 6/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 76/100 | $1.3B | 1 mo ago | 331 331 → 589 (+78%) · sector median +15% | Zaid Ashai CEO | 3 signals ▼75% Funding | — | 1 award |
| 4 | Ascend Elements 🦄 Manufacturer of engineered materials from recycled lithium-ion batteries and battery scrap 80Funding top 13%Innovation top 21%Patents top 22%News top 24% All 11 signals ▾Fundingtop 13% Innovationtop 21% Patentstop 22% Newstop 24% Moattop 25% Growthtop 27% Talenttop 38% Markettop 42% Techbottom 48% Partnersbottom 43% Globalbottom 42% Funding: Raised $1.0B across 10 rounds · 10 rounds over 4 yrs (2.5/yr) Innovation: 98 patents (top 28% of patent-holders) · 98 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 80/100 | $1.0B | 15 mo ago | 87 87 → 148 (+70%) · sector median +15% | Yan Wang Co-Founder | 7 signals ▲40% Announcements · Hiring · Contracts | 98 patents Recycling and purification of battery metals and graphite for Li‑ion and NiMH batteries | — |
| 5 | Divert Provider of recyclable waste management services 55Funding top 28%Talent top 38%Tech top 42%Moat top 45% All 10 signals ▾Fundingtop 28% Talenttop 38% Techtop 42% Moattop 45% Markettop 46% Patentstop 50% Growthbottom 47% Globalbottom 42% Innovationbottom 36% Newsbottom 19% Funding: Raised $1.0B across 2 rounds · 2 rounds over 8 yrs (0.2/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 55/100 | $1.0B | 4 mo ago | 250 | Ryan Begin Co-Founder & CEO | — | 39 patents Digital waste tracking and compliance analytics for supply-chain material handling | 1 partnership · 1 expansion |
| 6 | LanzaTech 🦄 Developer of technology converting carbon-rich gases into fuels and chemicals 78Patents top 10%Funding top 17%News top 25%Innovation top 26% All 13 signals ▾Patentstop 10% Fundingtop 17% Newstop 25% Innovationtop 26% Moattop 26% Producttop 29% Markettop 30% Talenttop 34% Partnerstop 35% Techtop 36% Globaltop 37% Growthtop 45% Fin. healthbottom 48% Patents: 765 patents matched (strict assignee match) · 530 filings since 2022 vs 213 in 2017-21 Funding: Raised $869M across 21 rounds · 21 rounds over 21 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 78/100 | $869M | 4 mo ago | 367 367 → 243 (-34%) · sector median +15% | Sean Simpson Co-Founder | 25 signals ▲56% Funding · Hiring · Leadership | 765 patents Industrial gas fermentation using engineered microbes to convert C1 gases into chemicals and proteins | 2 partnerships · 1 expansion · 1 award |
| 7 | Enterprise Community Non-profit organisation making affordable homes 62Funding top 23%Tech top 37%Market top 41%Growth top 47% All 7 signals ▾Fundingtop 23% Techtop 37% Markettop 41% Growthtop 47% Moatbottom 38% Globalbottom 37% Newsbottom 22% Funding: Raised $851M across 56 rounds · 56 rounds over 22 yrs (2.5/yr) Tech: 40 technologies across 5/8 capability areas · Cloud: Cloudflare, Fastly rank vs industry peers · Fliar Intelligence Index 62/100 | $851M | 15 mo ago | 1,319 1,319 → 897 (-32%) · sector median +15% | — | — | — | 1 award |
| 8 | 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 | — | — | — |
| 9 | District of Columbia Affordable housing developer 69Funding top 31%Market top 35%Growth top 35%Tech bottom 45% All 5 signals ▾Fundingtop 31% Markettop 35% Growthtop 35% Techbottom 45% Globalbottom 25% Funding: Raised $585M across 71 rounds · 71 rounds over 21 yrs (3.4/yr) Market: 336 employees (top 14% of Sustainability Tech) · Top-5,000,000 web property rank vs industry peers · Fliar Intelligence Index 69/100 | $585M | 5 mo ago | 336 | — | — | — | — |
| 10 | Clean Capital Online platform for funding solar projects 60Funding top 18%Talent top 28%Growth top 29%Moat top 31% All 10 signals ▾Fundingtop 18% Talenttop 28% Growthtop 29% Moattop 31% Producttop 40% Innovationtop 43% Techtop 44% Newstop 46% Globalbottom 39% Marketbottom 30% Funding: Raised $504M across 5 rounds · 5 rounds over 11 yrs (0.5/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 60/100 | $504M | 5 mo ago | 30 | Jon Powers Co Founder | 3 signals Capital raise · Acquisition | — | — |
| 11 | 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 | 9 signals ▼31% Funding · IPO · Capital raise | — | 1 launch · 3 partnerships |
| 12 | Gradiant 🦄 Provider of industrial water treatment solutions and technologies 78Patents top 21%Moat top 22%Funding top 26%Innovation top 29% All 11 signals ▾Patentstop 21% Moattop 22% Fundingtop 26% Innovationtop 29% Globaltop 30% Markettop 33% Growthtop 35% Fin. healthtop 37% Techtop 40% Newstop 42% Talentbottom 49% Patents: 256 patents matched (strict assignee match) · 103 filings since 2022 vs 108 in 2017-21 Moat: Editorial + unicorn rating 9/10 · IP moat: 256 patents rank vs industry peers · Fliar Intelligence Index 78/100 | $400M | 1 mo ago | 900 | Anurag Bajpayee Co-Founder & CEO | — | 256 patents Patents concentrated in transport & manufacturing processes | — |
| 13 | Ascent Solar Manufacturer of flexible thin-film solar panels for varied applications 37Product top 14%News top 25%Funding top 30%Growth top 30% All 12 signals ▾Producttop 14% Newstop 25% Fundingtop 30% Growthtop 30% Innovationtop 39% Patentstop 42% Talentbottom 49% Techbottom 39% Globalbottom 38% Moatbottom 37% Fin. healthbottom 36% Marketbottom 19% Product: 4 distinct product lines · Company stage: Public News: 6 BI events in 12 mo (of 88 tracked, 11 types) · +200% YoY rank vs industry peers · Fliar Intelligence Index 37/100 | $265M | 4 mo ago | 16 | Paul Warley CEO | 6 signals ▲200% Funding · Incorporation | 96 patents Thin‑film solar cell manufacturing, flexible substrates, and monolithic integration for airborne power. | — |
