Best Environment Tech Companies in Delaware, United States
The 39 best Environment Tech companies in Delaware, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Resideo.
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.
Ranked: Best Environment Tech companies in Delaware
| # | Company | Disclosed funding | Last round | Stage | Founder | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Resideo Provider of smart home solutions for security, air, water, and energy | $500M | 28 mo ago | Public | Jay Geldmacher CEO & President | 2018 | Cart FunctionalityApple iCloud MailMicrosoft 365+28 | 71 patents Smart HVAC, IoT home security, low-power networking, and signal‑jamming mitigation solutions | 1 award |
| 2 | Viridi Provider of renewable natural gas platform to manage energy | $320M | 51 mo ago | Series D | Andrew Kelleher CEO | 2022 | GSAPApache HTTP ServerCloudflare+8 | — | — |
| 3 | Ardent Technology solution for carbon capture 32Funding top 18%Moat top 38%Patents top 45%Talent bottom 49% All 8 signals ▾Fundingtop 18% Moattop 38% Patentstop 45% Talentbottom 49% Techbottom 47% Innovationbottom 46% Globalbottom 40% Marketbottom 29% Funding: Raised $74.3M across 66 rounds · 66 rounds over 22 yrs (3.0/yr) Moat: Editorial + unicorn rating 4/10 · IP moat: 22 patents rank vs industry peers · Fliar Intelligence Index 32/100 | $74M | 9 mo ago | Series B | Erica Nemser CEO | 1993 | Webflow EcommerceWebflowcore-js+13 | 22 patents Patents concentrated in chemistry & materials | — |
| 4 | Graphyte Developer of durable and scalable carbon dioxide removal technology | $38M | 25 mo ago | Series A | Barclay Rogers Co-Founder & Chief Executive Officer | 2023 | WixSentryEnvoy+17 | 8 patents Patents concentrated in transport & manufacturing processes | — |
| 5 | AirJoule Technologies Developer of sorption technologies for water production, recovery, cooling, and control | $15M | 16 mo ago | Public | Abe Mammen Co-Founder | 2018 | WordPress Block EditorWordPressApple iCloud Mail+21 | — | — |
| 6 | Vema Developer of engineered mineral hydrogen production technology | $13M | 18 mo ago | Seed | Florian Osselin Co-Founder & CSO | 2024 | — | 2 patents Patents concentrated in health & consumer products | 1 award |
| 7 | 639 Solar Data Centers + Cloud Provider of energy management solutions for data centers 42Funding top 36%Talent bottom 45%Global bottom 25% All 3 signals ▾Fundingtop 36% Talentbottom 45% Globalbottom 25% Funding: Raised $10.1M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) Talent: 1 named leader on record rank vs industry peers · Fliar Intelligence Index 42/100 | $10M | 9 mo ago | Series B | Tim Shaler Chief Executive Officer | 2021 | — | — | — |
| 8 | RiKarbon Developer of renewable oils and ingredients from non-conventional carbon feedstocks | $8M | 34 mo ago | Funding Raised | — | 2018 | — | 9 patents Upcycling PET waste into bio-based oils and polymers via depolymerization/repolymerization processes. | — |
| 9 | Carbon Reform Provider of carbon capture and building decarbonization solutions. | $3M | 34 mo ago | Seed | Jo Norris Co-Founder | 2020 | — | — | — |
| 10 | Terum Online platform offering solutions for carbon footprint awareness | $500K | 45 mo ago | Seed | — | 2021 | — | — | — |
| 11 | Power Transition Developer of electricity transmission based projects | $324K | 75 mo ago | Seed | — | 2018 | — | — | — |
| 12 | KFOBIX Provider of patented nanocomposite coating that repels water droplets | $275K | 35 mo ago | Seed | Mustafa Isen CEO | 2022 | — | — | — |
| 13 | Lumilant Developer of lighting products focused on energy efficiency and sustainability | $150K | 138 mo ago | Funding Raised | Ahmed Sharkawy Founder & CTO | 2010 | — | 11 patents Integrated photonic routing and advanced optical filtering using photonic crystal gratings | — |
| 14 | Bynry AI-powered smart utility management SaaS platform | $100K | 61 mo ago | Seed | Nilesh Gudhe Founder | 2016 | Radix UITailwind CSSshadcn/ui+14 | — | — |
Top 12 Environment Tech companies in Delaware
#1
Series B · New Castle, Delaware · founded 1993 · 20 employees$74.3Mraised▾
Technology solution for carbon capture. It offers scalable membrane solutions to accelerate decarbonization in industries by harnessing membrane technology.
- Nov 2025Series B$10.3M
- Jun 2021Grant (prize money)$250K
- Sep 2019Grant (prize money)$147.7K
- Jul 2019Grant (prize money)$106.5K
#2
Series B · Claymont, Delaware · founded 2021$10.1Mraised▾
Provider of energy management solutions for data centers. It has a design for solar-powered data centers, addressing the global datacenter energy shortage and extending uptime.
