All Industries

Top Clean Tech Companies

1,141 Clean Tech companies, sorted by total funding raised.

Bitfinder

Awair is the smart indoor air monitor that learns your wellness needs and provides solutions to a...

San Francisco, United States11–50Clean Tech, Climate Tech
Series BTotal funding$14.5MMay 2019
Pretred

Pretred recycles waste tires and repurposes them into barriers/blocks that are green, competitive...

Aurora, United States11–50Clean Tech, Infrastructure
GrantTotal funding$14.4MMay 2024
Gridium
Analytics, Clean Tech
Venture RoundTotal funding$14.0MFeb 2023
Rise Robotics

RISE Robotics partners with Tier 1 suppliers, OEMs and the US DoD, pioneering the transition from...

Boston, United States11–50Clean Tech, IoT
Equity CrowdfundingTotal funding$14.0MFeb 2026
Kill Cliff
Clean Tech, Food & Beverage
Series DTotal funding$13.5MAug 2017
BluWave-ai

AI-powered smart grid optimization platform for utilities.

Ottawa, Canada11–50Artificial Intelligence, Clean Energy
Series ATotal funding$13.4MDec 2022
Electroflow

Electroflow extracts lithium from dilute North American brines and develops lower-impact domestic...

San Bruno, United States11–50Clean Tech, Energy
GrantTotal funding$13.1MOct 2025
Magma

Integrated industrial solutions provider offering raw-material sourcing, clean energy, waste recy...

Ahmedabad, India11–50Clean Energy, Clean Tech
Series ATotal funding$13.0MDec 2025
Ridepanda

E-bike and scooter subscription platform offering turnkey micro-mobility benefits programs for en...

San Francisco, United States11–50Clean Tech, Transportation
Growth EquityTotal funding$12.6MOct 2025
iWattAcquired

IPO/M&A exit - power management

Campbell, United States51–200Energy, Clean Tech
Venture RoundTotal funding$12.4MSep 2011
Ecolectro Inc.

Ecolectro develops stable, low-cost alkaline exchange materials that reduce electrolyzer stack co...

ITHACA, United States11–50Climate Tech, Clean Tech
Series ATotal funding$12.2MNov 2024
Aquaria

Atmospheric water generation company that makes water from thin air for homes with no pipes, well...

Clean Tech, Water Tech
Venture RoundTotal funding$12.0MNov 2024
good naturedIPO

Vancouver-based company making plant-based, compostable packaging and products as petroleum-plast...

Vancouver, Canada51–200Clean Tech, Manufacturing
Corporate RoundTotal funding$12.0MMay 2022
HoloceneAcquired

Harnessing organic chemistry to remove CO2 from the atmosphere, forever.

KNOXVILLE, United States11–50Sustainability, Clean Tech
Corporate RoundTotal funding$11.9MSep 2024
The Sun Exchange

Through the Sun Exchange anyone can earn income from the sun.

Cape Town, South AfricaClean Tech, Infrastructure
ConvertibleTotal funding$11.9MOct 2021
Propagate Ventures

Agroforestry investments & project development platform.

Hudson, United States11–50Clean Tech, Fintech
Series ATotal funding$11.5MOct 2022
Solideon

Autonomous manufacturing platform building deployable robotic micro-factories that produce comple...

Denver, United States1–103D Printing, Artificial Intelligence
SeedTotal funding$11.5MOct 2024
Companion.energy

AI platform automating real-time energy management and optimization for large industrial and comm...

Ghent, Belgium11–50Artificial Intelligence, Clean Tech
SeedTotal funding$11.4MJun 2026
EX-Fusion

Energy startup commercializing laser-based nuclear fusion

Osaka, Japan11–50Clean Tech, Energy
SeedTotal funding$11.3MJul 2023
Hydroleap

Hydroleap replaces conventional chemical wastewater treatment with modularized, chemical-free ele...

Singapore, SingaporeAgtech, Climate Tech
Series ATotal funding$11.1MJul 2025
Good Carbon

Provides verified nature-based carbon credits and advisory services to companies, managing carbon...

Berlin, Germany11–50Clean Tech, Climate Tech
Series ATotal funding$10.9MApr 2024
PathSpot

PathSpot scans employee's hands to detect pathogens that cause food borne illness - all in under ...

New York, United States11–50Clean Tech, IoT
Series ATotal funding$10.6MMay 2020
Ateios

Ateios develops electrode manufacturing techniques and advanced battery, materials, and software ...

La Jolla, United StatesClean Tech
Venture RoundTotal funding$10.5MJan 2026
Alta

Develops protein-based biochemistry to selectively separate rare earth and critical minerals for ...

Denver, United StatesClean Tech, Deep Tech
GrantTotal funding$10.5MMay 2025
Genecis Bio

Genecis turns organic waste into biodegradable PHA materials for partners developing sustainable ...

Toronto, Canada11–50Biotech, Clean Tech
Extension RoundTotal funding$10.5MFeb 2023