| Business | Phone |
| Magnum Engineering Tech 2248 S Shore Ct, Rochester 48307 | (248) 656-1822 |
| Leach & Assoc 418 Wyngate Dr, Rochester 48307 | (248) 656-2266 |
| Acs Inc 1555 W Hamlin Rd, Rochester 48309 | (248) 853-2273 |
| Survey Tech 6875 N Rochester Rd, Rochester 48306 | (248) 652-8113 |
| Smartbreak 6875 N Rochester Rd B, Rochester 48306 | (248) 651-1242 |
| Cts Car Top Systems Na Inc 2110 Austin Ave, Rochester 48309 | (248) 299-8201 |
| Preferred Engineering 380 South St, Rochester 48307 | (248) 652-2900 |
| Prefix Corp 1300 W Hamlin Rd 100, Rochester 48309 | (248) 650-1330 |
| Dimensional Control Systs Inc 2050 Avoncrest Dr, Rochester 48309 | (248) 375-0895 |
| Enderle Engineering Inc 873 Snowmass Dr, Rochester 48309 | (248) 375-1010 |
| P R Professional Assoc Inc Rochester 48309 | (248) 656-6926 |
| Paradis Associates Inc 313 S Main St, Rochester 48307 | (248) 650-4905 |
| Omega Productive Svc Inc 2925 Waterview Dr, Rochester 48309 | (248) 299-8950 |
| Fid Corp 3424 Charlwood Dr, Rochester 48306 | (248) 373-7005 |
| Giffels-Webster Engineers Inc 2871 Bond St, Rochester 48309 | (248) 852-3100 |
| H P Microsystems 2158 Avon Industrial Dr, Rochester 48309 | (248) 853-6320 |
| Effective Technologies 124 Gunder Dr, Rochester 48309 | (248) 514-9548 |