| Business | Phone |
| Aim Svc Po Box 33730, Kerrville 78029 | (830) 896-3025 |
| Kerrville Software Development 235 Oak Hill Dr, Kerrville 78028 | (830) 377-4018 |
| Legato Systems 1307 Jackson Rd, Kerrville 78028 | (830) 792-3141 |
| Loantec Software 212 Main St, Kerrville 78028 | (830) 896-7107 |