| Business | Phone |
| Clare Computer Solutions 2580 San Ramon Vly Blvd # B107, San Ramon 94583 | (925) 277-0690 |
| Soft Connextions 2415 San Ramon Valley # 4310, San Ramon 94583 | (925) 735-0560 |
| Applied Concepts Inc 2551 San Ramon Valley Blvd, San Ramon 94583 | (925) 828-9066 |
| Class A Networks Llc 1630 N Main St, San Ramon 94582 | (925) 735-6844 |
| I-Cantu Network Inc 41 Eagle Lake Ct, San Ramon 94582 | (925) 837-7963 |
| J Y Systems 216 Triana Way, San Ramon 94583 | (925) 556-5558 |
| Net Xperts Inc 2680 Bishop Dr, San Ramon 94583 | (925) 806-0800 |
| Redfish Solutions 12901 Alcosta Blvd, San Ramon 94583 | (925) 901-0969 |