| Business | Phone |
| Amburg Construction Inc 18 Wedgewood Dr, Winthrop 4364 | (207) 377-8064 |
| Androscoggin Builders Route 133, Winthrop 4364 | (207) 377-4649 |
| Five Star Builders Mount Pisgah Rd, Winthrop 4364 | (207) 377-5900 |
| Peter Richards Builder 27 Butters Hill Ter, Winthrop 4364 | (207) 377-8029 |