| 14 | Tomorrow.io 🦄 AI-powered weather intelligence platform using satellites for real-time forecasting 89Funding top 16%Customers top 25%AI top 26%Moat top 26% All 11 signals ▾Fundingtop 16% Customerstop 25% AItop 26% Moattop 26% Producttop 27% Techtop 28% Talenttop 28% Newstop 30% Growthtop 37% Markettop 39% Globaltop 48% Funding: Raised $250M across 4 rounds · 4 rounds over 9 yrs (0.4/yr) Customers: Play-Store rating 4.57★ across 25,899 ratings (2 apps) · Review volume +2% in 6 mo rank vs industry peers · Fliar Intelligence Index 89/100 | $250M | 1 mo ago | 124 124 → 228 (+84%) · sector median +15% | Hagit Messer Co-Founder | 4 signals Funding | — | 1 award |
| 15 | BRIDGE Developer of affordable homes for senior living 62Funding top 16%Growth top 40%Tech top 41%Market top 42% All 6 signals ▾Fundingtop 16% Growthtop 40% Techtop 41% Markettop 42% Talentbottom 49% Globalbottom 32% Funding: Raised $250M across 4 rounds · 4 rounds over 4 yrs (1.0/yr) Growth: Headcount 359 → 417 (+16%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 62/100 | $250M | 7 mo ago | 417 417 → 316 (-24%) · sector median +15% | Ken Lombard President & CEO | — | — | 1 partnership |
| 16 | CytoDyn Developer of humanized monoclonal antibodies for the treatment and prevention of HIV infection 32Funding top 17%Growth top 35%Patents top 36%Innovation top 44% All 10 signals ▾Fundingtop 17% Growthtop 35% Patentstop 36% Innovationtop 44% Moatbottom 49% Globalbottom 36% Techbottom 35% Newsbottom 26% Marketbottom 25% Fin. healthbottom 24% Funding: Raised $250M across 23 rounds · 23 rounds over 17 yrs (1.4/yr) Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 32/100 | $250M | 3 mo ago | 12 12 → 23 (+92%) · sector median +15% | — | — | 107 patents CCR5-targeted biologics for HIV, cancer, NAFLD/NASH and immune‑modulating therapies | 1 partnership |
| 17 | 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 | — | 78 patents Smart electrical panel and load management systems for residential/commercial energy control | 1 job opening |
| 18 | NovaBay Pharmaceuticals Developer of eye care and wound care products 32Funding top 21%Product top 35%News top 46%Talent bottom 49% All 10 signals ▾Fundingtop 21% Producttop 35% Newstop 46% Talentbottom 49% Moatbottom 44% Marketbottom 43% Techbottom 41% Growthbottom 40% Globalbottom 38% Fin. healthbottom 37% Funding: Raised $220M across 13 rounds · 13 rounds over 11 yrs (1.2/yr) Product: 0 product launch events in 12 mo · Company stage: Public rank vs industry peers · Fliar Intelligence Index 32/100 | $220M | 5 mo ago | 33 33 → 38 (+15%) · sector median +15% | Justin Hall CEO | 5 signals ▼62% M&A · Regulatory · Announcements | — | — |
| 19 | Sense Smart energy platform providing real-time electricity usage insights for homes and utilities 60Patents top 21%Funding top 23%Customers top 26%Moat top 26% All 12 signals ▾Patentstop 21% Fundingtop 23% Customerstop 26% Moattop 26% Innovationtop 27% Producttop 33% Talenttop 33% Techtop 36% Growthtop 37% Globaltop 50% Marketbottom 40% Fin. healthbottom 17% Patents: 114 patents matched (strict assignee match) · 60 filings since 2022 vs 44 in 2017-21 Funding: Raised $195M across 5 rounds · 5 rounds over 11 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 60/100 | $195M | 4 mo ago | 120 120 → 106 (-12%) · sector median +15% | Mike Phillips Co-founder | — | 114 patents Smart power metering and event analytics for device identification in intelligent grids | 1 award |
| 20 | 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 | 4 signals Funding | 194 patents MEMS-enabled active cooling and fluidic actuation for LED and waterproof electronic systems | — |
| 21 | Sanaria Developer of whole-parasite malaria vaccines for infectious diseases 48Funding top 23%Patents top 33%Moat top 41%Innovation top 46% All 8 signals ▾Fundingtop 23% Patentstop 33% Moattop 41% Innovationtop 46% Growthtop 47% Marketbottom 44% Techbottom 44% Globalbottom 37% Funding: Raised $188M across 44 rounds · 44 rounds over 21 yrs (2.1/yr) Patents: 134 patents matched (strict assignee match) · 16 filings since 2022 vs 46 in 2017-21 rank vs industry peers · Fliar Intelligence Index 48/100 | $188M | 9 mo ago | 77 | — | — | 134 patents Malaria vaccine production, sporozoite cryopreservation, and vector storage technologies | — |
| 22 | Persefoni Provider of carbon accounting and sustainability management platform for businesses 55Funding top 24%Growth top 35%Moat top 35%Product top 36% All 13 signals ▾Fundingtop 24% Growthtop 35% Moattop 35% Producttop 36% Talenttop 38% Techtop 40% Globaltop 42% AItop 45% Patentstop 49% Marketbottom 49% Innovationbottom 42% Newsbottom 22% Fin. healthbottom 17% Funding: Raised $171M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 55/100 | $171M | 1 mo ago | 295 | Jason Offerman President | — | 3 patents Enterprise carbon accounting and portfolio management software solutions | 1 launch · 1 award |
| 23 | 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 | 4 signals ▲33% New product · Announcements | 31 patents Shear‑resistant geomembranes and waterproof modular bags for containment and protective applications | — |
| 24 | MPHA Developer of affordable houses 69Growth top 35%Tech top 35%Funding top 38%Innovation top 40% All 7 signals ▾Growthtop 35% Techtop 35% Fundingtop 38% Innovationtop 40% Markettop 47% Productbottom 48% Globalbottom 25% Growth: Fresh capital in last 24 mo Tech: 40 technologies across 4/8 capability areas · Cloud: Cloudflare rank vs industry peers · Fliar Intelligence Index 69/100 | $127M | 6 mo ago | 197 | — | — | — | 1 partnership · 1 expansion |
