| Business | Phone |
| A & R Electric 1150 E Elm Ave, Fullerton 92831 | (714) 578-8888 |
| Foster Mathews Electric 114 S Lemon St, Fullerton 92832 | (714) 871-6202 |
| 961 Electric Fullerton 92831 | (714) 773-0446 |
| A & D Electric 1120 S Raymond Ave, Fullerton 92831 | (714) 626-0013 |
| All Power Electric 204 Adlena Dr, Fullerton 92833 | (714) 278-9778 |
| Bolt Electric Fullerton 92831 | (714) 773-4926 |
| John Christopher Electric 2329 Rosalia Dr, Fullerton 92835 | (714) 671-1525 |
| Kvy Electric 2851 Rolling Hills Dr, Fullerton 92835 | (714) 528-7988 |