| Business | Phone |
| Kinder & Kinder Medical Data 1096 S Robinhood Dr, Muskegon 49445 | (231) 744-8879 |
| Westshore Physician Billing 1560 E Sherman Blvd, Muskegon 49444 | (231) 733-2667 |
| Medical Insurance Billing Co 3360 Micka St, Muskegon 49444 | (231) 773-6106 |
| Bristol Services Inc 1374 Bolen Rd, Muskegon 49442 | (231) 788-3645 |