| Business | Phone |
| Brea Electric Co 524 E Imperial Hwy # B, Brea 92821 | (714) 529-3030 |
| Emerson Electro-Test Inc 3150 E Birch St # B, Brea 92821 | (714) 961-2888 |
| Gehl Electric Inc 420 Apollo St # B, Brea 92821 | (714) 257-1081 |
| Af Brown Electric Contractors 561 Tamarack Ave, Brea 92821 | (714) 672-0053 |
| All Phase Electric 139 Delphia Ave, Brea 92821 | (714) 529-2017 |
| Apollo Electric 330 N Basse Ln, Brea 92821 | (562) 694-2318 |
| Atom Electric 825 Avocado St, Brea 92821 | (714) 529-3889 |
| Avalon Electric 310 N Palm St # B, Brea 92821 | (562) 697-9241 |