?- Mitsubishi Heavy Industries Ltd
- Westinghouse Electric Company LLC
- Bharat Heavy Electricals Limited
- Hitachi-GE Nuclear Energy Ltd
- BWX Technologies Inc.
- Bilfinger SE
- Larsen & Toubro Limited
- Doosan Corp
- Babcock & Wilcox Enterprises Inc.
- Toshiba America Energy Systems Corporation
- China National Nuclear Corporation
- Rosatom Corp.