| Business | Phone |
| P & R Excavating Po Box 985, Windham 4062 | (207) 892-7013 |
| B & K Construction 93 Anderson Rd, Windham 4062 | (207) 892-6279 |
| John's Landscaping & Excavtg 30 Depot St, Windham 4062 | (207) 892-4792 |
| C R Tandberg Inc 92 Tandberg Trl, Windham 4062 | (207) 892-4124 |
| M L Rogers Inc 434 Gray Rd, Windham 4062 | (207) 892-4532 |
| D & J Excavating Co 12 Roosevelt Trl, Windham 4062 | (207) 892-4776 |
| Morrell's Construction 397 Roosevelt Trl, Windham 4062 | (207) 892-7944 |
| Dwc Dwelley's Welding 469 Gray Rd, Windham 4062 | (207) 892-1388 |
| Dwelley's Welding & Constr 469 Gray Rd, Windham 4062 | (207) 892-1338 |
| Ronald J Wilson 7 River Rd, Windham 4062 | (207) 892-4392 |