| Business | Phone |
| Cyb Ris 25640 University Ct, Hayward 94542 | (510) 733-2750 |
| D S Communication Inc 26250 Industrial Blvd, Hayward 94545 | (510) 265-0238 |
| Data Connect 26062 Eden Landing Rd # 5, Hayward 94545 | (510) 783-1212 |
| Dynamic Network Factory Inc 26250 Eden Landing Rd, Hayward 94545 | (510) 265-0608 |
| Exnetware Inc 28306 Industrial Blvd, Hayward 94545 | (510) 266-6601 |
| Market America Independent 26250 Industrial Blvd, Hayward 94545 | (510) 795-7723 |
| Pimentel Communications 28301 Industrial Blvd # B, Hayward 94545 | (510) 264-1962 |
| Wheelock Crash 27872 Pebble Ct, Hayward 94542 | (510) 728-8010 |