| Business | Phone |
| Best Billing Solutions 14260 Point Reyes St, Fontana 92336 | (909) 223-2549 |
| Cato Enterprises Inc 17690 Wabash Ave, Fontana 92336 | (909) 429-8700 |
| Jones Electronic Billing Svc 17155 Micallef St, Fontana 92336 | (909) 428-0726 |
| Kode A Kall 17400 Valley Blvd # 99, Fontana 92335 | (909) 730-3204 |
| Lewis & Rabb 7491 Concord Ave, Fontana 92336 | (909) 829-0250 |
| Multi Medical Billing Svc 14086 Monterra Ave, Fontana 92337 | (909) 823-2375 |
| Quick Claims Medical Billing 17112 Los Cedros Ave, Fontana 92336 | (909) 854-7710 |
| Trinity Medical Ins Billing 14076 Yorktown Ct, Fontana 92336 | (909) 428-7098 |