| Dynamic Fluid Components |
| Red Lion Controls |
| Marsh Instruments |
| Harwal Inc. |
| Manville |
| Federal-Mogul |
| SKF |
| Chicago Rawhide |
| Chem/Tech |
| SPC Technology-Voltrex |
| Ohmite |
| Veeder-Root |
| Danaher Controls |
| Cooper/Crouse-Hinds |
| Macromatic |
| Potter & Brumfield |
| SOR |
| Industrial Solid State Controls Inc. |
| Omnetics |
| Bircher |
| A.A. Electric |
| ECA |
| Beckman Industrial |
| Magnecraft |
| KB Electronics Inc. |
| Wirth Tool & Machine Corp |
| Mekontrol |
| Athena |
| Pegasus |
| MAS |
| Pistelli G. Elettronica |
| Schrader Automation Products |
| Excelon |
| Wima |
| ABM |
| Cooper Bussmann |
| SRM |
| Power-One International |
| ASEA |
| Universal Silencer |
