All Industries

Top Sustainability Companies

1,956 Sustainability companies, sorted by total funding raised.

Aunt Flow

Aunt Flow stocks 100+ organizations with our 100% organic cotton tampons and pads, so companies a...

Columbus, United States11–50Femtech, Sustainability
Series ATotal funding$10.0MApr 2022
Clean Hydrogen Works

Clean Hydrogen Works is a clean ammonia project developer building the world-scale Ascension Clea...

Clean Energy, Renewable Energy
Corporate RoundTotal funding$10.0MOct 2022
Commons

Commons makes it easy to use your spending choices to create a more sustainable world.

Oakland, United States11–50Fintech, Sustainability
Series ATotal funding$10.0M
General Galactic

Fossil-free fuel, made accessible and affordable.

San Francisco, United States1–10Sustainability, Defense Tech
SeedTotal funding$10.0MNov 2024
Klir

Klir builds a single operating system that helps drinking water and wastewater utilities centrali...

Toronto, Canada51–200SaaS, Sustainability
Series BTotal funding$10.0MJan 2026
Quino Energy

Quino Energy creates water-based flow batteries that store electrical energy in organic quinone m...

San Francisco, United States1–10Sustainability, Clean Tech
Series ATotal funding$10.0MMay 2026
Replenysh

Software and supply chain platform helping hotels, venues, recyclers, and brands turn discarded m...

Los Angeles, United States11–50Supply Chain, Sustainability
Series ATotal funding$10.0MApr 2025
Rezilient Health

Rezilient Health combines telehealth with in-person CloudClinics, where coordinated care teams an...

St. Louis, United StatesArtificial Intelligence, Healthcare
Series ATotal funding$10.0MOct 2024
AmphiStar

Locally sourced biosurfactants portfolio

Biotech, Sustainability
GrantTotal funding$9.9MJul 2025
Arkive

Beauty platform that end-to-end digitizes beauty excess inventory, and implementing a cradle-to-c...

Amsterdam, Netherlands1–10Data & Analytics, SaaS
SeedTotal funding$9.7MJul 2022
Lios

For a quieter world

Dublin, Ireland11–50Deep Tech, Manufacturing
GrantTotal funding$9.5MJun 2025
ECOMMIT Co.
Tokyo, Japan201–500Marketplace, Retail
Series BTotal funding$9.4MApr 2026
Faume

Second Hand solution for retailers

E-Commerce, Fashion
Venture RoundTotal funding$9.3MApr 2025
MARINE ACOUSTICS INC

R&D company with 8 SBIR/STTR awards from Department of Defense.

Middletown, United States11–50Sustainability
GrantTotal funding$9.2MFeb 2021
SIQ Basketball

Developer of sports analytics software designed for sports organizations.

Charlotte, United StatesArtificial Intelligence, Digital Health
Series ATotal funding$9.2MFeb 2026
Access Sensor Technologies LLC

R&D company with 15 SBIR/STTR awards from Department of Health and Human Services, National Scien...

FORT COLLINS, United States1–10Sustainability, IoT
GrantTotal funding$9.1MAug 2025
Area2Farms

Operates hyper-local indoor farms that grow and deliver USDA-organic produce subscriptions to nei...

Arlington, United States11–50Agtech, Food & Beverage
Series ATotal funding$9.0MSep 2025
Ucaneo

We build the lung for the planet

Berlin, Germany11–50Sustainability, Climate Tech
GrantTotal funding$8.7MOct 2025
Mani.Me

Designer nails made for you, delivered to your door.

Palo Alto, United States11–50Beauty, Manufacturing
Series ATotal funding$8.6MSep 2020
Thiozen

Thiozen develops novel hydrogen gas production technology designed to reduce greenhouse gases.

San Francisco, United StatesSustainability, Deep Tech
GrantTotal funding$8.6MJul 2024
Kubik

We turn hard-to-recycle plastic waste into low-carbon, low-cost building materials.

London, South AfricaSustainability
SeedTotal funding$8.5MApr 2024
Carbon Reform

Recovering and recycling decentralized carbon emissions from commercial buildings

San Francisco, United States11–50Sustainability, Climate Tech
Extension RoundTotal funding$8.5MMar 2025
Cloud Paper

Eco-friendly bamboo toilet paper and paper towel brand delivering sustainable household paper pro...

Seattle, United States1–10Retail, Sustainability
Series ATotal funding$8.5MFeb 2022
Instacrops

Helping farmers maximize crop yield

Santiago, Chile11–50Agtech, Industrials
SeedTotal funding$8.3MJan 2023
RavelAcquired

Focused on making legal research radically easier, faster, and more intuitive

Seattle, United States11–50Sustainability
Series ATotal funding$8.2MFeb 2014