- Nov 2025Series B$954K
- Jun 2025Series B$300K
- Mar 2024Series B$10.1M
#3
Public · Newark, Delaware · founded 2018$15Mraised▾
Developer of sorption technologies for water production, recovery, cooling, and control. The company provides solutions for harvesting atmospheric moisture to produce clean water. It also offers systems for water recovery from industrial processes. Its cooling systems improve efficiency and reduce energy costs. Additionally, it provides moisture control solutions to prevent corrosion and improve quality in manufacturing.
- Apr 2025Post IPO$15M
#4
Public · Wilmington, Delaware · founded 2018 · 14000 employees$500Mraised▾
Provider of smart home solutions for security, air, water, and energy. The company offers products such as thermostats, security systems, leak detectors, and air purifiers. These products provide home efficiencies, security, life safety, and promote well-being. The company also offers mobile applications to control, monitor, and support connected home products.
- Apr 2024Post IPO$500M
#5
Seed · Wilmington, Delaware · founded 2024$13Mraised▾
Developer of engineered mineral hydrogen production technology. This technology stimulates naturally occurring subsurface reactions to create hydrogen in a controlled and scalable manner. The process utilizes catalysts and optimized field placement to achieve cost-effective hydrogen production. It offers a sustainable and environmentally friendly alternative to traditional hydrogen production methods. The technology is designed for predictable and adaptable hydrogen flows to meet market demands.
- Feb 2025Seed$13M
#6
Series A · Dover, Delaware · founded 2023 · 6 employees$37.8Mraised▾
Developer of durable and scalable carbon dioxide removal technology. It uses readily available biomass, such as agricultural and timber residues, to create dense carbon blocks. These blocks are protected by an impermeable barrier and stored underground, preventing decomposition and ensuring long-term carbon sequestration. The process is energy-efficient and leverages natures carbon capture mechanisms, offering a cost-effective solution for large-scale carbon removal. The technology is designed for immediate scalability and provides a pathway for significant carbon dioxide removal.
- Jul 2024Series A$37.8M
#7
Series D · Wilmington, Delaware · founded 2022 · 14 employees$320Mraised▾
Provider of renewable natural gas platform to manage energy. It offers a full service renewable natural gas platform to build, own and operate RNG assets with landfill, dairy, and food waste feedstocks. It captures and converts natural biogas to reduce carbon emission and manage air quality. It assists organizations in strategy development, financing, operations management, and more.
- Jun 2022Series D$320M
#8
Funding Raised · Newark, Delaware · founded 2018 · 7 employees$7.6Mraised▾
Developer of renewable oils and ingredients from non-conventional carbon feedstocks. The company creates bio-based oils for environmentally-regulated applications and safer skin care product formulations. It utilizes plant matters and non-conventional feedstock to produce renewable ingredients. The company’s synthetic strategy focuses on designer renewable oils with durability and stability.
- Oct 2023Grant (prize money)—
- Jul 2023Grant (prize money)$200K
- Jul 2021Grant (prize money)$1.1M
- Feb 2021Grant (prize money)$2.5M
#9
Seed · Wilmington, Delaware · founded 2020 · 7 employees$3Mraised▾
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- Nov 2023Conventional Debt$5.5M
- Nov 2022Seed$3M
#10
Seed · Dover, Delaware · founded 2022$275Kraised▾
Provider of patented nanocomposite coating that repels water droplets. It provides superhydrophobic solutions for the blades of the turbines to not hold water and not freeze.
- Sep 2023Seed$275K
#11
Seed · Middletown, Delaware · founded 2021 · 11 employees$500Kraised▾
Online platform offering solutions for carbon footprint awareness. It connects users locally and globally to build communities. Its mobile app is available for iOS and Android devices.
- Nov 2022Seed$500K
#12
Seed · Dover, Delaware · founded 2018 · 4 employees$323.8Kraised▾
Developer of electricity transmission based projects
- May 2020Seed$323.8K
Funding & investor landscape
Notable founders
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
How research on Environmental Monitoring is moving in the United States
A read on the academic research around Environmental Monitoring — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 3,039 United States-affiliated papers.
- United States Geological Survey157
- Cary Institute of Ecosystem Studies112
- Environmental Protection Agency84
- National Research Council79
- National Park Service76
- Software deployment2→31
- Pollution3→27
- Air quality index1→25
- Water quality10→34
- Air pollution3→25
- Air quality index14→60
- Air pollution8→51
- Pollutant4→32
- Sampling (signal processing)14→42
- Water quality23→48
- Human health1→32
- Pollution4→33
- Air quality index6→31
- Pollutant6→28
- Biodiversity1→22
Where environmental monitoring is researched across United States
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Who's filing environmental monitoring patents in the United States
United States environmental monitoring patent filing is accelerating — 450 filings from 343 assignees (2016–2025), led by LEEO, Valencell, United Parcel Service; annual filings 47→49.
- LEEO41
- Valencell25
- United Parcel Service21
- Honeywell INT20
- Apple18
- Venturedyne18
- Pillar TECH17
- IND Scient16
Common questions
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.