| Business | Phone |
| Information System Svc Inc 1950 Star Batt Dr, Rochester 48309 | (248) 853-9720 |
| Logic Gate Computer Svc Inc 255 Whims Ct, Rochester 48306 | (248) 651-1200 |
| Oakland Programmers & Tchncns Po Box 82312, Rochester 48308 | (248) 375-0162 |
| On Command Pc Svc Co 2869 Portage Trl, Rochester 48309 | (248) 360-6636 |