| S.no | Company Name | Founded | Country |
|---|---|---|---|
| 1 | Pilz Automation Safety L.P. | USA | |
| 2 | Altech Corp. | USA | |
| 3 | PICS INC | USA | |
| 4 | Basler Electric Co. | USA | |
| 5 | Circuit Breaker Sales Co. Inc. | USA | |
| 6 | Bender Inc. | USA | |
| 7 | ABB | USA | |
| 8 | General Electric Co. | USA | |
| 9 | SSAC Inc. | USA | |
| 10 | R-K Electronics Inc. | USA | |
| 11 | TE Connectivity | USA | |
| 12 | HBcontrols Inc. | USA | |
| 13 | Smith & Loveless Inc. | USA | |
| 14 | Kraus & Naimer Inc. | USA | |
| 15 | Macromatic Industrial Controls Inc. | USA | |
| 16 | Deltrol Controls | USA | |
| 17 | Encorp LLC | USA | |
| 18 | Carlo Gavazzi Inc. | USA | |
| 19 | Hoyt Electrical Instrument Works Inc. | USA |
