| Business | Phone |
| Skips Copier & Fax Svc 516 W 2nd St, Antioch 94509 | (925) 754-1126 |
| Copiers Unlimited 2 Winifred Ct, Antioch 94509 | (925) 755-8100 |
| Gil-Tech Bssiness Systems 504 W 4th St, Antioch 94509 | (925) 777-9434 |
| Technical Business Systems 2301 A St, Antioch 94509 | (925) 778-1870 |