| Machine Tool Control |
| Groschopp |
| Moro |
| AKS |
| Glentex Corp |
| Lincoln Electric |
| Bimba |
| ABB |
| Fowler |
| Meech |
| G.C. Leak Detectors |
| Murrelektronik |
| Mercury Displacement Industries MDI |
| Adtech Power |
| Mannesmann-Rexroth |
| MBK |
| Durakool |
| Waukesha Fluid Handling |
| L-R Systems |
| Wihcov |
| N Supply |
| EZ Heat Corporation |
| Heatron |
| Tempco |
| E-Loaders Company |
| REC |
| Acme Electric Corporation |
| Transamerica Delaval |
| S+S (Search and Separate) |
| Loar |
| Schrader-Bellows |
| SMc |
| Blow Mould Engineering |
| Vickers |
| EL |
| Sperry-Vickers |
| Northman |
| Edwards Engineering |
| Wilkerson |
| Bosch |