| 25 | VoltaGrid AI and cloud-driven platform offering microgrids to provide electricity to off-grid areas 74Funding top 18%News top 20%Growth top 25%Moat top 28% All 12 signals ▾Fundingtop 18% Newstop 20% Growthtop 25% Moattop 28% Partnerstop 29% Innovationtop 32% Patentstop 33% Techtop 44% AItop 45% Talentbottom 49% Marketbottom 46% Globalbottom 39% Funding: Raised $100M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) News: 8 BI events in 12 mo (of 17 tracked, 4 types) · +167% YoY rank vs industry peers · Fliar Intelligence Index 74/100 | $100M | 1 mo ago | 44 | Nathan Ough Co-Founder & CEO | 8 signals ▲167% Contracts · Funding | 38 patents Grid‑scale power generation, condenser‑based stabilization, and modular energy‑system hardware | 2 internships |
| 26 | AN2 Therapeutics Developer of drugs for treating infectious disease 45Funding top 19%Talent top 38%Moat top 48%Market bottom 42% All 6 signals ▾Fundingtop 19% Talenttop 38% Moattop 48% Marketbottom 42% Globalbottom 32% Newsbottom 24% Funding: Raised $92.0M across 3 rounds · 3 rounds over 7 yrs (0.4/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 45/100 | $92M | 3 mo ago | 35 35 → 37 (+6%) · sector median +15% | Eric Easom Co-Founder & CEO & President | — | — | — |
| 27 | Allonnia Provider of solutions for upcycling plastic waste 37Funding top 24%Moat top 37%Patents top 41%Innovation top 47% All 8 signals ▾Fundingtop 24% Moattop 37% Patentstop 41% Innovationtop 47% Talentbottom 49% Newsbottom 44% Globalbottom 39% Marketbottom 34% Funding: Raised $90.0M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) Moat: Editorial + unicorn rating 6/10 · IP moat: 13 patents rank vs industry peers · Fliar Intelligence Index 37/100 | $90M | 6 mo ago | 16 | Nicole Richards CEO | — | 13 patents Bio-solvent ore leaching and PFAS-binding protein technologies for selective impurity removal. | — |
| 28 | 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 | — |
| 29 | Utility Global Provider of solutions to convert waste gas into hydrogen and syngas 72Growth top 15%Patents top 16%Innovation top 19%Funding top 19% All 10 signals ▾Growthtop 15% Patentstop 16% Innovationtop 19% Fundingtop 19% Newstop 22% Moattop 29% Talenttop 38% Globalbottom 42% Partnersbottom 35% Marketbottom 27% Growth: Fresh capital in last 24 mo Patents: 222 patents matched (strict assignee match) · 150 filings since 2022 vs 65 in 2017-21 rank vs industry peers · Fliar Intelligence Index 72/100 | $86M | 3 mo ago | 4 | Matt Dawson Founder & Special Advisor | 7 signals ▲133% Funding · Capital raise · Contracts | 222 patents Electrochemical production of hydrogen and syngas from ammonia and carbon-containing feedstocks | — |
| 30 | Budderfly Provider of energy management solutions and services for buildings 76Innovation top 19%Patents top 19%Funding top 22%Growth top 27% All 11 signals ▾Innovationtop 19% Patentstop 19% Fundingtop 22% Growthtop 27% Newstop 30% Moattop 32% Producttop 33% Techtop 41% Talenttop 41% Marketbottom 49% Globalbottom 36% Innovation: 68 patents (top 23% of patent-holders) · 43 filings since 2022 vs 9 in 2017-21 Patents: 68 patents matched (strict assignee match) · 43 filings since 2022 vs 9 in 2017-21 rank vs industry peers · Fliar Intelligence Index 76/100 | $85M | 2 mo ago | 103 | Al Subbloie Founder & CEO | 5 signals ▲150% Capital raise · Earnings | 68 patents Patents concentrated in computing, sensing & instrumentation | 2 partnerships |
| 31 | 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 | — | — | 1 partnership |
| 32 | 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 | 5 signals Contracts · Funding · Capital raise | 220 patents Waterborne polymer dispersions and coated polymer composites for textiles, cosmetics, and construction | — |
| 33 | Torus Manufacturer of power generators and energy management app 40Patents top 24%Funding top 29%Innovation top 30%Tech top 30% All 11 signals ▾Patentstop 24% Fundingtop 29% Innovationtop 30% Techtop 30% Growthtop 35% Producttop 36% Talenttop 38% Globalbottom 40% Moatbottom 40% Marketbottom 14% Fin. healthbottom 8% Patents: 56 patents matched (strict assignee match) · 54 filings since 2022 vs 0 in 2017-21 Funding: Raised $67.0M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) rank vs industry peers · Fliar Intelligence Index 40/100 | $67M | 1 mo ago | 1 | Nate Walkingshaw Co-Founder & CEO | — | 56 patents Flywheel-based mechanical energy storage with magnetic bearings and AI management | 1 partnership · 2 awards |
| 34 | Switched Source Developer of hardware-based system for distributed energy resources 40Innovation top 23%Funding top 34%Talent top 41%Product top 43% All 7 signals ▾Innovationtop 23% Fundingtop 34% Talenttop 41% Producttop 43% Techbottom 41% Globalbottom 29% Marketbottom 21% Innovation: 10 product lines · Deep-tech classification: Tech Hardware Funding: Raised $66.7M across 6 rounds · 6 rounds over 9 yrs (0.7/yr) rank vs industry peers · Fliar Intelligence Index 40/100 | $67M | 1 mo ago | 8 | Lane Nelson Co-Founder | — | — | — |
| 35 | Emerald Developer of a platform optimizing power grids and artificial intelligence infrastructure 50Funding top 25%AI top 30%Global top 45%Talent bottom 49% All 6 signals ▾Fundingtop 25% AItop 30% Globaltop 45% Talentbottom 49% Marketbottom 40% Techbottom 38% Funding: Raised $66.5M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) AI: Classified as an AI company · Product described with: artificial intelligence rank vs industry peers · Fliar Intelligence Index 50/100 | $67M | 4 mo ago | — | Varun Sivaram Founder & CEO | — | — | 3 partnerships · 1 award |
