| Business | Phone |
| Legacy Mechanical & Energy 2500 Old Crow Canyon Rd # 121, San Ramon 94583 | (925) 820-6938 |
| A-Affordable Heating & Cooling 9966 Windsor Way, San Ramon 94583 | (925) 829-6036 |
| Moore Mechanical Svc 2156 San Ramon Valley Blvd, San Ramon 94583 | (925) 837-3321 |
| Temperature Technology Inc 12201 Santa Teresa Dr, San Ramon 94583 | (925) 371-2203 |