| Business | Phone |
| Asyst-A Systems Co 1330 N Broadway # E, Walnut Creek 94596 | (925) 932-7978 |
| Abacus Computer Svc Walnut Creek 94596 | (925) 937-2567 |
| Advanced Cartridge & Toner Walnut Creek 94596 | (925) 256-8290 |
| After Hours Pc Repair 1547 Palos Verdes Mall # 124, Walnut Creek 94597 | (925) 949-7687 |
| Avatar Computer Svc 2855 Mitchell Dr, Walnut Creek 94598 | (925) 938-8100 |
| Bridge Cities Consulting 1028 Sheppard Rd, Walnut Creek 94598 | (925) 287-1400 |
| Computer Maven Walnut Creek 94596 | (925) 988-0615 |
| Computer Repairs & Sales 1501 N Broadway, Walnut Creek 94596 | (925) 280-0744 |
| J L Systems & Technologies 1630 N Main St, Walnut Creek 94596 | (925) 465-9580 |
| On Balance Inc 2591 N Main St, Walnut Creek 94597 | (925) 256-4199 |
| Pce Computers 135 Sand Wedge Pl, Walnut Creek 94598 | (925) 934-8567 |
| S A Computers Walnut Creek 94598 | (925) 285-9503 |
| Schrader & Son 2813 Kinney Dr, Walnut Creek 94595 | (925) 937-3062 |
| Trinity Networking Walnut Creek 94596 | (925) 930-7882 |
| Universal Data Products 1547 Palos Verdes Mall, Walnut Creek 94597 | (925) 932-4491 |