| 1 | Enercorp Instruments Ltd. | | USA |
| 2 | NTE Electronics Inc. | | USA |
| 3 | Non-Linear Systems | | USA |
| 4 | Moore Industries International Inc. | | USA |
| 5 | Unimar Inc. | | USA |
| 6 | Jameco Electronic Components & Computer Products | | USA |
| 7 | PICS INC | | USA |
| 8 | Bender Inc. | | USA |
| 9 | AMETEK Solidstate Controls | | USA |
| 10 | Edwards Signaling & Security Systems | | USA |
| 11 | Sylvania | | USA |
| 12 | Celduc Inc. | | USA |
| 13 | Mercury Displacement Industries Inc. (MDI Inc.) | | USA |
| 14 | Song Chuan USA | | USA |
| 15 | LFE/API Meters | | USA |
| 16 | Davis Instruments | | USA |
| 17 | Time Mark Corp. | | USA |
| 18 | HBcontrols Inc. | | USA |
| 19 | Allied Controls Inc. | | USA |
| 20 | Therm-X | | USA |
| 21 | Hoyt Electrical Instrument Works Inc. | | USA |
| 22 | Elk Products Inc. | | USA |
| 23 | Relay Associates | | USA |
| 24 | Advanced Signaling Company Inc. | | USA |
| 25 | Strainsert Co. | | USA |
| 26 | Motor Protection Electronics (MPE) | | USA |
| 27 | Exponential Power | | USA |
| 28 | Acromag Inc. | | USA |
| 29 | Yaskawa America Inc. – Drives & Motion Division | | USA |
| 30 | AEI | | USA |
| 31 | Amperite Co. | | USA |
| 32 | Fox Valley Fire & Safety | | USA |
| 33 | Standard Motor Products Inc. (SMP) | | USA |
| 34 | U.S. Tsubaki Inc. | | USA |
| 35 | Madison Company | | USA |
| 36 | Weschler Instruments – Div. of Hughes Corp. | | USA |
| 37 | SE Relays | | USA |
| 38 | Littelfuse Inc. | | USA |
| 39 | Siemens Corporation | | USA |
| 40 | Relay Service Co. | | USA |
| 41 | R-K Electronics Inc. | | USA |
| 42 | General Electric Co. | | USA |
| 43 | Dwyer Instruments Inc. | | USA |
| 44 | SSAC Inc. | | USA |
| 45 | Hasco Relays & Electronics International Corp. | | USA |
| 46 | ABB | | USA |
| 47 | Hampton Controls Inc. | | USA |
| 48 | E-T-A Control Instruments | | USA |
| 49 | Finder Worldwide | | USA |
