| Business | Phone |
| A American Electric & Svc Co 2892 Hillcrest Ave, Hayward 94542 | (510) 886-7535 |
| A-Z Electric Hayward 94541 | (510) 583-0990 |
| Abt Electric 30158 Bridgeview Way, Hayward 94544 | (510) 489-3477 |
| Brothers Electric 25439 Mission Blvd, Hayward 94544 | (510) 581-6100 |
| C E Kompany 20935 Locust St, Hayward 94541 | (510) 537-9782 |
| Clear Choice Electric Inc Hayward 94545 | (510) 670-1100 |
| D W Nicholson Corp 24747 Clawiter Rd, Hayward 94545 | (510) 887-0900 |
| Deets Electric Hayward 94541 | (510) 889-9454 |
| Del Rosario Electric 103 Hermes Ct, Hayward 94544 | (510) 727-1577 |
| Discount Electric 1657 Welford Cir, Hayward 94544 | (510) 673-3809 |
| E & O Construction 1953 W Winton Ave, Hayward 94545 | (510) 783-6553 |
| Ewd Electric 2183 American Ave, Hayward 94545 | (510) 487-7935 |
| G E Co 31285 San Clemente St, Hayward 94544 | (510) 476-3400 |
| Grc Electric 252 Cooper Ave, Hayward 94544 | (510) 264-1863 |
| Grc Electric 29326 Mission Blvd, Hayward 94544 | (510) 581-1471 |
| H S Electric Repairs 22390 Thunderbird Pl, Hayward 94545 | (510) 266-0763 |
| Hayward Electric 3150 Diablo Ave, Hayward 94545 | (510) 783-2994 |
| Herdez Electric 730 Blossom Way, Hayward 94541 | (510) 690-1163 |
| Hi Tech Electric Inc 2230 W Winton Ave, Hayward 94545 | (510) 293-6151 |
| Horizon Electric 21084 Royal Ave, Hayward 94541 | (510) 786-0919 |
| J R Wilton Electric Hayward 94541 | (510) 889-9855 |
| Jakes's Electric Hayward 94541 | (510) 706-2720 |
| Jeff Davis Electric Hayward 94545 | (510) 785-5878 |
| Mic Electric 2209 American Ave, Hayward 94545 | (510) 887-5565 |
| Mission Valley Electric Hayward 94541 | (510) 745-8847 |
| Pacific Coast Electric 1069 Currant Way, Hayward 94545 | (510) 782-3650 |
| Paradigm Energy Inc 20692 Corsair Blvd, Hayward 94545 | (510) 785-9441 |
| Pavan's Electric Co 1720 Osage Ct, Hayward 94545 | (510) 786-1022 |
| Pure Electric 27365 Industrial Blvd, Hayward 94545 | (510) 785-1797 |
| R Q Electric Inc 1248 A St, Hayward 94541 | (510) 888-1412 |
| Red Top Electric Co 24967 Huntwood Ave, Hayward 94544 | (510) 782-8600 |
| Regal Electric 1175 Overlook Ave, Hayward 94542 | (510) 886-3566 |
| Rex Moore Electric Contractors 23098 Connecticut St, Hayward 94545 | (510) 785-1300 |
| Rodriguez Electric 24635 2nd St, Hayward 94541 | (510) 733-9202 |
| S & S Cummins Elec Contractors 20925 Locust St, Hayward 94541 | (510) 581-4864 |
| Talai Electric 22962 Clawiter Rd # 18, Hayward 94545 | (510) 782-1145 |
| Vaden Industries Inc 2479 Industrial Pkwy W # O, Hayward 94545 | (510) 266-5136 |
| T Carroll Fs Electrical 192 Virginia St, Hayward 94544 | (510) 537-4400 |
| Theta Electric Co 22414 Montgomery St, Hayward 94541 | (510) 889-8582 |
| Union Electric Construction 31851 Hayman St, Hayward 94544 | (510) 489-8232 |
| One Man Electric 22962 Clawiter Road, Suite 18, Hayward 94545 | (925) 998-3552 |
| One Man Electric 22962 Clawiter Road, Suite 18, Hayward 94545 | (925) 998-3552 |