Houston
14 companies · 9 sectors
NASA's Johnson Space Center has run human spaceflight from Clear Lake since the 1960s. Intuitive Machines made the first commercial Moon landing in 2024, and Axiom Space flies private crews to the space station. Fervo Energy uses oil-field drilling techniques to build enhanced geothermal power plants.
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All 14 companies
Ambrosia EnergyHouston
Energy
Solar and battery power plants for round-the-clock power
Axiom SpaceHouston
Space·Aerospace
Commercial space station and human spaceflight missions
Cream FormulatorsHouston
Manufacturing·Robotics
Contract manufacturing for cosmetic and skincare brands
Deployable EnergyHouston
Nuclear·Energy
Transportable 1 MW microreactors for industry and defense
DexMatHouston
Materials·Electronics·Defense
Galvorn carbon nanotube fibers and films
Fervo EnergyHouston
Energy
Enhanced geothermal power plants
Hertha MetalsConroe
Materials·Energy·Manufacturing
Makes steel with a coal-free pyrometallurgical process
Intuitive MachinesHouston
Space·Robotics
Persona AIHouston
Robotics·Manufacturing·Defense
Humanoid robots for welding in shipyards and heavy industry
Quaise EnergyHouston
Energy
Millimeter-wave drilling for deep geothermal energy
SolugenHouston
Materials·Manufacturing·Energy
Makes chemicals from sugar using enzymes and metal catalysts
Syzygy PlasmonicsHouston
Energy·Materials
Photonic reactors that turn biogas into aviation fuel
Venus AerospaceHouston
Aerospace·Defense
Rotating detonation rocket engines for high-speed flight
VoltaGridHouston
Energy·Manufacturing
Natural gas power plants for data centers and remote sites