Emergingby Glyph
Type One Energy
Develops stellarator fusion plants, starting with a TVA site in Tennessee.
Fusion energytypeoneenergy.com
Companies in frontier tech
21 of 403 companies
First Light Fusion
Develops target-led inertial fusion through its FLARE approach.
Fusion energyfirstlightfusion.com
Proxima Fusion
Designs stellarator power plants and is building the Alpha demonstrator near Munich.
Fusion energyproximafusion.com
Tokamak Energy
Runs the ST40 spherical tokamak and sells HTS magnet systems.
Fusion energytokamakenergy.com
Google
Signed a 396 MW power purchase deal with Fervo for Cape Station.
Advanced geothermal, AR glasses, Fusion energy, Quantum computinggoogle.com
Pacific Fusion
Uses pulsed electrical power to compress fuel, building a demonstration system in New Mexico.
Fusion energypacificfusion.com
TAE Technologies
Develops beam-driven FRC fusion and is designing its Da Vinci power plant.
Fusion energytae.com
Focused Energy
Develops direct-drive laser fusion, with a planned site at Biblis in Germany.
Fusion energyfocused-energy.co
Marvel Fusion
Pursues laser-driven inertial fusion with new laser and target designs.
Fusion energymarvelfusion.com
General Fusion
Develops magnetized target fusion with its LM26 machine; listed on Nasdaq as GFUZ in 2026.
Fusion energygeneralfusion.com
Helion
Builds pulsed FRC fusion machines and the Orion power plant in Malaga, Washington.
Fusion energyhelionenergy.com
Xcimer Energy
Builds large excimer lasers for inertial fusion power plants.
Fusion energyxcimer.energy
Thea Energy
Builds a stellarator with arrays of planar shaping coils, starting with its Eos machine.
Fusion energythea.energy
Commonwealth Fusion Systems
Manufactures high-temperature superconducting magnets for compact fusion tokamaks.
Advanced materials, Fusion energycfs.energy
Realta Fusion
Develops compact magnetic mirror fusion for industrial heat and power.
Fusion energyrealtafusion.com
RWE
German utility investing in Focused Energy and partnering on Proxima's Alpha project.
Fusion energy, Next-gen batteriesrwe.com
Hyundai Motor Group
Invested in Commonwealth Fusion Systems in 2026 to explore work on ARC plants.
Fusion energy, Humanoid robotshyundaimotorgroup.com
Trump Media and Technology Group
Agreed in December 2025 to merge with TAE Technologies in an all-stock deal.
Fusion energytmtgcorp.com
Avalanche Energy
Builds compact Orbitron fusion devices and a neutron test facility.
Fusion energyavalanche.energy
Kyoto Fusioneering
Supplies core plant systems such as blankets, fuel cycle and heating for fusion plants.
Fusion energykyotofusioneering.com
Zap Energy
Develops sheared-flow Z-pinch fusion and now also fission and hybrid systems.
Fusion energyzapenergy.com