| Business | Phone |
| Creative Interconnect Inc 555 Old County Rd, San Carlos 94070 | (650) 595-5555 |
| First World Connect San Carlos 94070 | (650) 596-7302 |
| Semans Communications Inc 1300 Industrial Rd # 15, San Carlos 94070 | (650) 591-1481 |
| Sterling Communications San Carlos 94070 | (650) 595-2222 |