Manufacturers
| Appleton | Asco | Automatic Timing & Controls | Bacharach | Barksdale |
| B-Line | Bosch Rexroth | BW Technologies | Campbell Hausfeld | Cattron Theimeg |
| Champion Fiber Glass | Chatillon (Ametek) | Cooper Lighting | Datalogic | Dynapar |
| Elcometer | Esab | Euchner | Federal Signal | Foxboro |
| GE Multilin | General Electric | Grasslin Controls | Harris Welco | Harting |
| Hubbell | Hypertherm | Insul-8 | Joslyn Clark | Killark |
| Kobold | Leviton | Lincoln | Lubriquip | Master Pneumatic |
| Miller | Norgren | Norton | Plymouth | Powerware (Best Power) |
| Priority Wire & Cable | Pulsar | Raychem | Rees | Ross |
| Safetronics | Sheen | Signet | Staubli | Stearns |
| Stoody | Telemotive | Thermadyne | Thermoweld | Vartech Systems |
| Vickers | Victor | Watlow | Weidmuller | Wika |