Best Sustainability Tech Companies in District of Columbia, United States
The 60 best Sustainability Tech companies in District of Columbia, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: District of Columbia.
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.
Ranked: Best Sustainability Tech companies in District of Columbia
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Stage | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 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 | 6 mo ago | 336 | — | WordPressApple iCloud MailMicrosoft 365+17 | Funding Raised | — | — |
| 2 | Arcadia 🦄 Provider of clean energy data platform and solutions for businesses. 69Tech top 12%News top 14%Funding top 19%Growth top 23% All 11 signals ▾Techtop 12% Newstop 14% Fundingtop 19% Growthtop 23% Moattop 28% Producttop 34% Talenttop 37% Innovationbottom 49% Patentsbottom 48% Globalbottom 48% Marketbottom 38% Tech: 58 technologies across 7/8 capability areas · Cloud: Amazon Alb, Amazon Cloudfront News: 7 BI events in 12 mo (of 187 tracked, 14 types) · +250% YoY rank vs industry peers · Fliar Intelligence Index 69/100 | $554M | 27 mo ago | 2 | Kate Henningsen Co-Founder And Chief Operations Officer | SentryAtlassian StatuspageZendesk+23 | Series D | 11 patents Medical imaging foot devices and electronic health record management software | — |
| 3 | Love funding Provider of real estate loans | $466M | 113 mo ago | 71 | — | — | Acquired | — | — |
| 4 | 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 | 5 mo ago | — | Varun Sivaram Founder & CEO | Webflow EcommerceWebflowGSAP+11 | Seed | — | 3 partnerships · 1 award |
| 5 | Blue Whale Materials Provider of lithium-ion battery recycling and critical materials reclamation services | $55M | 21 mo ago | 8 | Robert Kang Co-Founder & CEO | Squarespace CommerceSquarespaceTypeScript+14 | Funding Raised | — | 1 job opening |
| 6 | Sparkfund Subscription-based energy as a service provider | $50M | 67 mo ago | 62 | Pier LaFarge Founder & CEO | HubSpot CMS HubSalesforceLinkedin Insight Tag+15 | Series C | — | 1 job opening · 1 partnership |
| 7 | Aquicore Provider of SaaS-driven ESG data and analytics platform for the real estate industry | $49M | 71 mo ago | 62 | — | — | Acquired | 3 patents IoT-enabled building energy monitoring, diagnostics, and web-based metering systems | — |
| 8 | SparkMeter Provider of smart metering solutions for energy service delivery and management | $42M | 31 mo ago | 14 14 → 13 (-7%) | Allison Archambault Co-founder | WeeblyMySQLPHP+20 | Series A | 3 patents High‑capacity wireless mesh networking for data transport and routing | — |
| 9 | FINCA Impact Finance Provider of financial services aimed at poverty reduction and resilience | $35M | 74 mo ago | 348 | Andree Simon CEO | WordPressMySQLPHP+18 | Funding Raised | — | — |
| 10 | ICCT Non-profit organisation focused to improve environmental performance and energy efficiency for transportation… 57Innovation top 30%Growth top 35%Tech top 41%Funding top 49% All 7 signals ▾Innovationtop 30% Growthtop 35% Techtop 41% Fundingtop 49% Productbottom 48% Marketbottom 43% Globalbottom 29% Innovation: 3 product lines Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 57/100 | $26M | 15 mo ago | 153 | — | WordPressApple iCloud MailMicrosoft 365+38 | Funding Raised | — | — |
| 11 | Cortex AI-driven building energy management solution for commercial spaces | $11M | 62 mo ago | 33 | — | — | Series A | 23 patents Cardiac arrhythmia source mapping and impedance‑guided pulsed‑field ablation navigation | — |
| 12 | GHG Protocol Online platform offering emission management solutions | $9M | 39 mo ago | — | Tigran Alekyan Founder | DrupalMariaDBPHP+22 | Funding Raised | — | — |
