| Business | Phone |
| California Electronics 1087 Endeavor Dr, Upland 91786 | (909) 373-9500 |
| Electronic Republic 951 W Foothill Blvd, Upland 91786 | (909) 579-0735 |
| Radio Shack 373 E Foothill Blvd # A, Upland 91786 | (909) 985-0708 |
| Tafesh Electronics & Auto 1445 E Foothill Blvd, Upland 91786 | (909) 985-2029 |