| Business | Phone |
| Beall Computer 306 Gladys Dr, Pleasant Hill 94523 | (925) 457-1022 |
| Computer Techs 1919 Marta Dr, Pleasant Hill 94523 | (925) 288-1711 |
| Frank Machado & Assoc Pleasant Hill 94523 | (925) 765-2762 |
| George A Tech Po Box 23915, Pleasant Hill 94523 | (925) 944-9329 |