| Business | Phone |
| Aleco Electric Walnut Creek 94596 | (925) 934-7972 |
| All Electric Walnut Creek 94596 | (925) 944-5706 |
| Allen Electric Walnut Creek 94596 | (925) 933-3559 |
| American Electrical Walnut Creek 94596 | (925) 279-1275 |
| Austin Electric 1833 Stratton Cir, Walnut Creek 94598 | (925) 944-4707 |
| Bolt Electric 1765 San Miguel Dr, Walnut Creek 94596 | (925) 933-9171 |
| Brunswig Electric 1251 Boulevard Way, Walnut Creek 94595 | (925) 938-2170 |
| Certified Electric Inc Walnut Creek 94596 | (925) 946-0110 |
| Construction Contracts Co 401 Mayhew Way, Walnut Creek 94598 | (925) 935-5898 |
| County Electric 2472 Encinal Dr, Walnut Creek 94597 | (925) 937-0618 |
| Delta Technology Inc 2023 1st Ave, Walnut Creek 94597 | (925) 938-0458 |
| Diablo Valley Electric Co 15 Coronado Ct, Walnut Creek 94596 | (925) 935-9486 |
| Dtf Electrical Walnut Creek 94596 | (925) 930-9473 |
| Edelman Electrical Svc Walnut Creek 94596 | (925) 708-8222 |
| Edison Power & Electric Walnut Creek 94596 | (925) 932-6887 |
| Get Electric 825 Palmer Rd, Walnut Creek 94596 | (925) 935-9393 |
| J & J Electric Walnut Creek 94596 | (925) 935-3470 |
| J Murphy Electrical & Engnrng 1500 Encanto Pl, Walnut Creek 94597 | (925) 934-9361 |
| Jones Electrical Svc Co Walnut Creek 94596 | (925) 930-0361 |
| M & M Electric 129 Brodia Way, Walnut Creek 94598 | (510) 326-7731 |
| M G Farrell Co 909 N Gate Rd, Walnut Creek 94598 | (925) 933-7241 |
| Magnolia Electric 5446 Civic Dr, Walnut Creek 94597 | (510) 326-7118 |
| Magnolia Electric Co 544 N Civic Dr, Walnut Creek 94597 | (415) 794-2646 |
| Master Electric Walnut Creek 94596 | (925) 934-5535 |
| Mic Electric 1512 3rd Ave, Walnut Creek 94597 | (925) 274-0990 |
| Mount Diablo Electric Walnut Creek 94596 | (925) 280-8119 |
| Mvm Electric 1344 Milton Ave, Walnut Creek 94596 | (925) 934-8733 |
| Myles Davis Electric Walnut Creek 94596 | (925) 210-0574 |
| Nor Cal Electric 719 Rosewood Dr, Walnut Creek 94596 | (925) 988-9885 |
| Top Notch Electric Walnut Creek 94596 | (925) 946-5121 |
| Trinity Electric Po Box 5491, Walnut Creek 94596 | (925) 938-9593 |