| Business | Phone |
| Bill Source Inc Po Box 1419, Chandler 85244 | (480) 821-8286 |
| Claimsflo 1650 S Arizona Ave, Chandler 85248 | (480) 917-8266 |
| Mitigated Billing Svc Po Box 6304, Chandler 85246 | (480) 705-4658 |
| Mbs Medical 702 W Temple St, Chandler 85225 | (480) 821-7088 |
| Hempstead Billing Svc 4744 W Whitten St, Chandler 85226 | (480) 785-9922 |