| 13 | MOLG Provider of robotic microfactories and design services for circular manufacturing | $6M | 6 mo ago | 8 | Rob Lawson-Shanks CEO and Co-founder | WebflowTypekitcore-js+10 | Series A | — | — |
| 14 | Kubik Manufacturer of low-carbon plastic waste construction material for construction industry | $5M | 26 mo ago | 9 | — | Cart FunctionalitySquarespace CommerceSquarespace+14 | Seed | — | — |
| 15 | Pingthings AI-driven platform offering solutions for predictive analytics for managing assets in the utility industry | $4M | 57 mo ago | 31 | Sean Murphy Founder & CEO | BootstrapAmazon Web ServicesLazySizes+13 | Seed | — | — |
| 16 | Rhizome Developer of an AI-powered software platform for climate risk assessment | $4M | 15 mo ago | — | Mishal Thadani CEO | — | Seed | — | — |
| 17 | Nexgrid Smart grid solutions provider optimizing energy efficiency and utility operations | $3M | 141 mo ago | 24 | Costa Apostolakis President & Founder | — | Seed | 5 patents Patents concentrated in electrical & electronics | — |
| 18 | Jasmine Provider of solutions for renewable energy credits | $3M | 7 mo ago | 8 | — | — | Seed | 6 patents Patents concentrated in transport & manufacturing processes | — |
| 19 | 60 Degrees Pharmaceuticals Provider of therapeutics for the treatment and prevention of tropical infectious diseases | $2M | 37 mo ago | 3 | Geoffrey Dow Founder & CEO | DrupalPHPAmazon Web Services+31 | Public | — | 1 launch |
| 20 | Rakta Therapeutics Anti-parasitic drugs that specifically target the parasite's variation of HRG1 and HRG3 transporters | $1M | 120 mo ago | — | Iqbal Hamza Founder | — | Funding Raised | — | — |
| 21 | FINCA Not-for-profit association provides microfinancing services | $654K | 16 mo ago | 106 | Robert W. Hatch Co-Founder | WordPress Site EditorWordPressMySQL+33 | Funding Raised | — | 1 partnership · 1 award |
Top 12 Sustainability Tech companies in District of Columbia
#1
Funding Raised · Washington, District of Columbia · founded 1999 · 336 employees$584.9Mraised▾
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:
- Dec 2025Grant (prize money)$993.1K
- Nov 2025Grant (prize money)$10.9M
- Sep 2025Grant (prize money)$4M
- Sep 2025Grant (prize money)$11.7M
#2
Seed · Washington, DC, District of Columbia · founded 2024$66.5Mraised▾
Developer of a platform optimizing power grids and artificial intelligence infrastructure. The platform facilitates data centers flexible power demand, transforming them into grid partners. It unlocks capacity on existing grid infrastructure to power artificial intelligence. The platform connects utilities and data centers in real time. It enables data centers to respond to grid signals and orchestrates compute alongside onsite energy. The platform verifies performance, establishing data centers as grid resources.
- Feb 2026Seed$25M
- Jul 2025Seed$34.2M
- Nov 2024Seed$7.3M
#3
Series A · Washington, DC, District of Columbia · founded 2021 · 8 employees$5.5Mraised▾
Provider of robotic microfactories and design services for circular manufacturing. The company’s robotic microfactories disassemble electronic devices, recovering components for reuse, remanufacturing, or recycling. Unlike destructive processes, the technology maximizes reuse potential across brands and product categories. The company also collaborates with manufacturers to design electronics optimized for circularity. Their software generates assembly methods, enabling scalable products designed with their entire lifecycle in mind. The company offers an open standard for device, component, and material traceability, enabling detailed tracking from manufacturing to de-manufacturing.
