| Air-Exchanger | FP-Diesel | Murphy |
| Air-Maze | France | Parker |
| Ajax | Frick | PIC |
| Altronic | Garlock | Power Engineering |
| Amot | Garret | Power Quick |
| Ariel | Garzo | Ren |
| Arrrow | Gemini | Spinner |
| Baldwin | GHH Rand | Stitt |
| BG | Graco | Sullair |
| Caterpiller | Hercules | TDI |
| Champion | Hy-Lok | Tucker seats |
| Clark | Impco | Trabon |
| Clevite | Ingersoll-Rand | Twin-Disc |
| Cummins | IPD | Watts |
| Demming | John Crane | Waukesha |
| Dorman | Kenco | Wesco valves |
| Dresser-Rand | Knight | White Superior |
| Endyn | Lincoln | Wika |
| Fisher | Nelson-Winslow | Woodward |
| Failure Prevention Services FPS | Moore | Worthington |