| 36 | M2X Energy Provider of mobile methane-to-methanol conversion systems 40Funding top 28%Growth top 35%Talent top 38%Tech bottom 43% All 7 signals ▾Fundingtop 28% Growthtop 35% Talenttop 38% Techbottom 43% Globalbottom 36% Marketbottom 27% Newsbottom 22% Funding: Raised $60.0M across 5 rounds · 5 rounds over 5 yrs (1.0/yr) Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 40/100 | $60M | 3 mo ago | 16 | Anthony Dean Co-Founder & COO | — | — | — |
| 37 | Nth Cycle Provider of electronics and li-ion battery recycling technology 50Funding top 24%Talent top 28%Growth top 35%Moat top 39% All 9 signals ▾Fundingtop 24% Talenttop 28% Growthtop 35% Moattop 39% Partnerstop 40% Newsbottom 45% Marketbottom 40% Globalbottom 38% Techbottom 35% Funding: Raised $59.7M across 9 rounds · 9 rounds over 7 yrs (1.3/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 50/100 | $60M | 1 mo ago | 37 | Megan O'Connor Co-Founder & CEO | — | — | 1 partnership |
| 38 | Tantalus Communication technology provider for smart grids 53Funding top 22%News top 22%Growth top 33%Moat top 48% All 9 signals ▾Fundingtop 22% Newstop 22% Growthtop 33% Moattop 48% Techtop 49% Marketbottom 44% Globalbottom 44% Talentbottom 40% Partnersbottom 35% Funding: Raised $58.7M across 8 rounds · 8 rounds over 22 yrs (0.4/yr) News: 11 BI events in 12 mo (of 29 tracked, 7 types) · +1000% YoY rank vs industry peers · Fliar Intelligence Index 53/100 | $59M | 4 mo ago | 42 | Ramatoulie Deen Founder/Executive Director | 11 signals ▲1000% Earnings · Announcements · Contracts | — | 1 launch |
| 39 | Latus Developer of gene therapy medicines for neurological diseases 35Funding top 26%Moat top 31%Talent bottom 49%Market bottom 40% All 5 signals ▾Fundingtop 26% Moattop 31% Talentbottom 49% Marketbottom 40% Globalbottom 36% Funding: Raised $54.0M across 2 rounds · 2 rounds over 2 yrs (1.0/yr) Moat: Editorial + unicorn rating 8/10 · Soonicorn rank vs industry peers · Fliar Intelligence Index 35/100 | $54M | 1 mo ago | — | P Ghoroghchian CEO | — | — | — |
| 40 | ILiAD Biotechnologies Developer of immunity-inducing vaccine for the prevention and treatment of pertussis 24Funding top 25%Moat top 36%Patents top 38%Innovation top 42% All 9 signals ▾Fundingtop 25% Moattop 36% Patentstop 38% Innovationtop 42% Newsbottom 49% Talentbottom 49% Globalbottom 36% Marketbottom 24% Techbottom 22% Funding: Raised $51.2M across 9 rounds · 9 rounds over 11 yrs (0.8/yr) Moat: Editorial + unicorn rating 5/10 · IP moat: 24 patents rank vs industry peers · Fliar Intelligence Index 24/100 | $51M | 4 mo ago | 8 | Keith Rubin Founder & CEO | — | 24 patents Patents concentrated in health & consumer products | 1 partnership |
| 41 | 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 | — | 2 patents Electrical load identification and disaggregation via waveform analysis for power monitoring | — |
| 42 | Lumos Diagnostics Provider of rapid point-of-care diagnostic test solutions 57Funding top 25%Partners top 31%News top 34%Growth top 38% All 8 signals ▾Fundingtop 25% Partnerstop 31% Newstop 34% Growthtop 38% Markettop 48% Moattop 48% Techbottom 46% Globalbottom 44% Funding: Raised $40.0M across 3 rounds · 3 rounds over 6 yrs (0.5/yr) Partners: 3 contract events in 12 mo · Named contractor/client in 3 deals rank vs industry peers · Fliar Intelligence Index 57/100 | $40M | 2 mo ago | 55 | — | 6 signals Contracts · Earnings · Regulatory | — | 1 partnership |
| 43 | SmartAC.com Provider of a platform for HVAC membership program management and growth 48Funding top 32%Partners top 32%Tech top 34%Growth top 35% All 11 signals ▾Fundingtop 32% Partnerstop 32% Techtop 34% Growthtop 35% Moattop 39% Producttop 40% Customerstop 49% Talentbottom 49% Newsbottom 39% Marketbottom 32% Globalbottom 29% Funding: Raised $38.6M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) Partners: 2 partnership announcements in 12 mo (2 in 24 mo) rank vs industry peers · Fliar Intelligence Index 48/100 | $39M | 2 mo ago | 34 | Josh Teekell Founder & CEO | — | — | — |
| 44 | 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 | — | — | — |
| 45 | 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%) · sector median +15% | Maddie Hall Co-Founder & CEO | 5 signals ▲67% Contracts | — | — |
| 46 | Affinity Biosensors Developer of rapid antimicrobial susceptibility testing devices for life sciences 27Funding top 27%Moat top 31%Talent bottom 49%Patents bottom 46% All 7 signals ▾Fundingtop 27% Moattop 31% Talentbottom 49% Patentsbottom 46% Innovationbottom 39% Globalbottom 36% Marketbottom 34% Funding: Raised $31.3M across 17 rounds · 17 rounds over 13 yrs (1.3/yr) Moat: Editorial + unicorn rating 7/10 · IP moat: 12 patents rank vs industry peers · Fliar Intelligence Index 27/100 | $31M | 2 mo ago | 21 | Ken Babcock CEO | — | 12 patents Rapid antimicrobial susceptibility testing via resonant mass and microchannel sensor technologies | — |
| 47 | Saphlux Developer of III-V Group-based semiconductor materials 40Talent top 15%Product top 25%Funding top 30%Moat top 32% All 9 signals ▾Talenttop 15% Producttop 25% Fundingtop 30% Moattop 32% Patentstop 38% Innovationtop 40% Techbottom 44% Globalbottom 40% Marketbottom 20% Talent: Analyst team rating 5/5 Product: 6 distinct product lines · Company stage: Series C rank vs industry peers · Fliar Intelligence Index 40/100 | $22M | 2 mo ago | 3 | — | — | 32 patents Micro-LED manufacturing processes and quantum‑dot integrated semiconductor display technologies. | 1 partnership |
