| Company Name | Entity type | Parent/Subsidiary/Independent | Headquarters | No. of Employees | Annual Revenue ($M) | |
|---|---|---|---|---|---|---|
| Breakthrough Energy Ventures LLC | Private | Subsidiary (of Breakthrough Energy ) | United States of America | XYZ | XYZ | |
| Breakthrough Energy, LLC | Private | Independent | France | XYZ | XYZ | |
| Valero Energy Corp | Public | Parent | United States of America | 9,886 | 144,766 | |
| Energy Transfer LP | Public | Parent | United States of America | 13,786 | 78,586 | |
| PBF Energy Inc | Public | Parent | United States of America | 3,776 | 38,325 | |
| Cenovus Energy Inc | Public | Parent | Canada | 5,998 | 38,690 | |
| Suncor Energy Inc | Public | Parent | Canada | 14,906 | 36,383 | |
| Siemens Energy AG | Public | Parent | Germany | 97,000 | 32,722 | |
| Duke Energy Corp | Public | Parent | United States of America | 27,037 | 29,060 | |
| NRG Energy Inc | Public | Parent | United States of America | 18,131 | 28,823 | |
| NextEra Energy Inc | Public | Parent | United States of America | 16,800 | 28,114 | |
| China Energy Engineering Corp Ltd | Public | Subsidiary (of China Energy Engineering Group Co Ltd) | China | 117,039 | 57,408 | |
| Constellation Energy Corp | Public | Parent | United States of America | XYZ | XYZ | |
| China Shenhua Energy Co Ltd | Public | Subsidiary (of CHN ENERGY Investment Group Co Ltd) | China | 83,439 | 48,507 | |
| Cheniere Energy Inc | Public | Parent | United States of America | 1,605 | 20,394 | |
| Eversource Energy | Public | Parent | United States of America | 10,171 | 11,906 | |
| LG Energy Solution Ltd | Public | Subsidiary (of LG Chem Ltd ) | South Korea | XYZ | XYZ | |
| Jizhong Energy Group Co Ltd | Private | Parent | China | XYZ | XYZ | |
| Berkshire Hathaway Energy Co | Private | Subsidiary (of Berkshire Hathaway Inc) | United States of America | 23,700 | 25,602 | |
| Constellation Energy Generation LLC | Private | Subsidiary (of Constellation Energy Corp ) | United States of America | 13,813 | 24,918 | |
| Nayara Energy Ltd | Private | Joint Venture | India | XYZ | 16,692 | |
| Kunlun Energy Co Ltd | Public | Subsidiary (of China National Petroleum Corp) | Hong Kong | 27,138 | 25,076 | |
| Naturgy Energy Group SA | Public | Parent | Spain | 6,907 | 24,459 | |
| Devon Energy Corp | Public | Parent | United States of America | 1,900 | 15,258 | |
| Dominion Energy Inc | Public | Parent | United States of America | 17,700 | 14,393 | |
| Xcel Energy Inc | Public | Parent | United States of America | 11,311 | 14,206 | |
| EDF Energy Ltd | Private | Subsidiary (of EDF Energy Holdings Ltd) | United Kingdom | 825 | 13,470 | |
| China Coal Energy Co Ltd | Public | Subsidiary (of China National Coal Group Corp ) | China | 47,122 | 27,284 | |
| DTE Energy Co | Public | Parent | United States of America | 9,950 | 12,745 | |
| Viva Energy Group Ltd | Public | Parent | Australia | 1,705 | 17,758 | |
| TC Energy Corporation | Public | Parent | Canada | 7,415 | 11,809 | |
| EDF Energy Holdings Ltd | Private | Subsidiary (of Electricite de France SA) | United Kingdom | XYZ | 16,886 | |
| Origin Energy Ltd | Public | Parent | Australia | 5,630 | 11,431 | |
| Vivo Energy Ltd | Private | Subsidiary (of Vitol Holding BV) | United Kingdom | 2,800 | 10,969 | |
| ENN Energy Holdings Ltd | Public | China | 34,567 | 16,098 | ||
| CVR Energy Inc | Public | Subsidiary (of Icahn Enterprises Holdings LP ) | United States of America | 1,470 | 10,896 | |
| Cosmo Energy Holdings Co Ltd | Public | Parent | Japan | 6,659 | 20,625 | |
| Woodside Energy Group Ltd | Public | Parent | Australia | 4,667 | 13,994 | |
| AGL Energy Ltd | Public | Parent | Australia | 3,881 | 9,819 | |
| Husky Energy Inc | Private | Subsidiary (of Cenovus Energy Inc) | Canada | 4,600 | 9,919 | |
| Helleniq Energy Holdings SA | Public | Greece | 3,646 | 13,846 | ||
| CenterPoint Energy Inc | Public | Parent | United States of America | 8,827 | 8,696 | |
| Diamondback Energy Inc | Public | Parent | United States of America | 1,023 | 8,412 | |
| Yankuang Energy Group Co Ltd | Public | Subsidiary (of Yankuang Group) | China | 79,242 | 16,745 | |
| Puma Energy Holding Pte Ltd | Private | Joint Venture | Singapore | 3,137 | 15,897 | |
| Gibson Energy Inc | Public | Parent | Canada | 2,520 | 8,163 | |
| Chesapeake Energy Corp | Public | Parent | United States of America | 1,000 | 7,775 | |
| CMS Energy Corp | Public | Parent | United States of America | 8,356 | 7,462 | |
| Abu Dhabi National Energy Co | Public | Subsidiary (of Abu Dhabi Power Corp ) | United Arab Emirates | 1,119 | 14,083 | |
| LONGi Green Energy Technology Co Ltd | Public | Parent | China | 75,066 | 18,310 |
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