| Business | Phone |
| A-Z Technologies 5575 Baltimore Dr # 105181, La Mesa 91942 | (619) 698-2271 |
| Centripetal 8191 Center St, La Mesa 91942 | (619) 667-7892 |
| Custom Business Design La Mesa 91941 | (619) 465-4765 |
| Cutting Edge 8191 Center St, La Mesa 91942 | (619) 667-7888 |
| Fortie Info Technologies 4719 Palm Ave, La Mesa 91941 | (619) 698-5187 |
| R Gilbert Jr La Mesa 91941 | (619) 462-2652 |
| Information System Svc La Mesa 91941 | (619) 589-7331 |
| Innovative Systems 5360 Jackson Dr, La Mesa 91942 | (619) 669-2800 |
| Integrated Business Solutions 4177 Yale Ave, La Mesa 91941 | (619) 462-7797 |
| Jmp Enterprises La Mesa 91941 | (619) 465-1443 |
| Pamela Klein La Mesa 91941 | (619) 461-2584 |
| Office Visions 9340 Fuerte Dr # 202, La Mesa 91941 | (619) 466-3968 |
| Software Synergistics 8130 La Mesa Blvd # 206, La Mesa 91941 | (619) 667-3928 |
| Virtual Integrators 4455 Carmen Dr, La Mesa 91941 | (619) 593-9191 |