# Energy Companies — 44+ Major Operators
## The Energy Codex · thecodex.expert/energy/companies/
Last verified: April 2026 | Session 13 | 2026-05-03

44+ major energy companies across all sectors. Oil/gas: Saudi Aramco, ExxonMobil, Shell, BP, ONGC, IOC, Reliance Industries, Petrobras, QatarEnergy, Equinor. Coal: Coal India (world's largest), CEIC, Glencore, Peabody, NTPC. Hydro: China Three Gorges Corp, Itaipu Binacional. Solar: LONGi, JinkoSolar, First Solar, Adani Green (10.9 GW), NTPC Renewable, Waaree. Wind: Vestas, Siemens Gamesa, GE Vernova, Orsted, Suzlon India. Nuclear: EDF, Rosatom, NPCIL India, Georgia Power, KEPCO, Westinghouse, ITER Organization, Commonwealth Fusion CFS. Storage/EVs: CATL, BYD, Tesla Energy. Grid: SGCC China, PowerGrid India, Siemens Energy. All from annual reports.