28 GreenTech companies in United States

28 GreenTech companies in United States with 62 founders and decision-makers, led by New York. 44 verified founder emails. Updated 2026-10-03.

Key findings

• FindMeMail tracks 28 GreenTech companies in United States, with 62 founders and decision-makers listed.
• New York is the top city, with 3 of them (11%), followed by San Francisco (2).
• The most common team size is 1-10 employees (93% of companies).
• 3 (11%) were founded in the last three years.
• 12 have a recorded funding round; the most common is Seed (6).
• 21 companies (75%) have at least one verified founder email, 44 verified emails in total.

Breakdown

Top cities

• New York: 3 (11%)
• San Francisco: 2 (7%)
• Pasadena: 1 (4%)
• Portland: 1 (4%)
• Charlottesville: 1 (4%)
• Boca Raton: 1 (4%)
• Amesbury: 1 (4%)
• Irvine: 1 (4%)

Team size (employees)

• 1-10: 26 (93%)
• 101-250: 1 (4%)
• 501-1000: 1 (4%)

Latest funding round

• Seed: 6 (21%)
• Grant: 4 (14%)
• Undisclosed: 1 (4%)
• Series B: 1 (4%)

Founded (last 10 years)

• 2017: 1 (4%)
• 2019: 2 (7%)
• 2020: 2 (7%)
• 2021: 1 (4%)
• 2025: 3 (11%)

Recently added GreenTech companies in United States

• TDS Architecs+Engineers — Irvine, United States: TDS Architecs+Engineers is a construction company that offers space planning, interior design, and project management services.
• Apas Ventures — Sheridan, United States: Apas Ventures invests in sustainable innovation, flowing like water to empower founders building a cleaner, greener future.
• Engyx Digital Energy | RWAs — Delaware City, United States: Real-World Asset Tokenization for Renewable Energy, Carbon Credits, and Sustainable Infrastructure
• Aqualibrium — New York, United States: Aqualibrium uses a natural, symbiotic relationship between fish and plants to allow anyone to grow fresh vegetables, herbs or flowers.
• seven planet — Portland, United States: Seven Planet is a green general store promoting sustainable consumer goods to help save the planet.
• LovingEco — Santa Monica, United States: LovingEco offers eco-friendly fashion promoted by tastemaker celebrity and charity partners who advocate healthy lifestyle choices.
• Van Yahres Tree Company — Charlottesville, United States: Van Yahres Tree Company is a nonprofit organization that offers tree, shrub, and lawn health care services.
• Networked Organisms — New York, United States: Networked Organisms are the makers of Project Noah, a mobile app that offers nature lovers the ability to document and explore wildlife.
• INroof.solar — Amesbury, United States: INroof.solar is dedicated to creating solar roofing systems that integrate into the architecture of the home.
• Otto — Kearny, United States: Otto is an eco-friendly ridesharing app that pledges to have zero net CO2 contributions
• Climatebase — San Francisco, United States: Climatebase connects people with employment and volunteer opportunities at organizations working to solve the climate crisis.
• ThermoSiv Technologies — New York, United States: ThermoSiv Technologies offers innovative heating solutions.
• Scriptation LLC — Los Angeles, United States: Scriptation LLC is a PDF annotation application that handles scripts and all production documents related to film and television industries.
• Holstee — Brooklyn, United States: Holstee provides tools and resources for a more meaningful life.
• ASP Isotopes — Boca Raton, United States: ASP Isotopes develops isotope enrichment technology for the medical, green energy, and industrial sectors.
• Indigo — Boston, United States: Indigo is an agricultural technology company that focuses on improving sustainability and profitability in farming practices.
• Thiozen — Pasadena, United States: Thiozen develops novel hydrogen gas production technology designed to reduce greenhouse gases.
• Arch — San Francisco, United States: Arch provides an AI-driven marketing platform tailored for HVAC contractors. The system utilizes machine learning to identify homes with aging HVAC systems, en…
• Green Badger — Savannah, United States: Green Badger provides cloud-based automation and compliance solutions for the green construction industry.
• Calicat — Chatsworth, United States: Calicat is a clean-energy company developing a proprietary electrocatalyst discovery process for electrolyser. The company electrocatalyst discovery is an unpr…
• Terraseed — Boulder, United States: Terraseed offers vegan sustainably sourced supplements packaged in fully biodegradable pill bottles.
• SolarGaps — Redwood City, United States: SolarGaps is a smart blinds that generate electricity.
• Wren — San Jose, United States: Wren is a web app that helps live carbon neutral by accounting for and offsetting CO2 emissions.
• Evrnu — Seattle, United States: Evrnu is a textile innovations company producing engineered fiber made from discarded clothing. Its multiple lifecycle fiber technologies are used to create en…
• Wattch — Atlanta, United States: Wattch provides monitoring and control services for commercial and distribution-scale solar and battery storage industries. It enables observability, intellige…
• ImpactAlpha — Berkeley, United States: ImpactAlpha offers investment news for a sustainable edge.
• Dunya Analytics — Wilmington, United States: Science-based risk analytics for biodiversity and nature
• demi — Chicago, United States: demi is the future of urban composting, with the first autonomous collection system designed for cities & buildings.

Browse and filter all 28 companies

Frequently asked questions

How many GreenTech companies in United States are there?

FindMeMail currently lists 28 GreenTech companies in United States with at least one founder or decision-maker identified. The count updates daily as new companies are added.

Where are most GreenTech companies in United States based?

New York (3), San Francisco (2), Pasadena (1).

How do I contact founders of GreenTech companies in United States?

44 verified founder emails are available for these companies on FindMeMail. Create a free account to get 50 free reveals, then buy one-time credit packs from $12.

Related reports

• Software companies in United States (3,675)
• Artificial Intelligence (AI) companies in United States (2,382)
• Seed-stage startups in United States (1,905)
• Information Technology companies in United States (1,861)
• Health Care companies in United States (1,647)
• E-Commerce companies in United States (1,545)
• SaaS companies in United States (1,304)
• Pre-seed startups in United States (1,096)
• Financial Services companies in United States (1,062)
• Manufacturing companies in United States (959)
• Consulting companies in United States (949)
• Internet companies in United States (824)

Methodology: counts include companies in the FindMeMail database with at least one identified founder or decision-maker. Data refreshes automatically as new companies are added.