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 6 start-ups with an aggregate funding of $485.7m. The average funding per company in this subset is $80.9m.
Last update to the database: Feb 18, 2025. See changelog.
Reaction Engines Ltd is a company working on hypersonic and space access propulsion.
3
Funding Rounds
$127.8m
Money raised
Hermeus is an Atlanta-based aerospace company focused on developing a hypersonic aircraft founded by AJ Piplica, Skyler Shuford, Michael Smayda and Glenn Case.
4
Funding Rounds
$176.0m
Money raised
Aerojet Rocketdyne is a company that looks to innovate in industries of aerospace and defense markets
1
Funding Rounds
$67.0m
Money raised
A manufacturing company that specializes in producing solutions for microsatellite operations. It was founded in 2015 and is located in Berthoud, Colorado.
3
Funding Rounds
$108.5m
Money raised
FGC Plasma Solutions is an plasma-assisted combustion technology company founded in 2013 by Felipe Gomez del Campo and Drew Weibel
3
Funding Rounds
$3.4m
Money raised
High speed resolutions to hypersonic challenges through innovative problem solving and rapid hardware development.
1
Funding Rounds
$3.0m
Money raised