| 48 | Trillium Renewable Chemicals Manufacturer of green acrylonitrile and acetonitrile from biorenewable feedstocks 19Funding top 29%Moat top 48%Talent bottom 49%Global bottom 38% All 6 signals ▾Fundingtop 29% Moattop 48% Talentbottom 49% Globalbottom 38% Newsbottom 33% Marketbottom 23% Funding: Raised $21.9M across 5 rounds · 5 rounds over 5 yrs (1.0/yr) Moat: Editorial + unicorn rating 5/10 · 9 curated direct competitors tracked rank vs industry peers · Fliar Intelligence Index 19/100 | $22M | 1 mo ago | 3 | Corey Tyree Founder & CEO | — | — | — |
| 49 | HELIXintel Provider of SaaS-driven maintenance management software for commercial spaces 45Growth top 28%Funding top 33%Global bottom 48%Product bottom 47% All 7 signals ▾Growthtop 28% Fundingtop 33% Globalbottom 48% Productbottom 47% Techbottom 46% Marketbottom 32% Newsbottom 27% Growth: Web rank 50,000,000 → 10,000,000 YoY · Fresh capital in last 24 mo Funding: Raised $21.4M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 45/100 | $21M | 2 mo ago | 28 | — | — | — | — |
| 50 | Rebound Developer of industrial cooling technology with built-in energy storage 27Funding top 32%Moat top 37%Talent top 38%Product bottom 45% All 9 signals ▾Fundingtop 32% Moattop 37% Talenttop 38% Productbottom 45% Innovationbottom 43% Patentsbottom 39% Globalbottom 39% Marketbottom 27% Newsbottom 24% Funding: Raised $17.9M across 16 rounds · 16 rounds over 11 yrs (1.5/yr) Moat: Editorial + unicorn rating 7/10 · IP moat: 8 patents rank vs industry peers · Fliar Intelligence Index 27/100 | $18M | 2 mo ago | 7 | Russell Goldfarbmuren Co-Founder & CTO | — | 8 patents Thermal energy recovery and heat pump technologies with smart inventory control | 1 job opening · 2 launchs |
Top 12 Sustainability Tech companies in United States
#1
Nexamp 🦄Series E · Boston, Massachusetts · founded 2007 · 331 employees$1.3Braised▾
Nexamp 🦄
Series E · Boston, Massachusetts · founded 2007 · 331 employees
Provider of community solar programs and energy solutions for businesses. It offers community solar subscriptions, enabling savings on electricity costs without rooftop panels. It delivers energy storage solutions and power purchase agreements for commercial users. It also offers community solar programs with no rooftop panels, sign-up fees, or long-term contracts, enabling savings on electricity costs. It focuses on clean energy asset development, customer acquisition, and management, minimizing risk for counterparties.
Fliar Intelligence Index™ 76how this company ranks against its industry peers
Funding
top 12%Tech
top 23%Moat
top 23%Talent
top 35%Market
top 38%Growth
top 43%Funding: Raised $1.3B across 12 rounds · 12 rounds over 16 yrs (0.8/yr) · Last round Conventional Debt (Apr 2026)
Tech: 42 technologies across 6/8 capability areas · Cloud: Cloudflare · Devops: Envoy
Moat: Editorial + unicorn rating 9/10 · Unicorn · 4 curated direct competitors tracked
Audience (LinkedIn): 42k LinkedIn followers — 2.5% of this cohort's audience · 55 engagements/post (1.5× cohort median)
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- Apr 2026Conventional Debt$200M
- Feb 2026Series E$180M
- Mar 2024Series E$520M
- Jun 2023Conventional Debt—
Founders & team
Investors
US Bank, MUFG, Generate Capital, Good Energies, RCG, PJC
Tech stack
Apple Icloud MailAwinBootstrapCloudflareCloudflare Bot ManagementCore-Js
#2
Series E · Carson City, Nevada · founded 2017 · 516 employees$1.9Braised▾
Series E · Carson City, Nevada · founded 2017 · 516 employees
Provider of repurposed battery packs for modular energy storage systems. It offers energy solutions by repurposing used battery packs into modular energy storage systems. The company recycles and refines lithium-ion batteries, recovering valuable materials. It focuses on creating scalable energy storage solutions by utilizing battery packs with remaining capacity. The company provides an alternative to traditional grid expansion by offering a lower-cost, faster path to energy storage.
Fliar Intelligence Index™ 82how this company ranks against its industry peers
Funding
top 11%News
top 15%Growth
top 25%Moat
top 26%Market
top 32%Product
top 41%Funding: Raised $1.9B across 9 rounds · 9 rounds over 9 yrs (1.0/yr) · Last round Series E (Jan 2026)
News: 16 BI events in 12 mo (of 108 tracked, 12 types) · +433% YoY · 5 high-value events (IPO/M&A/funding/contracts) in 12 mo
Growth: Fresh capital in last 24 mo
Audience (LinkedIn): 80k LinkedIn followers — 4.7% of this cohort's audience
Hiring (LinkedIn): 1 hiring post in 12 mo (public)
Activity (LinkedIn): 2 partnerships (incl. General Motors) announced in 12 mo
Funding rounds
- Jan 2026Series E$75M
- Oct 2025Series E$350M
- Aug 2023Series D$1B
- Feb 2023Conventional Debt$2B
Founders & team
Investors
Breakthrough Energy, Capricorn, The Climate Pledge, Goldman Sachs Asset Management, OMERS, Microsoft
Tech stack
Amazon SesAmazon Web ServicesApple Icloud MailCloudflareHstsHttp/3
#3
Gradiant 🦄Series E · Woburn, Massachusetts · founded 2013 · 900 employees$400Mraised▾
Gradiant 🦄
Series E · Woburn, Massachusetts · founded 2013 · 900 employees
Provider of industrial water treatment solutions and technologies. It offers end-to-end, turnkey treatment systems engineered to meet specific customer requirements. Services include water reduction, reclamation, and renewal, recovering valuable resources from wastewater. Custom chemical formulations are developed in-house to support these technologies. The company's solutions address various industrial sectors, focusing on minimizing environmental impact and optimizing water usage. Technologies include those for PFAS removal, lithium extraction, and green hydrogen production.
