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| Maurey Instrument Corporation | |
| Insul 8 Corporation | ||
| IEC CORPORATION | ||
| Northrop Grumman Poly Scientific | ||
| Mica and Micanite Insulator | ||
| Focal Technologies Inc. | ||
| Airflyte Electronics Co. | ||
| M.I. Watson Electric Limited | ||
| Trolex Engineering | ||
| Litton Precision Products Int. Inc. - - - | ||
| Electro tec Corp. | ||
| The J.M. Ney Company Ney Industrial Park - Bloomfield, CT 06002 USA - - | ||
| Attica Components Limited | ||
| SCHLEIFRING und Apparatebau GmbH | ||
| Gleason Reel / Hubbell | ||
| Meridian Laboratory | ||
| Kaydon Corporation | ||
| The Sibley Company | ||
| Danmar Industries, Inc. | ||
| Industrial Power & Control | ||
| Electro Tec Corp. | ||
| Mercotac Inc. | ||
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