| Company Name | Entity type | Parent/Subsidiary/Independent | Headquarters | No. of Employees | Annual Revenue ($M) | |
|---|---|---|---|---|---|---|
| Shell plc | Public | Parent | United Kingdom | 93,000 | 381,314 | |
| Electricite de France SA | Private | Parent | France | 165,028 | 150,869 | |
| Avangrid Inc | Public | Subsidiary (of Iberdrola SA) | United States of America | 7,579 | 7,923 | |
| Equinor ASA | Public | Parent | Norway | 21,936 | 149,004 | |
| TotalEnergies SE | Public | Parent | France | 101,279 | 263,310 | |
| Engie SA | Public | Parent | France | 96,454 | 98,701 | |
| Iberdrola SA | Public | Parent | Spain | 42,042 | 56,729 | |
| Repsol SA | Public | Parent | Spain | 25,050 | 79,025 | |
| HollyFrontier Corp | Private | Subsidiary (of HF Sinclair Corp ) | United States of America | 5,223 | 38,205 | |
| Raizen SA | Public | Parent | Brazil | 44,738 | 47,621 | |
| Naturgy Energy Group SA | Public | Parent | Spain | 7,112 | 35,715 | |
| Delek US Holdings Inc | Public | Parent | United States of America | 3,746 | 20,246 | |
| Berkshire Hathaway Energy Co | Private | Subsidiary (of Berkshire Hathaway Inc) | United States of America | 24,000 | 26,337 | |
| The Andersons Inc | Public | Parent | United States of America | 2,283 | 17,325 | |
| Galp Energia SGPS SA | Public | Parent | Portugal | 6,715 | 28,560 | |
| American Electric Power Co Inc | Public | Parent | United States of America | 16,974 | 19,640 | |
| Neste Corp | Public | Parent | Finland | 6,104 | 27,032 | |
| PGE Polska Grupa Energetyczna SA | Public | Parent | Poland | 38,013 | 16,484 | |
| EDP Renovaveis SA | Public | Subsidiary (of Energias de Portugal SA) | Spain | 3,063 | 2,494 | |
| Scottish Power Ltd | Private | Subsidiary (of Iberdrola SA) | United Kingdom | 5,750 | 10,396 | |
| MasTec Inc | Public | Parent | United States of America | 32,000 | 9,778 | |
| Verbund AG | Public | Parent | Austria | 3,752 | 10,879 | |
| SSE Plc | Public | Parent | United Kingdom | 12,180 | 15,396 | |
| The Tata Power Co Ltd | Public | Subsidiary (of Tata Sons Pvt Ltd ) | India | 3,071 | 7,023 | |
| Union Pacific Corp | Public | Parent | United States of America | 31,766 | 24,875 | |
| Aperam SA | Public | Parent | Luxembourg | 10,900 | 8,576 | |
| Saras SpA | Public | Parent | Italy | 1,576 | 16,652 | |
| KBR Inc | Public | Parent | United States of America | 30,000 | 6,564 | |
| Mytilineos SA | Public | Parent | Greece | 3,444 | 6,631 | |
| Subsea 7 SA | Public | Parent | United Kingdom | 8,062 | 5,136 | |
| EL Sewedy Electric Co | Public | Parent | Egypt | 17,000 | 4,805 | |
| Primoris Services Corp | Public | Parent | United States of America | 2,509 | 4,421 | |
| SNC-Lavalin Group Inc | Public | Parent | Canada | 33,876 | 5,800 | |
| TransAlta Renewables Inc | Public | Subsidiary (of TransAlta Corp ) | Canada | XYZ | 430 | |
| Sembcorp Industries Ltd | Public | Subsidiary (of Temasek Holdings Pvt Ltd) | Singapore | 4,981 | 5,677 | |
| Aker Solutions ASA | Public | Parent | Norway | 16,026 | 4,311 | |
| Tenaga Nasional Bhd | Public | Parent | Malaysia | 34,699 | 11,568 | |
| Calumet Specialty Products Partners LP | Public | Parent | United States of America | 1,530 | 4,687 | |
| Via Renewables Inc | Public | Parent | United States of America | XYZ | XYZ | |
| X-Elio | Private | Independent | Spain | XYZ | XYZ | |
| Acwa Power Co | Public | Parent | Saudi Arabia | XYZ | 1,409 | |
| EDF Renewables SA | Private | Subsidiary (of Electricite de France SA) | France | 4,514 | 2,269 | |
| NUON UK Ltd | Private | Subsidiary (of Vattenfall NV ) | United Kingdom | XYZ | XYZ | |
| R.Power SA | Private | Independent | Poland | XYZ | XYZ | |
| Alleans Renewables Ltd | Private | Parent | United Kingdom | XYZ | XYZ | |
| Jupiter Renewables LLC | Private | Independent | United States of America | XYZ | XYZ | |
| Subterra Capital Partners Inc | Private | Independent | Canada | XYZ | XYZ | |
| TCI Renewables Ltd | Private | Parent | United Kingdom | XYZ | XYZ | |
| Open Renewables SA | Private | Independent | Portugal | XYZ | XYZ | |
| Anza RE, LLC | Private | Independent | United States of America | XYZ | XYZ |
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