Fliar Intelligence Index™ 78how this company ranks against its industry peers
Patents
top 21%Moat
top 22%Funding
top 26%Innovation
top 29%Global
top 30%Market
top 33%Patents: 256 patents matched (strict assignee match) · 103 filings since 2022 vs 108 in 2017-21 · Latest publication 2026
Moat: Editorial + unicorn rating 9/10 · IP moat: 256 patents · Unicorn
Funding: Raised $400M across 3 rounds · 3 rounds over 11 yrs (0.3/yr) · Last round Series E (May 2026)
Audience (LinkedIn): 83k LinkedIn followers — 4.9% of this cohort's audience
Funding rounds
- May 2026Series E—
- Oct 2025Conventional Debt$50M
- May 2023Series D$225M
- Jun 2021Series C$104.8M
Founders & team
Investors
Warburg Pincus, SLB, Cranberry Capital, Centaurus Capital, BoltRock Holdings, HSBC
Tech stack
AlgoliaApache Http ServerApple Icloud MailBootstrapCloudflareCloudflare Bot Management
#4
Public · Skokie, Illinois · founded 2005 · 367 employees$869.3Mraised▾
Public · Skokie, Illinois · founded 2005 · 367 employees
Developer of technology converting carbon-rich gases into fuels and chemicals. The company provides solutions for energy security and economic strength. It transforms industrial emissions and gasified waste into ethanol. This ethanol serves as a building block for sustainable aviation fuel and chemical derivatives. The company partners with industries to capture and process carbon-rich gases.
Fliar Intelligence Index™ 78how this company ranks against its industry peers
Patents
top 10%Funding
top 17%News
top 25%Innovation
top 26%Moat
top 26%Product
top 29%Patents: 765 patents matched (strict assignee match) · 530 filings since 2022 vs 213 in 2017-21 · Latest publication 2026
Funding: Raised $869M across 21 rounds · 21 rounds over 21 yrs (1.0/yr) · Last round Post IPO (Jan 2026)
News: 25 BI events in 12 mo (of 124 tracked, 12 types) · +56% YoY · 10 high-value events (IPO/M&A/funding/contracts) in 12 mo
Audience (LinkedIn): 46k LinkedIn followers — 2.7% of this cohort's audience
Activity (LinkedIn): 2 partnerships · 1 awards · 1 expansions (incl. Novo Nordisk Foundation Biotechnology Research Institute for the Green Transition BRIGHT at DTU - Technical University of Denmark (DTU)) announced in 12 mo
Funding rounds
- Jan 2026Post IPO$20M
- Jun 2025Grant (prize money)$2.5M
- Apr 2025Grant (prize money)$1.9M
- Jan 2025Grant (prize money)$2.5M
Founders & team
Investors
DOE, Oak Ridge National Laboratory, University of Michigan, Sinopec Shanghai Petrochemical Company Limited, Malaysian Life Sciences Capital Fund, Khosla Ventures
Tech stack
Acquia Cloud PlatformAcquia Cloud Site FactoryAdobe AnalyticsAdobe Experience Platform Identity ServiceAdobe Experience Platform LaunchAkamai
#5
Series F · Boston, Massachusetts · founded 2016 · 124 employees$250Mraised▾
Series F · Boston, Massachusetts · founded 2016 · 124 employees
AI-powered weather intelligence platform using satellites for real-time forecasting. It combines satellite data, machine learning, and real-time atmospheric modeling to deliver hyperlocal forecasts and predictive insights. It helps industries like aviation, energy, logistics, and insurance anticipate weather risks and automate operational decisions.
Fliar Intelligence Index™ 89how this company ranks against its industry peers
Funding
top 16%Customers
top 25%AI
top 26%Moat
top 26%Product
top 27%Tech
top 28%Funding: Raised $250M across 4 rounds · 4 rounds over 9 yrs (0.4/yr) · Last round Series F (May 2026)
Customers: Play-Store rating 4.57★ across 25,899 ratings (2 apps) · Review volume +2% in 6 mo · Marquee-customer mentions: top 30% of tracked companies
AI: Classified as an AI company · Product described with: ai-powered, machine learning
Audience (LinkedIn): 31k LinkedIn followers
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- May 2026Series F$35M
- Feb 2026Series F$175M
- Sep 2023Series E—
- Jun 2023Series E$87M
Founders & team
Investors
Stonecourt Capital, Highland Capital Partners, Activate Capital, Lumir Ventures, MoreTech Ventures, Shavit Capital
Tech stack
AlgoliaAmazon CloudfrontAmazon S3Amazon Web ServicesAppcuesChart.Js
#6
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 — 4.0% 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
#7
Series B · Concord, Massachusetts · founded 2005 · 250 employees$1Braised▾
Series B · Concord, Massachusetts · founded 2005 · 250 employees
Provider of recyclable waste management services
Fliar Intelligence Index™ 55how this company ranks against its industry peers
Funding
top 28%Talent
top 38%Tech
top 42%Moat
top 45%Market
top 46%Patents
top 50%Funding: Raised $1.0B across 2 rounds · 2 rounds over 8 yrs (0.2/yr) · Last round Series B (Jan 2026)
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Tech: 43 technologies across 3/8 capability areas · Cloud: Cloudflare · Security: Cloudflare Bot Management, Hsts
Audience (LinkedIn): 20k LinkedIn followers · 58 engagements/post (1.6× cohort median)
Activity (LinkedIn): 1 partnerships · 1 expansions (incl. Mamosoft Corporation) announced in 12 mo
Funding rounds
- Jan 2026Series B—
- Mar 2023Series B$1B
- Jul 2018Series A$3.8M
Founders & team
Investors
Ara Partners, Enbridge, Wittington Investments, MissionPoint Partners, Target Accelerators
Tech stack
Alpine.JsApple Icloud MailCdnjsCloudflareCloudflare Bot ManagementCookiebot
#8
Series C · Mesa, Arizona · founded 2020 · 295 employees$170.7Mraised▾
Series C · Mesa, Arizona · founded 2020 · 295 employees
Provider of carbon accounting and sustainability management platform for businesses. The platform offers tools for carbon footprint measurement, analytics, and sustainability reporting. It supports regulatory emissions reporting, stakeholder emissions reporting, and decarbonization management. The platform also provides features for scope 3 supplier engagement and financed emissions accounting. It includes AI-powered capabilities for anomaly detection and emission factor mapping.
