| Business | Phone |
| America Computer 9506 Cedar Glen Ct, Rancho Cucamonga 91730 | (909) 987-9094 |
| Computer Network 9798 Foothill Blvd # B, Rancho Cucamonga 91730 | (909) 944-4009 |
| Direct Logic 9605 Arrow Rte # 6p, Rancho Cucamonga 91730 | (909) 466-1188 |
| Hewlett-Packard Co 8577 Haven Ave, Rancho Cucamonga 91730 | (909) 481-2000 |
| Hollis Computer Corp 8188 Rochester Ave # B, Rancho Cucamonga 91730 | (909) 483-0042 |
| Nettech Computers 9849 Foothill Blvd # C, Rancho Cucamonga 91730 | (909) 989-8028 |
| Pc Solutions Intl 7385 Milliken Ave # 120, Rancho Cucamonga 91730 | (909) 483-0092 |
| Precision Aerospace Corp 11155 Jersey Blvd # A, Rancho Cucamonga 91730 | (909) 980-8855 |
| Premier Printer Svc Inc 8560 Vineyard Ave # 201, Rancho Cucamonga 91730 | (909) 948-7277 |