| Business | Phone |
| C & R Telephone Systems 1835 Capital St, Corona 92880 | (951) 270-0255 |
| Radio Shack 447 S Main St, Corona 92882 | (951) 735-0193 |
| Across The Nation Electronics 3710 Howe St, Corona 92881 | (951) 280-1300 |
| Advanced American Access Corona 92879 | (951) 371-0285 |
| Advanced Thermal Design Inc 9440 Pats Point Dr, Corona 92883 | (951) 277-4098 |
| Best Buy 2430 Tuscany St, Corona 92881 | (951) 817-9983 |
| Electronic Boutique 1510 W 6th St, Corona 92882 | (951) 735-7806 |
| Electronic Funds Transfer 705 N Main St, Corona 92880 | (951) 340-1921 |
| Equipment Integrated Svc 1147 Merlin Ln, Corona 92881 | (951) 737-8573 |
| Green Chip 508 Bateman Cir, Corona 92880 | (951) 898-6660 |
| Radio Shack 2310 California Ave # 103, Corona 92881 | (951) 817-5237 |