Quaise (Gyrotron + Argon Gas)
TerraWave (Gyrotron + mud) – stealth startup
GA Drilling (Plasma Drilling – Ionised Gas & Anchorbit)
Eden Geopower (Laser Drilling – Light)
Swiss Geopower (Plasma-Pulse-Geo Drilling (PPGD) – Lightning)
Foro Energy (Laser Drilling – Light)
Fervo Energy
Sage Geosystems
Eavor