We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.
There are 33 start-ups with an aggregate funding of $5.1b. The average funding per company in this subset is $155.9m.
Last update to the database: Feb 18, 2025. See changelog.
Viridos is applying synthetic biology to microalgae for the production of products that address climate change and sustainability. Viridos is focused on producing algal biofuels and other sustainable resources from algae.
8
Funding Rounds
$175.0m
Money raised
ZeroAvia is an aerospace company developing practical zero emission aviation powertrains using hydrogen power.
3
Funding Rounds
$80.7m
Money raised
Developer and manufacturer of systems for renewable industrial gas and fuel production.
13
Funding Rounds
$779.0m
Money raised
Planetary Hydrogen is a Gatineau-based company developing hydrogen processing and distribution solutions, as well as carbon capture and storage solutions.
2
Funding Rounds
$600.0k
Money raised
Nikola Motor Company is a Phoenix, Arizona-based automotive company founded in 2014 by Trevor Milton.
5
Funding Rounds
$2.7b
Money raised
ZEG Power is a developer of modular energy generation technology, including hydrogen fuel production with carbon capture and storage systems to produce clean hydrogen with no emissions.
2
Funding Rounds
$20.0m
Money raised
Bloom Energy is a San Jose, California-based hydrogen fuel cell company offering on-site power generation systems.
1
Funding Rounds
$130.0m
Money raised
Sun Catalytix was an energy storage company that was acquired by Lockheed Martin Energy.
4
Funding Rounds
$18.5m
Money raised
Intelligent Energy is a fuel cell engineering company focused on the development of its fuel cell technologies.
1
Funding Rounds
$21.0m
Money raised
Virent Energy Systems is a Madison, Wisconsin-based renewable fuel source company.
4
Funding Rounds
$74.9m
Money raised
Syzygy is a Houston, Texas-based decarbonization technology company developing a photocatalytic chemical reactor for the industrial gas, chemical, and energy industries.
2
Funding Rounds
$28.8m
Money raised
Ionomr is a developer and manufacturer of hydrogen technologies including fuel cells, hydrogen fuel, and infrastructure and storage.
5
Funding Rounds
$18.5m
Money raised
EH Group Engineering is a Renens-based fuel cell company focused on developing fuel cell technology.
3
Funding Rounds
$8.5m
Money raised
Hydrogenious Technologies is an Erlangen, Germany-based developer of solutions for safe and efficient hydrogen storage in liquid organic hydrogen carriers.
3
Funding Rounds
$19.0m
Money raised
Monolith Materials is a Lincoln, Nebraska-based specialty chemicals company that produces low-emission carbon black and hydrogen for use in the manufacturing of rubbers and plastics.
2
Funding Rounds
$385.0m
Money raised
AFC Energy is a provider of alkaline fuel cell systems using hydrogen for electricity production.
1
Funding Rounds
$20.0m
Money raised
Developing alternative energy technologies, including nanoscale fusion and fuel cells
2
Funding Rounds
$1.3m
Money raised
Loop Energy is a Burnaby-based developer of pollution-free transportation solutions intended to reduce emissions.
2
Funding Rounds
$7.5m
Money raised
Logan Energy is a developer of integrated energy systems, including hydrogen storage and distribution services.
3
Funding Rounds
$13.9m
Money raised
Ekona Power is a developer and producer of industrial scale hydrogen solutions.
5
Funding Rounds
$65.4m
Money raised
Hydrogen In Motion is a hydrogen fuel storage and transportation technology company.
1
Funding Rounds
Elcogen is a manufacturer of fuel cells and hydrogen power solutions.
2
Funding Rounds
$50.6m
Money raised
HyPoint is a developer of hydrogen-powered fuel cells and fuel cell solutions for the aerospace industry.
3
Funding Rounds
$15.0m
Money raised
Nel Hydrogen is a hydrogen production, storage, and infrastructure company.
1
Funding Rounds
$5.6m
Money raised
Lhyfe is a hydrogen production and distribution company.
3
Funding Rounds
$88.0m
Money raised
Lilliputian Systems is a portable fuel cell generators founded in 2002.
4
Funding Rounds
$79.0m
Money raised
Hyperion Motors is an automotive company developing hydrogen technology for supercars.
1
Funding Rounds
$235.0k
Money raised
H2scan is a company founded in 2002 by Dennis Reid.
2
Funding Rounds
$17.5m
Money raised
GeoPura is a hydrogen-fuelled clean energy producer founded in 2019.
2
Funding Rounds
$46.0m
Money raised
ReliOn is a Spokane, Washington-based company founded in 1879.
4
Funding Rounds
$29.0m
Money raised
Beyond Aero is a hydrogen-powered electric business aircraft manufacturer founded in 2020 by Eloa Guillotin, Hugo Tarlé and Valentin Chomel.
1
Funding Rounds
$44.0m
Money raised
Manufacturer of electric and hydrogen-powered minibuses.
4
Funding Rounds
$146.7m
Money raised
Ohmium International is a developer and distributor of renewable energy products.
1
Funding Rounds
$45.0m
Money raised