| Business | Phone |
| Professional Medical Business Po Box 379, Orland Park 60462 | (708) 460-2121 |
| Orland Tax Orland Park 60462 | (708) 349-1966 |
| Precise Medical Billing 15774 S La Grange Rd 397, Orland Park 60462 | (708) 873-1533 |
| Dr Billing Svc Orland Park 60467 | (708) 301-0108 |
| Paragon Billing Solutions 11512 W 183rd St, Orland Park 60467 | (708) 479-6522 |