All Industries

Top Clean Tech Companies

575 Clean Tech companies, sorted by total funding raised.

Planette

Planette.ai empowers enterprises to adapt to climate change by providing year-ahead extreme weath...

Fremont, United States1–10Agtech, Artificial Intelligence
Pre-seed·$2.4M·Feb 2024
EIO DiagnosticsAcquired

EIO Diagnostics is an animal health diagnostics company launching our first product in the dairy ...

Austin, United StatesAgtech, Artificial Intelligence
Venture Unknown·$2.4M·Apr 2023
BiB Batteries

BiB optimizes batteries' performances, expands their lifecycle and reduces their environmental fo...

Paris, FranceClean Tech, Mobility
Seed·$2.4M·Sep 2024
Raise GreenAcquired

Climatetech marketplace for local impact investing connecting capital with community need.

Somerville, United StatesClean Tech, Climate Tech
Venture Unknown·$2.2M·Jun 2023
Salient Energy

Cheap, safe, and long lasting zinc ion batteries for energy storage.

Dartmouth, Canada11–50Clean Tech, Climate Tech
Grant·$2.2M·Jan 2021
EnMass Energy

EnMass Energy operates a global platform supporting waste-to-energy projects through optimized co...

Durham, United StatesClean Tech, Fintech
Seed·$2.1M·May 2021
Kadeya

Kadeya is a closed-loop water vending business that utilizes digitally connected reusable water b...

Chicago, United States1–10Clean Tech, Climate Tech
Seed·$2.1M·Nov 2025
Elio.Earth

Elio enables analysts in companies & governments to respond to climate change's dynamism and rapi...

Yorba Linda, United States1–10Clean Tech, Climate Tech
Pre-seed·$2.0M·Feb 2025
Partsimony

Partsimony is your manufacturing supply chain superpower in a world of uncertainty.

New York, United States11–50AR/VR, Artificial Intelligence
Seed·$2.0M·Oct 2021
AQUAOSO TechnologiesAcquired

AQUAOSO provides research and risk analysis tools for lenders, appraisers, lawyers and researchers.

Folsom, United StatesClean Tech, Fintech
Venture Unknown·$2.0M·Jan 2022
Dynamic Green Products

Innovative products for a cleaner future

Houston, United States1–10Clean Tech, Climate Tech
Seed·$2.0M
Excir

Clean-tech company pioneering proprietary technology for sustainable extraction of precious metal...

Calgary, Canada11–50Clean Tech, Advanced Materials
Corporate Round·$1.9M·Aug 2024
Nossa Data

Empowering companies to manage and plan their Environmental, Social, and Governance (ESG) needs.

London, United Kingdom1–10Artificial Intelligence, Clean Tech
Seed·$1.9M·May 2022
graphenest.com

Graphenest provides a two order of magnitude cost reduction in manufacture of graphene, a wonder ...

Sever do Vouga, Portugal11–50Clean Tech, Climate Tech
Venture Unknown·$1.8M·May 2023
Tobe Energy

Tobe Energy cuts green hydrogen production costs by over 50% with a breakthrough electrolysis tec...

Tulsa, United States1–10Clean Tech, Climate Tech
Funding undisclosed
Climatize

For Gen Z & Millennials struggling with climate-anxiety, Climatize provides a mobile app where th...

Santa Cruz, United States1–10Clean Tech, Climate Tech
Pre-seed·$1.8M·Aug 2024
Electro-Active Technologies

Reinvest your waste

Knoxville, United States1–10Clean Tech, Energy
Funding undisclosed
Ambee

Ambee aims to make hyperlocal air quality data accessable to developers, consumers, health resear...

Bengaluru, India11–50Clean Tech, Climate Tech
Funding undisclosed
ALTECT INC

R&D company with 4 SBIR/STTR awards from Department of Defense, National Science Foundation, Depa...

AUSTIN, United States1–10Clean Tech, Defense Tech
Funding undisclosed
SurPlusMap

Geospatial analytics to empower decision-makers in the green transition.

Oslo, Norway1–10Space Tech, Climate Tech
Venture Unknown·$1.6M·May 2025
MetaMateria Technologies, LLC

R&D company with 5 SBIR/STTR awards from Department of Energy, Department of Agriculture.

Columbus, United States11–50Clean Tech, Environmental Technology
Funding undisclosed
Keystone Tower Systems, Inc.

R&D company with 2 SBIR/STTR awards from Department of Agriculture, Department of Energy.

DENVER, United States11–50Clean Tech, Manufacturing
Funding undisclosed
NOVOREACH TECHNOLOGIES, LLC

R&D company with 7 SBIR/STTR awards from Department of Energy, Department of Agriculture.

MIDLAND, United States1–10Clean Tech, Energy
Funding undisclosed
NeedEnergy

Leverages innovation, data and modern technology relevant with times as its core values are to pr...

Melbourne, Australia1–10Artificial Intelligence, Clean Tech
Funding undisclosed
HyWatts

Uninterrupted Renewable Power. WHENEVER, WHEREVER

Berkeley, United States11–50Clean Tech, Sustainability
Pre-seed·$1.6M·Dec 2024