| Business | Phone |
| Bear Electric 9430 Olympia Fields Dr, San Ramon 94583 | (925) 560-0946 |
| Hgh Electric Inc 100 E Branch Pkwy, San Ramon 94583 | (925) 479-9352 |
| Kona Electric 9765 Davona Dr, San Ramon 94583 | (925) 556-1588 |
| Mc Guire Electric San Ramon 94583 | (925) 829-1190 |
| Micor Electric San Ramon 94583 | (925) 855-1316 |
| P & M Electric 122 Samoa Ct, San Ramon 94582 | (925) 735-2775 |
| R J Power & Light San Ramon 94583 | (925) 735-8635 |
| Thompson Electric 2172 San Ramon Valley Blvd # C, San Ramon 94583 | (925) 837-5100 |