- Dec 2025Series A$29.1M
- Feb 2025Seed$4.5M
- Nov 2024Grant (prize money)$5M
- Mar 2024Seed$5.5M
#4
Funding Raised · Washington, DC, District of Columbia · founded 2001 · 153 employees$26.2Mraised▾
Non-profit organisation focused to improve environmental performance and energy efficiency for transportation sectors
- Apr 2025Grant (prize money)$350K
- Jan 2020Grant (prize money)$159.9K
- Dec 2019Grant (prize money)—
- Jan 2019Grant (prize money)$136.6K
#5
Seed · Washington, DC, District of Columbia · founded 2022 · 8 employees$2.6Mraised▾
Provider of solutions for renewable energy credits. It offers a platform to buy and sell climate assets, tokenize, and more.
- Dec 2025Conventional Debt$25M
- Sep 2022Seed$2.5M
- 2022Seed$500K
#6
Arcadia 🦄Series D · Washington, DC, District of Columbia · founded 2014 · 2 employees$554.5Mraised▾
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- Apr 2024Conventional Debt$30M
- Mar 2024Series D$50M
- 2023Series D—
- Dec 2022Series D$128.5M
#7
Funding Raised · Washington, DC, District of Columbia · founded 2015 · 8 employees$55Mraised▾
Provider of lithium-ion battery recycling and critical materials reclamation services. The company’s technology reclaims cobalt, nickel, and lithium from spent batteries. It offers processing technology for safely discharging batteries and reclaiming critical minerals. Subsidiary provides battery testing and evaluation services, including performance and abuse testing.
- Sep 2024Grant (prize money)$55M
#8
Seed · Washington, DC, District of Columbia · founded 2022$3.5Mraised▾
Developer of an AI-powered software platform for climate risk assessment. The platform helps electric utilities identify vulnerabilities from climate hazards. It quantifies risk and measures the benefits of asset investments. The software ensures infrastructure and communities are protected against extreme weather threats.
- Apr 2025Seed$9.8M
- Jul 2024Seed$1M
- Oct 2023Seed$2.5M
#9
Series A · Washington, DC, District of Columbia · founded 2013 · 14 employees$41.6Mraised▾
Provider of smart metering solutions for energy service delivery and management. It facilitates sustainable smart metering solutions and business models with sector stakeholders. The organization ensures the continuity of critical infrastructure for high-quality energy services. It works to ensure open collaboration with stakeholders in the sector.
- Nov 2023Series A$5M
- Mar 2022Series A$10M
- 2021Series A—
- Aug 2020Series A$12M
#10
Funding Raised · Washington, DC, District of Columbia · founded 1984 · 106 employees$654.2Kraised▾
Not-for-profit association provides microfinancing services
- Mar 2025Grant (prize money)$11.8K
- Feb 2013Grant (prize money)$88.1K
- May 2012Grant (prize money)$466.2K
- Aug 2007Grant (prize money)$88.1K
#11
Acquired · Washington, DC, District of Columbia · founded 1997 · 71 employees$465.6Mraised▾
Provider of real estate loans
- Jan 2017Conventional Debt$17.3M
- Sep 2016Conventional Debt$51M
- Sep 2016Conventional Debt$10.2M
- Sep 2016Conventional Debt$85.5M
#12
Seed · Washington, DC, District of Columbia · founded 2021 · 9 employees$5.2Mraised▾
Manufacturer of low-carbon plastic waste construction material for construction industry
- Apr 2024Seed$1.9M
- Dec 2022Seed$3.3M
Funding & investor landscape
Notable founders
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
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.
- Columbia University52
- University of North Carolina at Chapel Hill43
- Arizona State University42
- Texas A&M University42
- Purdue University West Lafayette35
- Flood myth4→56
- Climate change6→47
- Flooding (psychology)2→23
- Climate resilience1→16
- Flood mitigation2→14
- Flood myth50→178
- Climate change35→155
- Flooding (psychology)18→97
- Resilience (materials science)10→84
- Psychological resilience12→55
- Climate change71→449
- Resilience (materials science)17→139
- Flood myth36→158
- Psychological resilience13→115
- Climate resilience14→92
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.
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.
- ILC Dover20
- Garcia Rogerio4
- Serralta Denset4
- Zesty AI2
- Yodock GUY1
- Mckee TONY RAY1
- Ballard Tristan1
- Cooper Matthew1