| Business | Phone |
| Lakehead Pipeline Addison 49220 | (517) 628-4991 |
| Bryan Systems Addison 49220 | (517) 547-5415 |
| Cmx Inc 3713 Meridian Rd, Addison 49220 | (517) 547-7020 |
| Custom Ortho 5987 N Rollin Hwy, Addison 49220 | (517) 547-3792 |
| Merit Access Addison 49220 | (517) 547-5621 |
| Nci Addison 49220 | (517) 547-6308 |