| Ameren Company | Hawaiian Electric | Pacific Gas and Electric |
| Bechtel National, Inc. | Hunt Refining Company | Pennsylvania Power and Light |
| Bruce Power | Invensys Systems, Inc. | PSEG Nuclear |
| Dominion Power | ISO New England, Inc. | RE Energy |
| Dow Chemical | MOX Services, LLC | Shaw Areva |
| Duke Energy | NEK – Nuklearna elektrarna Krško | South Texas Project |
| Entergy | Nextera Energy | Southern Company |
| Ergon, Inc | Novartis Consumer Health Inc. | Texas Dept. of Liscensing and Regulation |
| Exelon Corporation | Nuclear Fuel Services | Wisconsin Energies |
| Florida Power and Light | Oglethorpe Power | Xcel Services Corporation |
| Grant County Public Utility District | Ontario Power Generation | |
