| Company Name | Category |
| Advance Wire Form | 332612 |
| Cullip Industries, Inc. | 332710 |
| Cutting Edge Machine & Tool | 332710 |
| F & F Screw Machine | 332710 |
| Ferret, Inc. | 332114 |
| Flexible Concepts, Inc. | 333512,332993,332995 |
| Imagineering Finishing Technologies | 332813 |
| ITAMCO | 332710,332721,333612 |
| K & M Machine Fabricating | 332710 |
| Learman Electronic Tool Associates (aka Electronic Tool Assoc.) | 332811 |
| McDowell Enterprises, Inc. | 332813 |
| MG Products, Inc. | 332710 |
| Nortool Division of Norco | 332710 |
| Select Tool and Machining, Inc. | 332710 |
| South Bend Controls, Inc. | 332911 |
| Specialty Heat Treating | 332811 |
| Walerko Tool & Engineering Corp. | 332710 |
| Your Solution, Inc. | 332710 |