Fliar Intelligence Index™ 55how this company ranks against its industry peers
Funding
top 24%Growth
top 35%Moat
top 35%Product
top 36%Talent
top 38%Tech
top 40%Funding: Raised $171M across 6 rounds · 6 rounds over 6 yrs (1.0/yr) · Last round Series C (Apr 2026)
Growth: Fresh capital in last 24 mo
Moat: Editorial + unicorn rating 8/10 · IP moat: 3 patents · Soonicorn
Audience (LinkedIn): 30k LinkedIn followers
Activity (LinkedIn): 1 product launches · 1 awards announced in 12 mo
Funding rounds
- Apr 2026Series C$4.3M
- Apr 2025Series C$23M
- Aug 2023Series C$52.7M
- Oct 2021Series B$101M
Founders & team
Investors
Rice Investment Group, Carnrite Group, NGP Energy Technology Partners, Sallyport Investments, The Rise Fund, Prelude Ventures
Tech stack
AmplitudeAtlassian StatuspageCloudflareCloudflare Bot ManagementCookiebotCore-Js
#9
Funding Raised · Washington, District of Columbia · founded 1999 · 336 employees$584.9Mraised▾
Funding Raised · Washington, District of Columbia · founded 1999 · 336 employees
The District of Columbia Housing Authority (DCHA) is dedicated to enhancing the quality of life in the District of Columbia by providing and effectively managing affordable housing which is diverse, well maintained, and aesthetically pleasing for those whose circumstances prevent them from competing in the general marketplace. The District of Columbia Housing Authority seeks to achieve the highest and best use of that housing for people of low and moderate income through the promotion of economic development and self-sufficiency opportunities and the facilitation of other supportive services. To find out more about DCHA, click on the links below:
Fliar Intelligence Index™ 69how this company ranks against its industry peers
Funding
top 31%Market
top 35%Growth
top 35%Tech
bottom 45%Global
bottom 25%Funding: Raised $585M across 71 rounds · 71 rounds over 21 yrs (3.4/yr) · Last round Grant (prize money) (Dec 2025)
Market: 336 employees (top 14% of Sustainability Tech) · Top-5,000,000 web property
Growth: Fresh capital in last 24 mo
Audience (LinkedIn): 4k LinkedIn followers
Funding rounds
- Dec 2025Grant (prize money)$993.1K
- Nov 2025Grant (prize money)$10.9M
- Sep 2025Grant (prize money)$4M
- Sep 2025Grant (prize money)$11.7M
Investors
Hud Exchange
Tech stack
Apple Icloud MailBootstrapCloudflareCloudflare Bot ManagementDatatablesDigicert
#10
Series B · New York City, New York · founded 2015 · 30 employees$503.9Mraised▾
Series B · New York City, New York · founded 2015 · 30 employees
Online platform for funding solar projects. It is financing and investing entity that offers a platform for individual investors as well as institutional investors to invest in clean energy projects. It identifies, screens, and manages clean energy projects for its investors. Additionally, it offers both equity and debt investments in operating clean energy projects.
Fliar Intelligence Index™ 60how this company ranks against its industry peers
Funding
top 18%Talent
top 28%Growth
top 29%Moat
top 31%Product
top 40%Innovation
top 43%Funding: Raised $504M across 5 rounds · 5 rounds over 11 yrs (0.5/yr) · Last round Conventional Debt (Jan 2026)
Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
Growth: Headcount 15 → 30 (+100%) across vintages · 3 acquisition/expansion moves in 24 mo · Fresh capital in last 24 mo
Audience (LinkedIn): 31k LinkedIn followers
Funding rounds
- Jan 2026Conventional Debt$300M
- Jun 2023Series B$500M
- May 2022Conventional Debt$200M
- Apr 2019Series A—
Founders & team
Investors
Rabobank, Seedinvest, Manulife, BlackRock, Infranity, Lorentzen Investments
Tech stack
AddtoanyAddtoany Share ButtonsApple Icloud MailCdnjsCloudflareCloudflare Bot Management
#11
Public · Vancouver, Washington · founded 2002 · 12 employees$249.7Mraised▾
Public · Vancouver, Washington · founded 2002 · 12 employees
Developer of humanized monoclonal antibodies for the treatment and prevention of HIV infection. It offers lead candidate, PRO 140,for HIV with demonstrated antiviral activity in men. PRO 140 blocks the HIV co-receptor CCR5 on T-cells that prevent viral entry.
Fliar Intelligence Index™ 32how this company ranks against its industry peers
Funding
top 17%Growth
top 35%Patents
top 36%Innovation
top 44%Moat
bottom 49%Global
bottom 36%Funding: Raised $250M across 23 rounds · 23 rounds over 17 yrs (1.4/yr) · Last round Post IPO (Mar 2026)
Growth: Fresh capital in last 24 mo
Patents: 107 patents matched (strict assignee match) · 25 filings since 2022 vs 49 in 2017-21 · Latest publication 2025
Audience (LinkedIn): 4k LinkedIn followers · 65 engagements/post (1.8× cohort median)
Activity (LinkedIn): 1 partnerships (incl. Natera) announced in 12 mo
Funding rounds
- Mar 2026Post IPO$17.5M
- Jan 2026Post IPO$18.6M
- Apr 2022Post IPO$1.9M
- Dec 2021Post IPO$11.4M
Investors
Cool Blue Capital, Centrecourt Asset Management, 4-Good Ventures
Tech stack
Amazon Web ServicesApache Http ServerApple Icloud MailBootstrapFancyboxGoogle Analytics
#12
Series D · Houston, Texas · founded 2020 · 44 employees$100Mraised▾
Series D · Houston, Texas · founded 2020 · 44 employees
AI and cloud-driven platform offering microgrids to provide electricity to off-grid areas. It offers solutions that include trailer-mounted custom-engineered switchgear, trailer-mounted Genset, and trailer-mounted energy storage system. The AI-driven platform allows users to track emissions, costs, power usage, equipment diagnostics, equipment operation, and more.
