| Business | Phone |
| Lawrence Technologies 4553 Knollpark Cir, Antioch 94531 | (925) 755-4505 |
| Adetronics Mobile Notary 2122 Peppertree Way # 2, Antioch 94509 | (925) 754-8892 |
| All Pc Computers 2529 Desrys Blvd, Antioch 94509 | (925) 754-9623 |
| Camp Hart Enterprises 5366 Thunderbird Ct, Antioch 94531 | (925) 628-2838 |
| Computer Aid 4613 Regina Ct, Antioch 94509 | (925) 778-8115 |
| Computer Rx Svc Antioch 94509 | (925) 437-9427 |
| Computer Shop 4504 Doe Way, Antioch 94531 | (925) 778-7350 |
| Computer's & Co 1513 A St, Antioch 94509 | (925) 755-3494 |
| Digital Wisdom 1836 Johnson Dr, Antioch 94509 | (925) 437-1255 |
| Heinsua Computer Consulting 5149 Arroyo Way, Antioch 94531 | (925) 754-6453 |
| Om Computers 3521 Mountaire Dr, Antioch 94509 | (925) 706-9697 |