| Business | Phone |
| Casey & Casey 513 Earl Garrett St, Kerrville 78028 | (830) 792-5995 |
| Gcd-Medical Billing 222 Sidney Baker St S 600, Kerrville 78028 | (830) 896-1600 |
| Professional Health Care Svc 115 Contour Dr, Kerrville 78028 | (830) 896-0011 |
| Professional Medical Mgmt Svc 723 Hill Country Dr C, Kerrville 78028 | (830) 257-6316 |
| Medical Entry Data Svc 236 Junction Hwy A, Kerrville 78028 | (830) 257-6337 |