| Company Name | Entity type | Parent/Subsidiary/Independent | Headquarters | No. of Employees | Annual Revenue ($M) | |
|---|---|---|---|---|---|---|
| PetroChina Co Ltd | Public | Subsidiary (of China National Petroleum Corp) | China | 386,912 | 425,723 | |
| PT Pertamina (Persero) | Government | Parent | Indonesia | 33,596 | 84,888 | |
| Shell plc | Public | Parent | United Kingdom | 103,000 | 316,620 | |
| TotalEnergies SE | Public | Parent | France | 102,579 | 218,945 | |
| Marathon Petroleum Corp | Public | Parent | United States of America | 18,200 | 150,090 | |
| Phillips 66 | Public | Parent | United States of America | 14,000 | 147,399 | |
| Valero Energy Corp | Public | Parent | United States of America | 9,886 | 144,766 | |
| Petroleos Mexicanos | Government | Parent | Mexico | 120,054 | 118,562 | |
| Reliance Industries Ltd | Public | Parent | India | 389,414 | 113,586 | |
| Rosneft Oil Co | Public | Russia | 334,600 | 107,241 | ||
| Energeticky a Prumyslovy Holding AS | Private | Parent | Czech Republic | XYZ | 39,034 | |
| Raizen SA | Public | Parent | Brazil | 44,738 | 47,621 | |
| Alpiq Holding AG | Private | Parent | Switzerland | 1,180 | 15,367 | |
| CTBC Financial Holding Co Ltd | Public | Parent | Taiwan | 24,533 | 15,150 | |
| Siemens Energy AG | Public | Parent | Germany | 97,000 | 32,722 | |
| Orlen SA | Public | Poland | 64,494 | 88,753 | ||
| Oil and Natural Gas Corp Ltd | Public | Parent | India | 25,993 | 87,273 | |
| Idemitsu Kosan Co Ltd | Public | Parent | Japan | 14,363 | 69,859 | |
| BJ's Wholesale Club Holdings Inc | Public | Parent | United States of America | XYZ | XYZ | |
| Repsol SA | Public | Parent | Spain | 25,059 | 63,748 | |
| MediaMarktSaturn Retail Group GmbH | Private | Subsidiary (of Ceconomy AG) | Germany | 50,000 | 25,779 | |
| ConocoPhillips | Public | Parent | United States of America | 9,900 | 56,141 | |
| QatarEnergy | Government | Parent | Qatar | XYZ | 52,256 | |
| Enterprise Products Partners LP | Public | Parent | United States of America | 7,447 | 49,715 | |
| AG Anadolu Grubu Holding AS | Public | Parent | Turkey | XYZ | XYZ | |
| Plains GP Holdings LP | Public | Parent | United States of America | 4,200 | 48,712 | |
| American Electric Power Co Inc | Public | United States of America | 17,250 | 18,982 | ||
| Constellation Energy Corp | Public | Parent | United States of America | XYZ | XYZ | |
| Power Corporation of Canada | Public | Subsidiary (of Pansolo Holding Inc ) | Canada | 37,300 | 16,454 | |
| Helvetia Group | Public | Parent | Switzerland | 13,276 | 10,884 | |
| Vattenfall AB | Private | Parent | Sweden | 19,638 | 23,697 | |
| Southern Co | Public | United States of America | 28,100 | 25,253 | ||
| Sempra | Public | Parent | United States of America | 16,835 | 16,720 | |
| EDF Energy Holdings Ltd | Private | Subsidiary (of Electricite de France SA) | United Kingdom | XYZ | 16,886 | |
| Cenovus Energy Inc | Public | Parent | Canada | 5,998 | 38,690 | |
| F. Hoffmann-La Roche Ltd | Public | Parent | Switzerland | 103,605 | 65,356 | |
| HollyFrontier Corp | Private | Subsidiary (of HF Sinclair Corp ) | United States of America | XYZ | 38,205 | |
| Xcel Energy Inc | Public | United States of America | 11,311 | 14,206 | ||
| Suncor Energy Inc | Public | Parent | Canada | 14,906 | 36,383 | |
| Puma Energy Holding Pte Ltd | Private | Joint Venture | Singapore | 3,137 | 15,897 | |
| Korea Gas Corp | Public | South Korea | 3,505 | 34,131 | ||
| Schlumberger Ltd | Public | Parent | United States of America | 111,000 | 33,135 | |
| maxingvest ag | Private | Parent | Germany | XYZ | 10,883 | |
| Vestas Wind Systems AS | Public | Parent | Denmark | 30,586 | 16,635 | |
| Cosmo Energy Holdings Co Ltd | Public | Parent | Japan | 6,659 | 20,625 | |
| State Oil Company of the Azerbaijan Republic | Government | Parent | Azerbaijan | XYZ | XYZ | |
| Turkiye Petrol Rafinerileri AS | Public | Subsidiary (of Koc Holding AS) | Turkey | 6,055 | 28,866 | |
| Berkshire Hathaway Energy Co | Private | Subsidiary (of Berkshire Hathaway Inc) | United States of America | 24,000 | 26,337 | |
| Provincial Electricity Authority | Government | Parent | Thailand | XYZ | XYZ | |
| San Miguel Corp | Public | Subsidiary (of Top Frontier Investment Holdings Inc) | Philippines | 50,443 | 27,664 |
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