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Commonwealth Fusion Systems
Private · United States
Reactor developer
Develops compact tokamak systems based on high-field superconducting magnets.
Helion Energy
Startup · United States
Reactor developer
Pursues pulsed fusion systems with direct electricity conversion.
TAE Technologies
Private · United States
Reactor developer
Builds field-reversed configuration systems for advanced fusion research.
Kyoto Fusioneering
Startup · Japan
Fusion components
Supplies fusion plant subsystems including blankets, heating, and fuel handling.
Mitsubishi Heavy Industries
7011Public · Japan
Industrial systems
Industrial manufacturer with heavy equipment and energy systems experience.
Constellation Energy
CEGPublic · United States
Power customer and operator
Large power operator relevant to grid integration and clean firm power procurement.
ITER Organization
Research · France
International research program
Coordinates a major multinational tokamak research and engineering program.
Lawrence Livermore National Laboratory
Research · United States
Fusion research institution
Operates major inertial confinement research infrastructure.