| | Deringer Mfg. Company (Mundelein, IL) | |
| | Ditron, Inc. (Stormville, NY) | |
| | Electronic Stamping Corp. (Rancho Dominguez, CA) | |
| | Evans (East Providence, RI) | |
| | F & M Machine Company (Kenilworth, NJ) | |
| | HFK Corp. (McHenry, IL) | |
| | Hi-Tech, Inc. (Johnston, RI) | |
| | Johnson & Hoffman Mfg. Corp. (Carle Place, NY) | |
| | K S Tooling, Inc. (York, PA) | |
| | Micro Contacts Inc. (Hicksville, NY) | |
| | Micro Matrix Systems (Montclair, CA) | |
| | Micro Precision Technology (New Milford, CT) | |
| | Micro-Technic Corp. (Santa Ana, CA) | |
| | New Hampshire Stamping Co., Inc. (Goffstown, NH) | |
| | Ney, J. M. Co. (Bloomfield, CT) | |
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