| Business | Phone |
| West Coast Energy Design 2303 Camino Ramon # 133, San Ramon 94583 | (925) 829-5304 |
| Cambridge Resources 2491 San Ramon Valley Bl #I414, San Ramon 94583 | (925) 355-1609 |
| Sgf Energy Calcs Title 24 San Ramon 94582 | (925) 735-9121 |
| Theratool 2303 Camino Ramon # 133, San Ramon 94583 | (925) 829-5304 |