| Business | Phone |
| Jordi Electric Inc 20801 Apache Way, Walnut 91789 | (909) 594-6665 |
| Jsc Electric 20687 Amar Rd # 2-222, Walnut 91789 | (909) 595-0446 |
| Morrow Meadows Corp 231 Benton Ct, Walnut 91789 | (909) 598-7700 |
| C & H Electric 1100 N Grand Ave, Walnut 91789 | (909) 869-8862 |
| Ge Electric 19705 Business Pkwy, Walnut 91789 | (909) 468-9717 |
| General Electric 20005 Business Pkwy, Walnut 91789 | (909) 598-5036 |
| George Brazil Electric 20747 Valley Blvd, Walnut 91789 | (909) 594-9787 |
| J & J Electric 19951 Calle Solis, Walnut 91789 | (909) 896-3498 |
| Jmg Ind Electrical Co 239 Calle Descanso, Walnut 91789 | (909) 598-6465 |
| Preferred Electrical Contrs 20724 Loyalton Dr, Walnut 91789 | (909) 598-4045 |