| Company Name | Entity type | Parent/Subsidiary/Independent | Headquarters | No. of Employees | Annual Revenue ($M) | |
|---|---|---|---|---|---|---|
| China Nuclear Engineering & Construction Corp | Public | Subsidiary (of China National Nuclear Corp ) | China | XYZ | XYZ | |
| CGN Power Co Ltd | Public | Subsidiary (of China General Nuclear Power Corp Ltd ) | China | 19,038 | 11,671 | |
| China National Nuclear Power Co Ltd | Public | Subsidiary (of China National Nuclear Corp ) | China | 17,090 | 10,595 | |
| Cardinal Health Inc | Public | Parent | United States of America | 48,000 | 205,012 | |
| Orano SA | Private | Parent | France | 19,776 | 4,455 | |
| Framatome SAS | Private | Subsidiary (of Electricite de France SA ) | France | XYZ | XYZ | |
| Korea Electric Power Corp | Public | Parent | South Korea | XYZ | 67,579 | |
| Enel SpA | Public | Italy | 61,055 | 100,446 | ||
| Sellafield Ltd | Private | Subsidiary (of Nuclear Decommissioning Authority ) | United Kingdom | XYZ | XYZ | |
| NNEGC Energoatom | Private | Independent | Ukraine | XYZ | 3,071 | |
| Engie SA | Public | Parent | France | 97,297 | 89,288 | |
| POSCO Holdings Inc | Public | Parent | South Korea | 32,287 | 59,082 | |
| Bechtel Corp | Private | Subsidiary (of Bechtel Group Inc ) | United States of America | XYZ | 16,800 | |
| AWE Plc | Private | Independent | United Kingdom | XYZ | XYZ | |
| Hyundai Engineering & Construction Co Ltd | Public | Parent | South Korea | 6,360 | 22,714 | |
| Urenco Ltd | Private | Parent | United Kingdom | 1,746 | 1,805 | |
| MHWirth AS | Private | Subsidiary (of Akastor ASA ) | Germany | XYZ | XYZ | |
| Chubu Electric Power Co Inc | Public | Parent | Japan | 28,367 | 29,452 | |
| Vattenfall AB | Private | Parent | Sweden | 19,638 | 23,697 | |
| RWE AG | Public | Parent | Germany | 20,135 | 30,892 | |
| Berkshire Hathaway Energy Co | Private | Subsidiary (of Berkshire Hathaway Inc) | United States of America | 24,000 | 26,337 | |
| EDF Energy Ltd | Private | Subsidiary (of EDF Energy Holdings Ltd) | United Kingdom | 825 | 13,470 | |
| Societatea Nationala Nuclearelectrica SA | Public | Parent | Romania | 2,345 | 1,359 | |
| Huntington Ingalls Industries Inc | Public | Parent | United States of America | 44,000 | 11,454 | |
| EDF Energy Holdings Ltd | Private | Subsidiary (of Electricite de France SA) | United Kingdom | XYZ | 16,886 | |
| Tohoku Electric Power Co Inc | Public | Parent | Japan | 24,528 | 22,216 | |
| Duke Energy Corp | Public | United States of America | 27,037 | 29,060 | ||
| Florida Power & Light Co | Private | Subsidiary (of NextEra Energy Inc) | United States of America | 9,300 | 17,282 | |
| China Energy Engineering Corp Ltd | Public | Subsidiary (of China Energy Engineering Group Co Ltd) | China | 115,939 | 54,455 | |
| CGN Nuclear Technology Development Co Ltd | Public | Independent | China | XYZ | XYZ | |
| Carbone Lorraine (Departement Specialites & Materiaux Avances) | Private | Independent | France | XYZ | XYZ | |
| Kyushu Electric Power Co Inc | Public | Parent | Japan | 21,096 | 16,410 | |
| Southern California Edison Co | Private | Subsidiary (of Edison International) | United States of America | 14,316 | 16,275 | |
| Rolls-Royce Holdings Plc | Public | Parent | United Kingdom | 41,400 | 20,497 | |
| Atomic Energy of Canada Ltd | Government | Parent | Canada | 49 | 921 | |
| SMA group | Private | Independent | Germany | XYZ | XYZ | |
| Team Inc | Public | Parent | United States of America | 5,400 | 863 | |
| Altrad Babcock Ltd | Private | Subsidiary (of Altrad Investment Authority SAS ) | United Kingdom | XYZ | XYZ | |
| Orca Gold Inc | Private | Subsidiary (of Perseus Mining Ltd ) | Canada | XYZ | XYZ | |
| Dongfang Electric Corporation Ltd | Public | Parent | China | 17,426 | 8,579 | |
| Ontario Power Generation Inc | Private | Parent | Canada | 10,595 | 5,647 | |
| SPIE SA | Public | Parent | France | 49,725 | 9,436 | |
| Eskom Holdings SOC Ltd | Government | Parent | South Africa | 40,421 | 16,682 | |
| Vistra Corp | Public | Parent | United States of America | 4,870 | 14,779 | |
| Public Service Enterprise Group Inc | Public | United States of America | 12,543 | 11,237 | ||
| SNC-Lavalin Group Inc | Public | Parent | Canada | 37,246 | 6,399 | |
| Virginia Electric and Power Co | Private | Subsidiary (of Dominion Energy Inc) | United States of America | 6,900 | 7,470 | |
| Magnox Ltd | Government | Subsidiary (of Cavendish Fluor Partnership ) | United Kingdom | XYZ | XYZ | |
| Dominion Energy Inc | Public | United States of America | 17,700 | 14,393 | ||
| Tennessee Valley Authority | Government | Independent | United States of America | 10,390 | 12,540 |
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