| Business | Phone |
| Arcadian Management Svc 1212 Broadway, Oakland 94612 | (510) 832-0311 |
| Automated Systems Billing Svc Oakland 94601 | (510) 533-5642 |
| Better Choices Oakland 94619 | (510) 531-4505 |
| Data Stor Medical Archives Oakland 94612 | (510) 832-7867 |
| Diagnostic Support Svc 4320 Mountain Blvd, Oakland 94619 | (510) 530-0711 |
| Insight Healthcare Consulting 5691 Chelton Dr, Oakland 94611 | (510) 531-7841 |
| Medical Management Assoc 3300 Webster St # 900, Oakland 94609 | (510) 663-6600 |
| Mediphonics Oakland 94609 | (510) 601-7300 |
| Medisync Oakland 94619 | (510) 530-8170 |
| Pacific Medical Billing Svc Oakland 94602 | (510) 482-2300 |
| Summit Medical Physics Inc 2838 Summit St, Oakland 94609 | (510) 832-5810 |