All Industries

Top Climate Tech Companies

1,561 Climate Tech companies, sorted by total funding raised.

Tomorrow.io

Provides AI-native, space-powered weather intelligence and forecasting to enterprises and governm...

Boston, United States201–500Banking, Fintech
Venture Unknown·$262.0M·Feb 2026
TA
Tri Alpha Energy

Tri Alpha Energy, now TAE Technologies, is a private nuclear fusion company developing aneutronic...

Foothill Ranch, United States201–500Climate Tech
Series G Plus·$255.0M·Jul 2022
Zolar

AI-first platform connecting homeowners and installers to design, buy, and manage residential sol...

Berlin, Germany11–50Clean Energy, Climate Tech
Growth Equity·$254.2M·Apr 2024
Montana Renewables

Montana Renewables produces renewable diesel, sustainable aviation fuel, and other biofuels from ...

Great Falls, United States51–200Climate Tech
Corporate Round·$250.0M·Aug 2022
Ohmium

Ohmium manufactures green hydrogen electrolyzers to decarbonize hard-to-abate industries.

Fremont, United StatesClimate Tech
Series C·$250.0M·Apr 2023
HoloSolis

Solar energy technology company.

Sarreguemines, France11–50Climate Tech, Energy
Venture Unknown·$245.0M·Nov 2025
SunrunIPO

Sunrun offers homeowners affordable solar power.

San Francisco5001–10000Climate Tech
Series E·$240.0M·May 2014
The Boring Company

The Boring Company creates safe, fast-to-dig, and low-cost transportation, utility, and freight t...

Pflugerville, United States201–500Climate Tech, Cloud
Series B·$233.0M·Jul 2019
Gropyus

Technology-based construction company building affordable, sustainable timber-hybrid multifamily ...

AustriaClimate Tech, PropTech
Series C·$227.1M·Oct 2024
American Battery Technology CompanyIPO

American Battery Technology Company develops lithium-ion battery recycling technology and domesti...

Reno, United States51–200materials, Climate Tech
Grant·$218.2M·Sep 2024
P
Panthalassa

Ocean-based renewable energy and AI computing platform.

Portland, United States11–50Artificial Intelligence, Climate Tech
Series B·$211.1M·May 2026
Moxxie Ventures

Moxxie Ventures is a seed-stage venture capital firm based in San Francisco focused on climate, f...

San Francisco, United States1–10Climate Tech, Fintech
Venture Unknown·$205.0M·Jul 2024
Sublime Systems

Electrochemical process for producing ultra-low-carbon cement without fossil-fuel kilns.

Somerville, United States51–200Climate Tech, Manufacturing
Series B·$202.0M·Sep 2024
RoadRunner

RoadRunner Recycling is a technology-enabled marketplace for commercial recycling and waste removal.

Pittsburgh, United States501–1000Climate Tech, Clean Tech
Series A·$194.0M·May 2026
Starcloud

Data centers in space

Redmond, United States1–10Cloud, Space Tech
Venture Unknown·$193.9M·Mar 2026
Absolute Foods

Agricultural technology company developing vertical and land farms growing 100% natural, non-GMO ...

Gurugram, India11–50Climate Tech
Series A·$187.6M·May 2022
Tidal Vision

Your turn-key chitosan biomolecular solutions provider

Ferndale, United States11–50Biotech, Climate Tech
Series B·$186.7M·Feb 2025
Electra

European fast EV charging network deploying ultra-fast charging stations up to 400kW across major...

Paris, France201–500Climate Tech
Series B·$186.0M·Apr 2025
Heart Aerospace

Heart makes electric airplanes with an all-electric range of 250 miles

Los Angeles, United States51–200Aerospace, Climate Tech
Venture Unknown·$184.1M·Apr 2025
LanzaTechIPO

Transforms industrial carbon-rich gases into sustainable fuels and chemicals for industrial partn...

Skokie, United States201–500Climate Tech, Energy
Corporate Round·$183.0M·May 2025
PowerXAcquired

AI powered sensors that save energy, water and emissions

New York, United States11–50Climate Tech, Energy
Series C·$182.8M·Mar 2025
Dandelion

Dandelion is a residential geothermal company that offers homeowners clean and cost-saving heatin...

Mount Kisco, United States51–200Climate Tech
Series C·$172.5M·Sep 2024
Mill

Home food recycler that dries and grinds kitchen scraps into odorless grounds repurposed as chick...

San Bruno, United States51–200Climate Tech
Series A·$170.0M·Aug 2024
Last Energy

Developer of 20 MWe small modular nuclear reactors for clean, affordable baseload power at scale.

Austin, United States51–200Climate Tech
Series C·$170.0M·Dec 2025
ViewIPO

View Inc. is an American smart glass manufacturer producing electronically tintable windows for c...

San Jose, United States201–500Climate Tech
Series G Plus·$162.0M·Jan 2017