| Business | Phone |
| Becker Construction 6430 Greeley Hill Rd, Coulterville 95311 | (209) 878-0110 |
| Mjc Construction Inc 3692 State Highway 132, Coulterville 95311 | (209) 878-3016 |
| Sierra Well Svc 5039 Main St, Coulterville 95311 | (209) 878-3129 |
| Stallings Construction 4996 West St, Coulterville 95311 | (209) 878-3038 |