| Business | Phone |
| Barry Crowell Plumbing & Htg 89 Peck Farm Rd, Winthrop 4364 | (207) 377-2541 |
| Hasenfus Plumbing & Piping Co 441 Annabessacook Rd, Winthrop 4364 | (207) 377-2548 |
| T J Frechette Jr 10 Lower Diamond Farm Ln, Winthrop 4364 | (207) 395-4329 |
| Neil Chesley Plumbing & Htg Holmes Rd, Winthrop 4364 | (207) 377-2772 |
| Wallace F Dunn Plumbing & Htg 260 Annabessacook Rd, Winthrop 4364 | (207) 377-8694 |