| Business | Phone |
| Invivo 300 E Maple Rd, Birmingham 48009 | (248) 723-5458 |
| Lintel Industries Inc Birmingham 48009 | (248) 594-5727 |
| Armstrong Comm Inc 690 E Maple Rd, Birmingham 48009 | (248) 594-8000 |
| Clayton Communication 721 N Eton St, Birmingham 48009 | (248) 822-3171 |
| Dobbs Enterprises Ltd 920 E Lincoln St 1, Birmingham 48009 | (248) 540-2149 |
| Novel Industries Inc 1866 Graefield Rd, Birmingham 48009 | (248) 643-0422 |