| Business | Phone |
| Bedford Electric 500 Bedford Ln, Oakley 94561 | (925) 679-9724 |
| D B Electric Po Box 817, Oakley 94561 | (925) 679-0757 |
| Dek Electric Co 6199 Sellers Ave, Oakley 94561 | (925) 634-1201 |
| Dillon Electric Oakley 94561 | (925) 679-3932 |
| Furlong Electric Co 5381 Sellers Ave, Oakley 94561 | (925) 625-2005 |
| Georges Electric Cypress Rd, Oakley 94561 | (925) 625-3901 |
| Lawrence Electric 4637 La Vista Dr, Oakley 94561 | (925) 625-7597 |
| Lucchesi Electric 37 Oneil Ct, Oakley 94561 | (925) 625-4473 |
| Peak Electrical Inc Oakley 94561 | (925) 625-5196 |
| Power Plus Electric 3300 Carol Lee Ln, Oakley 94561 | (925) 625-2909 |
| Sherwood Electric Inc 54 Clearwood Pl, Oakley 94561 | (925) 625-5271 |