| Business | Phone |
| Cisco Systems Inc 5890 Owens Dr, Pleasanton 94588 | (925) 223-0000 |
| Cpu Technology Inc 5731 W Las Positas Blvd, Pleasanton 94588 | (925) 224-9920 |
| Electronics Network Tech 2182 Rheem Dr # 200, Pleasanton 94588 | (925) 462-7125 |
| Foundry Networks 3875 Hopyard Rd, Pleasanton 94588 | (925) 734-9819 |
| Pacific Design Engineering Po Box 12202, Pleasanton 94588 | (925) 931-0402 |
| Web & Network 5994 W Las Positas Blvd # 217, Pleasanton 94588 | (925) 730-0005 |
| Webnettrak 1024 Serpentine Ln, Pleasanton 94566 | (925) 600-8725 |
| Xerox Connect 7077 Koll Center Pkwy # 100, Pleasanton 94566 | (925) 931-4015 |