All Industries

Top Energy Companies

583 Energy companies, sorted by total funding raised.

Quino Energy

Scalable, Long-Lifetime Grid Energy Storage

San Francisco, United States1–10Sustainability, Clean Tech
Series A·$10.0M·May 2026
ADAPT

Lead the empowerment of organizations to achieve their transportation-related sustainability and ...

San Francisco, United States11–50Artificial Intelligence, Automation
Seed·$10.0M·Jan 2026
Enchanted Rock

Provider of electrical resiliency-as-a-service using modular dual-purpose microgrids for commerci...

Houston, United States201–500Clean Energy, Microgrids
Series A·$10.0M·Feb 2017
encentive

AI-based energy management platform for industrial customers that automates asset control to redu...

Hamburg, Germany11–50Energy, Artificial Intelligence
Seed·$9.9M·Sep 2025
Phononic Vibes

Phononic Vibes introduces a new patented technology for vibration and noise control and isolation...

Milan, Italy11–50Energy, Deep Tech
Seed·$9.8M·Jul 2022
Ferveret

Liquid cooling solutions inspired by nuclear power plant cooling.

1–10Climate Tech, Energy
Seed·$9.8M·Jan 2021
Ecologi

Climate action platform helping businesses and individuals fund tree planting, high-integrity car...

London, United Kingdom51–200Energy, Climate Tech
Series A·$9.4M·Nov 2021
Spoor AI

Enabling nature and industry to coexist.

Oslo, Norway11–50Climate Tech, Artificial Intelligence
Series A·$9.3M·Dec 2025
Resec Technologies

Resec’s Zero Trust platform eliminates all file-based malware threats at the gateway, without hin...

San Francisco Bay Area, Israel11–50Energy, Cybersecurity
Series A·$9.0M·Nov 2020
1001 AI

AI-native operating system automating operational workflows in aviation, logistics, construction,...

London, United KingdomArtificial Intelligence, Enterprise Operations
Seed·$9.0M·Oct 2025
Standard Energy

Standard Energy is a South Korea-based tech startup and developer of vanadium ion batteries.

Tokyo, South Korea51–200Deep Tech, Energy
Series C·$8.9M·Apr 2021
Smalt

AI-first back-office and growth engine that digitizes HVAC and electrical craft businesses, provi...

Berlin, Germany11–50Energy, Artificial Intelligence
Seed·$8.8M·Sep 2024
Evyon

Evyon maximises the value of second-life EV batteries by repurposing them in a streamlined, safe ...

Oslo, Norway11–50Climate Tech, Energy
Series A·$8.8M·Nov 2022
Ucaneo

We build the lung for the planet

San Francisco Bay Area, GermanySustainability, Climate Tech
Grant·$8.7M·Oct 2025
Zeleros

Zeleros designs and develops new hyperloop technologies for a more sustainable and energy-efficie...

San Francisco Bay Area, Spain11–50Energy, Infrastructure
Venture Unknown·$8.5M·Jun 2020
SensorFlow

Singapore-based proptech company providing IoT and AI-driven smart building solutions to optimize...

Singapore, SingaporePropTech, IoT
Series A·$8.3M·Apr 2020
RADIABEAM SYSTEMS, LLC

R&D company with 56 SBIR/STTR awards from Department of Energy.

SANTA MONICA, United States11–50Defense Tech, Energy
Grant·$8.3M·Aug 2023
Symend

Symend is a leading SaaS company that turns difficult conversations and everyday moments into pos...

San Francisco Bay Area, CanadaEnergy
Series A·$8.0M·May 2019
Ayrton Energy

Breaking the limits of hydrogen storage

Calgary, CanadaClean Tech, Energy
Seed·$7.8M·Sep 2024
Pedevco Corp.IPO

Publicly traded energy company engaged in acquisition and development of strategic oil and gas pr...

Houston, United States1–10energy, Energy
Corporate Round·$7.7M·Jun 2018
Anodyne Chemistries

Anodyne is a carbon utilization company, transforming CO2 into carbon negative products for a cli...

Vancouver, Canada11–50Energy, Clean Tech
Grant·$7.6M·Jan 2026
TESCO

American manufacturer of electric meter testing instruments and accessories, serving the energy i...

Bristol, United StatesEnergy, Hardware
Growth Equity·$7.5M·Feb 2021
Group1IPO

Potassium-ion batteries to power domestic, resilient energy storage

Austin, United States11–50Artificial Intelligence, Energy
Seed·$7.5M·Aug 2023
CryptoMove

CryptoMove fragments, duplicates, and encrypts data bits in a dynamic and decentralized data vaul...

Oakland, United States11–50Energy, Cybersecurity
Series A·$7.5M·Dec 2017
Thiozen

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

San Francisco, United StatesSustainability, Deep Tech
Grant·$7.4M·Jul 2024