| Business | Phone |
| American Electric Supply Inc 1872 Pomona Rd, Corona 92880 | (951) 734-7910 |
| Consolidated Electrical Distr 122 E Harrison St, Corona 92879 | (951) 734-5360 |
| B & K Electric 1680 Commerce St, Corona 92880 | (951) 278-9911 |
| Eaton Corp 1460 Woodway Ct, Corona 92879 | (951) 279-2808 |
| Point Plus Corona 92879 | (951) 272-1187 |
| Performance Utility Supply 26330 Lester Cir, Corona 92883 | (951) 245-3500 |