| Business | Phone |
| Aztech Services 7938 Juniper Ave, Fontana 92336 | (951) 809-1745 |
| C C Electric Fontana 92336 | (909) 899-2702 |
| Causey Electric 14546 Hawthorne Ave, Fontana 92335 | (909) 350-1726 |
| Cayton Electric 17423 Grevillea St, Fontana 92335 | (909) 823-0137 |
| Comp Electric 13692 Cabrillo Ct, Fontana 92336 | (909) 899-1399 |
| Daniel's Electrical Constr Co 10881 Business Dr, Fontana 92337 | (909) 427-9000 |
| E E Electric Inc 11127 Calabash Ave, Fontana 92337 | (909) 829-7818 |
| Howell Electric 8285 Sierra Ave # 108, Fontana 92335 | (909) 829-1884 |
| Jbm Electric 7470 Andress Ct, Fontana 92336 | (909) 350-8264 |
| Kent Electric Co 11631 Industry Ave, Fontana 92337 | (909) 829-7966 |
| Lopez Electrical Construction 7335 Tamarind Ave, Fontana 92336 | (909) 823-8094 |
| Nevada-Bkd Corp 11139 Calabash Ave, Fontana 92337 | (909) 355-2478 |
| A & S Electric 8253 Sierra Ave, Fontana 92335 | (909) 350-3305 |
| Chavez Mechanic & Electric 15130 Arrow Route, Fontana 92335 | (909) 427-1411 |
| Gardner Electric Fontana 92335 | (909) 823-5313 |
| On Site Fontana 92335 | (909) 349-1200 |
| Par Electrical Contractors Inc 10771 Almond Ave # A, Fontana 92337 | (909) 854-2880 |
| Paul's Multi Electrical Co Fontana 92335 | (909) 427-9500 |
| Safe-Way Electric Co Fontana 92335 | (909) 822-0131 |
| Superior Electrical 8416 Sultana Ave, Fontana 92335 | (909) 357-9400 |
| T J Electric 9728 Kempster Ave, Fontana 92335 | (909) 823-9279 |
| Zuniga Electrical Construction 15685 Reed Dr, Fontana 92336 | (909) 829-1877 |