| Business | Phone |
| Machine Products Rochester 219 Coldiron Dr, Rochester 48307 | (248) 941-0121 |
| Accurate Gauge Manufacturing 2943 Technology Dr, Rochester 48309 | (248) 853-2400 |
| Whisper Industries 1094 E Avon Rd, Rochester 48307 | (248) 650-4200 |
| Avon Broach & Production Co 1089 John R Rd, Rochester 48307 | (248) 651-9321 |
| Team Manufacturing 138 South St, Rochester 48307 | (248) 651-9405 |
| Cam Machining Inc 1801 Rochester Industrial Ct, Rochester 48309 | (248) 652-2970 |
| Cam Technologies Inc 2183 Avon Industrial Dr, Rochester 48309 | (248) 299-7997 |
| Quasar Inc 1911 Northfield Dr, Rochester 48309 | (248) 852-0300 |
| Rochester Grinding Inc 1800 Production Dr, Rochester 48309 | (248) 652-8604 |
| Progressive Die Solutions Inc 1894 Star Batt Dr, Rochester 48309 | (248) 299-6990 |
| Quad Precision Tool Co 1940 S Livernois Rd, Rochester 48307 | (248) 608-2400 |
| Qualitech Machining 144 South St, Rochester 48307 | (248) 656-7654 |
| Plas-Tec Products Inc 1926 Northfield Dr, Rochester 48309 | (248) 853-7777 |
| Exactool Precision Machining 1579 W Hamlin Rd, Rochester 48309 | (248) 299-9133 |
| Fraser Fab & Machine Inc 1696 Star Batt Dr, Rochester 48309 | (248) 852-9050 |
| Mwk Machine Inc 1820 Production Dr, Rochester 48309 | (248) 601-4500 |
| Metalmite Corp 194 S Elizabeth St, Rochester 48307 | (248) 651-9415 |
| Patriot Prototype & Tool 250 South St, Rochester 48307 | (248) 601-1395 |
| John Sorenson 991 Ironwood Dr, Rochester 48307 | (248) 652-7488 |