| Business | Phone |
| Autopacific Group 27600 Northwestern Hwy 240, Southfield 48034 | (248) 355-0033 |
| Pmc America Inc 1 Towne Sq 1580, Southfield 48076 | (248) 359-3000 |
| Narens Associates Inc 29200 Northwestern Hwy, Southfield 48034 | (248) 304-0300 |
| Methode Electronics Inc 24585 Evergreen Rd, Southfield 48075 | (248) 356-5639 |