ISO 9001:2015 Multi-site
- Westinghouse Electric Company UK Limited (Galemire)
- Westinghouse Electric Company Cranberry
- Westinghouse Electric Belgium
- Westinghouse Energy Systems, Branch Bulgaria
- Westinghouse Electric Czech Republic s.r.o.
- Westinghouse Electric Spain (Hospitalet)
- Westinghouse Electric Spain and Westinghouse Technology Services (Madrid)
- Westinghouse Technology Services (Tarragona)
- Westinghouse Electrique France (Orsay)
- Westinghouse Electrique France (Metz)
- Westinghouse Electrique France (Marseille)
- Westinghouse UK Regional Office (Springfields)
- Westinghouse Electric Company (Ogden)
- Westinghouse Electric Company (New Stanton)
- Fauske & Associates
- Westinghouse Electric Company (Newington)
- Westinghouse Electric Company (Windsor)
- Westinghouse Electric Company (Chattanooga)
- Westinghouse Electric Company (Warrendale)
- Westinghouse Electric Company (Blairsville)
- Westinghouse Electric Company (Columbia)
- Westinghouse Electric Company (Waltz Mill)
- Westinghouse Electric Company (Shoreview)
- NuCrance Manufacturing LLC
- Westinghouse Electric Company (Churchill)
- Westinghouse Electric Company (Rock Hill)
- WesDyne International (Windsor)
- WesDyne International (Waltz Mill)
ISO 19443:2018 Multi-site
- Westinghouse Electric Company Cranberry
- Westinghouse Electric Company (Chattanooga)
- Westinghouse Electric Company (Hopkins)
- Westinghouse Electric Company (Newington)
- Westinghouse Electrique France (Marseille)
- Westinghouse Electrique France (Metz)
- Westinghouse Electrique France (Villejust)
- Westinghouse Electric Belgium (Nivelles)
Westinghouse Springfields
ISO 9001:2015 Springfield Fuels Ltd
Westinghouse Sweden
ISO 9001:2015 - Westinghouse Electric Sweden AB
ISO 14001:2015 - Westinghouse Electric Sweden AB
ISO 45001:2018 - Westinghouse Electric Sweden AB
ISO 19443:2018 - Westinghouse Electric Sweden AB
ISO 9001:2015 (English)
ISO 9001:2015 (Chinese)
Westinghouse Electric Germany
ISO 9001 (English)ISO 9001 (German)
Mangiarotti S.p.A.
ISO 3834.2-Mangiarotti SpA
ISO 9001-Mangiarotti SpA
ISO 19443:2018-Mangiarotti SpA