| K & E |
|
| United Detector Technology |
|
| Oriel Corp |
|
| Laakmann Electro-Optics |
|
| |
|
| The Rowan Controller Company |
|
| Rofin |
|
| Nec Corporation |
|
| Chatillon |
|
| |
|
| Leybold Inficon |
|
|
| Ballantine Laboratories, Inc. |
|
| Phase 2 Automation |
|
| |
|
| Hyprez |
|
| Schaevitz |
|
| Acroprint Time Recorder Co. |
|
| Powerstat |
|
| |
|
| Fischer Technology Inc. |
|
| Topaz |
|
| Protec Microsystems Inc. |
|
| Judson Infared |
|
| |
|
| Ithaco |
|
| Xanadu Controls |
|
