| 1 | SSAC Inc. | | USA |
| 2 | R-K Electronics Inc. | | USA |
| 3 | Eaton Crouse-Hinds Division | | USA |
| 4 | Macromatic Industrial Controls Inc. | | USA |
| 5 | Instrumentation & Control Systems Inc. | | USA |
| 6 | c3controls | | USA |
| 7 | Esterline Power Systems | | USA |
| 8 | ABB | | USA |
| 9 | Siemens Energy Inc. | | USA |
| 10 | Wen Technology Inc. | | USA |
| 11 | Mercury Displacement Industries Inc. (MDI Inc.) | | USA |
| 12 | PICS INC | | USA |
| 13 | Vynckier Controls Inc. | | USA |
| 14 | Quality Engineering Products Corp. | | USA |
| 15 | Basler Electric Co. | | USA |
| 16 | ABB Control Inc. | | USA |
| 17 | Siemens Industry – Digital Factory – Machine Tool Systems | | USA |
| 18 | Electro-Matic Products Inc. | | USA |
| 19 | Toshiba International Corp. | | USA |
| 20 | Encorp LLC | | USA |
| 21 | Newmar | | USA |
| 22 | Cerus Industrial Inc. | | USA |
| 23 | Kilovac Products From CII Technologies | | USA |
| 24 | Wisconsin Oven Corp. | | USA |
| 25 | Rockwell Automation | | USA |
| 26 | Techspan Industries Inc. | | USA |
| 27 | SAE Manufacturing Specialties Corp | | USA |
| 28 | WEG Electric Corp. | | USA |
| 29 | Yaskawa America Inc. – Drives & Motion Division | | USA |
| 30 | Tsubaki of Canada Limited | | USA |
| 31 | NOARK Electric North America | | USA |
| 32 | Pilz Automation Safety L.P. | | USA |
| 33 | U.S. Tsubaki Inc. | | USA |
| 34 | LS Electric America Inc. | | USA |
| 35 | Littelfuse Inc. | | USA |
| 36 | Altech Corp. | | USA |
| 37 | Norberg – IES | | USA |
| 38 | Springer Controls Co. | | USA |
| 39 | Hoyt Electrical Instrument Works Inc. | | USA |
| 40 | Vynckier Enclosure Systems Inc. | | USA |
| 41 | Schneider Electric | | USA |
| 42 | Kraus & Naimer Inc. | | USA |
| 43 | Mar-Cor Purification | | USA |
| 44 | Sprecher + Schuh | | USA |
| 45 | AMS Filling Systems Inc. | | USA |
| 46 | General Electric Co. | | USA |
| 47 | Worldwide Electric Corp | | USA |
| 48 | Sylvania | | USA |