| Business | Phone |
| R D Engineering Po Box 576, Saline 48176 | (313) 701-7091 |
| Advanced Infosystems 1406 E Michigan Ave, Saline 48176 | (734) 429-0646 |
| Engineering Technologies 207 E Michigan Ave, Saline 48176 | (734) 944-2020 |
| Goyart's Consulting Svc 525 Judd Rd, Saline 48176 | (734) 944-6643 |
| Hexabits Corp 1406 E Michigan Ave, Saline 48176 | (734) 944-7271 |
| Prescient Inc 532 Woodhill Dr, Saline 48176 | (734) 429-2986 |
| Sun Engineering 7005 E Michigan Ave, Saline 48176 | (734) 429-2002 |
| Process Results Inc 201 S Ann Arbor St, Saline 48176 | (734) 429-8900 |
| Vehicle Science Corp 740 Woodland Dr 1, Saline 48176 | (734) 944-7500 |