| Business Name | Address | |
| Mr Electric | Yountville, CA 94599 |
 |
| Dooley Pump & Electric | PO Box 183 St Helena, CA 94574 |
|
| Bei Construction Inc | 1340 Pine St St Helena, CA 94574 |
|
| Hubert Electric | PO Box 212 St Helena, CA 94574 |
|
| Hemken Electric | 1121 Zygmunt Dr St Helena, CA 94574 |
|