Fliar Intelligence Index™ 74how this company ranks against its industry peers
Funding
top 18%News
top 20%Growth
top 25%Moat
top 28%Partners
top 29%Innovation
top 32%Funding: Raised $100M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) · Last round Series D (May 2026)
News: 8 BI events in 12 mo (of 17 tracked, 4 types) · +167% YoY · 8 high-value events (IPO/M&A/funding/contracts) in 12 mo
Growth: Fresh capital in last 24 mo
Audience (LinkedIn): 18k LinkedIn followers
Funding rounds
- May 2026Series D$775M
- Nov 2025Conventional Debt$5B
- Jul 2022Conventional Debt$60M
- Dec 2021Series C$100M
Founders & team
Investors
BMO, Export Development Canada, Carnelian Energy Capital, Pilot Company, CPP Investments, Longbow Capital
Tech stack
Amazon Web ServicesApple Icloud MailCloudflareCloudflare Bot ManagementCloudflare TurnstileContact Form 7
Funding & investor landscape
$108.3Btotal disclosed funding
2,802companies funded
11,744disclosed rounds
42rounds last 90 days
Most active investors
Notable founders
Zaid Ashai
CEO · Nexamp
Jb Straubel
founder · Redwood Materials
Anurag Bajpayee
Co-Founder & CEO · Gradiant
Sean Simpson
Co-Founder · LanzaTech
Jennifer Holmgren
CEO · LanzaTech
Hagit Messer
Co-Founder · Tomorrow.io
Itai Zlotnik
CCO · Tomorrow.io
Jack Norbeck
Co-Founder and CTO · Fervo Energy
Tim Latimer
Co-Founder · Fervo Energy
Ryan Begin
Co-Founder & CEO · Divert
Bob Watkins
Chief Operating Officer · Divert
Jason Offerman
President · Persefoni
Prism market signals · United States · country-scoped Prism corpus, 1,947,485 docs
Market landscape — 10 sub-themes by coverage
Share of Sustainability Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
RESEARCH SIGNALS · United States
How research on Climate Adaptation is moving in the United States
A read on the academic research around Climate Adaptation — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,953 United States-affiliated papers.
research sentiment over time
200820172026
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and intensifying — the enthusiastic (strongly-positive) share moved 4% → 14% across 2008–2026.
top research entities
- Columbia University52
- University of North Carolina at Chapel Hill43
- Arizona State University42
- Texas A&M University42
- Purdue University West Lafayette35
leading researchers
Wesley E. Highfield · Samuel D. Brody · Carol J. Friedland · Rubayet Bin Mostafiz · İbrahim Demir · Robert V. Rohli · Arefeh Safaei-moghadam · Hanadi S. Rifai
▲
Breakthroughs162 · 8%
▲ 5%→9% share
▲1.8× share momentum0 median citations81% since 2021mostly methods-led
Flood-myth research is surging as a breakthrough topic — papers jumped from 4 to 56, signaling rapid new discovery.
rising sub-themes (early→recent)
- Flood myth4→56
- Climate change6→47
- Flooding (psychology)2→23
- Climate resilience1→16
- Flood mitigation2→14
Newly emergingResilience (materials science) 0→32 · Coastal flood 0→9 · Flood risk assessment 0→8
Landmark Hedging Climate Risk · 410 cites
◆
Advancements578 · 30%
▼ 34%→28% share
▼0.8× share momentum1 median citations70% since 2021mostly empirical
Climate-change advancement research is intensifying — papers rose from 35 to 155 within advancements segment.
rising sub-themes (early→recent)
- Flood myth50→178
- Climate change35→155
- Flooding (psychology)18→97
- Resilience (materials science)10→84
- Psychological resilience12→55
Newly emergingCorporate governance 0→18 · Green infrastructure 0→16 · Portfolio 0→13
Landmark Hedging Climate Change News · 1,238 cites
▼
Concerns925 · 47%
▲ 44%→48% share
▲1.1× share momentum0 median citations75% since 2021mostly empirical
Resilience (materials science) concern papers quadrupled from 17 to 139, flagging escalating structural-durability worries.
rising sub-themes (early→recent)
- Climate change71→449
- Resilience (materials science)17→139
- Flood myth36→158
- Psychological resilience13→115
- Climate resilience14→92
Newly emergingEquity (law) 0→27 · Psychological intervention 0→19 · Global warming 0→18
Landmark The Importance of Climate Risks for Institutional Investors · 2,497 cites
RESEARCH HOTSPOTS · United States
Where climate adaptation 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.
New York101 · +0.07
Boston68 · +0.08
SF Bay Area64 · +0.03
Pittsburgh30 · +0.11
Seattle29 · +0.09
Los Angeles22 · +0.12
Philadelphia22 · +0.24
Ann Arbor19 · +0.23
Austin17 · +0.40
San Diego15 · +0.15
PATENT SIGNAL · United States
Who's filing climate adaptation patents in the United States
United States climate adaptation patent filing is cooling — 28 filings from 19 assignees (2016–2025), led by ILC Dover, Garcia Rogerio, Serralta Denset; annual filings 6→1.
28 filings19 assigneespeak 6/yr2016–2025
filing momentum (YoY 2016–2025)
top patent filers
- ILC Dover20
- Garcia Rogerio4
- Serralta Denset4
- Zesty AI2
- Yodock GUY1
- Mckee TONY RAY1
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Common questions
How many Sustainability Tech companies are there in United States?
Radar tracks 7658 indexable Sustainability Tech companies headquartered in United States that meet our profile-completeness bar.
What is the total funding raised by Sustainability Tech companies in United States?
The Sustainability Tech companies in United States on this list have raised a combined $108.3B in disclosed equity funding across 2802 funded companies.
Which is the highest-funded Sustainability Tech company in United States?
View is the highest-funded Sustainability Tech company in United States, with $3.5B in disclosed equity funding.
How many Sustainability Tech companies in United States are funded?
2802 of the 7658 Sustainability Tech companies in United States on this list have disclosed at least one equity funding round.
How many Sustainability Tech unicorns are there in United States?
26 Sustainability Tech companies in United States on this list are valued at $1B or more.
Who are the top investors in United States Sustainability Tech companies?
The most active investors in United States Sustainability Tech companies on this list include HHS, OSTI, National Science Foundation, Hud Exchange, DOE.
Riya SenguptaFinancials
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.