1. ABB Ltd.
2. Boardman Transformers Ltd.
3. Controlled Magnetics Inc.
4. Custom Coils
5. Dongan Electric Manufacturing Company
6. Eaton Corporation PLC
7. Foster Transformer Company
8. General Electric Company
9. Micron Technology Inc.
10. RECO Transformers Pvt. Ltd.
11. Rockwell Automation Inc.
12. Schneider Electric SE
13. Siemens AG
14. SNC Manufacturing Company Inc.
15. TEMCo Industrial LLC