| Company Name | Entity type | Parent/Subsidiary/Independent | Headquarters | No. of Employees | Annual Revenue ($M) | |
|---|---|---|---|---|---|---|
| Glencore Plc | Public | Parent | Switzerland | 81,284 | 203,751 | |
| State Atomic Energy Corporation Rosatom | Private | Parent | Russia | 288,500 | 223,834 | |
| China Petrochemical Corp | Government | Parent | China | XXX | 432,484 | |
| China Petroleum & Chemical Corp | Public | Subsidiary (of China Petrochemical Corp) | China | 385,691 | 424,950 | |
| PetroChina Co Ltd | Public | Subsidiary (of China National Petroleum Corp) | China | 409,191 | 405,332 | |
| Saudi Arabian Oil Co | Public | Parent | Saudi Arabia | 68,493 | 400,864 | |
| Exxon Mobil Corp | Public | Parent | United States of America | 63,000 | 276,692 | |
| Shell plc | Public | Parent | United Kingdom | 82,000 | 261,504 | |
| Chevron Corp | Public | Parent | United States of America | 42,595 | 235,717 | |
| TotalEnergies SE | Public | Parent | France | 101,309 | 184,634 | |
| Lukoil Oil Co | Public | Parent | Russia | 102,424 | 128,089 | |
| Marathon Petroleum Corp | Public | Parent | United States of America | 17,700 | 120,922 | |
| PTT Public Co Ltd | Public | Parent | Thailand | 29,765 | 70,718 | |
| Rosneft Oil Co | Public | Parent | Russia | 334,600 | 118,937 | |
| Valero Energy Corp | Public | Parent | United States of America | 9,813 | 113,977 | |
| Mitsui & Co Ltd | Public | Parent | Japan | 44,336 | 104,673 | |
| ENEOS Holdings Inc | Public | Parent | Japan | 41,852 | 97,232 | |
| Indian Oil Corp Ltd | Public | Parent | India | 31,254 | 99,785 | |
| Eni SpA | Public | Parent | Italy | 32,562 | 90,546 | |
| Petroleo Brasileiro SA | Public | Parent | Brazil | 45,532 | 83,908 | |
| United Company RUSAL Plc | Public | Subsidiary (of En+ Group plc) | Russia | 59,591 | 11,994 | |
| Jizhong Energy Group Co Ltd | Private | Parent | China | XXX | XXX | |
| Freeport-McMoRan Inc | Public | Parent | United States of America | 24,700 | 22,845 | |
| Siemens Energy AG | Public | Parent | Germany | 92,000 | 34,288 | |
| Oil and Natural Gas Corp Ltd | Public | Parent | India | 27,165 | 72,023 | |
| Raizen SA | Public | Parent | Brazil | XXX | XXX | |
| Energy Transfer LP | Public | Parent | United States of America | 12,558 | 67,417 | |
| BHP | Public | Parent | Australia | 37,908 | 65,098 | |
| Petroliam Nasional Bhd | Government | Parent | Malaysia | 48,679 | 59,870 | |
| Idemitsu Kosan Co Ltd | Public | Parent | Japan | 14,209 | 59,530 | |
| Repsol SA | Public | Parent | Spain | 24,309 | 58,821 | |
| Hindustan Petroleum Corp Ltd | Public | Subsidiary (of Oil and Natural Gas Corp Ltd) | India | 9,065 | 50,673 | |
| Siberian Coal Energy Co | Private | Parent | Russia | 73,000 | 9,743 | |
| Sonatrach SpA | Government | Parent | Algeria | XXX | XXX | |
| Teck Resources Ltd | Public | Parent | Canada | 10,600 | 10,755 | |
| Plains All American Pipeline LP | Public | Subsidiary (of Plains GP Holdings LP) | United States of America | 4,100 | 42,078 | |
| Plains GP Holdings LP | Public | Parent | United States of America | 4,100 | 42,078 | |
| CNOOC Ltd | Public | Subsidiary (of China National Offshore Oil Corp ) | China | 18,887 | 38,157 | |
| Banpu PCL | Public | Parent | Thailand | 5,707 | 4,124 | |
| Polski Koncern Naftowy Orlen SA | Public | Parent | Poland | 35,424 | 34,036 | |
| World Fuel Services Corp | Public | Parent | United States of America | 4,414 | 31,337 | |
| Suncor Energy Inc | Public | Parent | Canada | 16,922 | 31,218 | |
| Bank of Communications Co Ltd | Public | Parent | China | 90,654 | 76,931 | |
| Compania Espanola de Petroleos SAU | Private | Subsidiary (of CEPSA Holding LLC ) | Spain | XXX | XXX | |
| LG Energy Solution | Public | Subsidiary (of LG Chem Ltd ) | South Korea | XXX | XXX | |
| Occidental Petroleum Corp | Public | Parent | United States of America | 11,678 | 26,122 | |
| PBF Energy Inc | Public | Parent | United States of America | 3,418 | 27,253 | |
| Naturgy Energy Group SA | Public | Parent | Spain | 7,115 | 26,179 | |
| Ecopetrol SA | Public | Parent | Colombia | 9,150 | 24,543 | |
| Vibra Energia SA | Public | Parent | Brazil | XXX | XXX |
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