| Business | Phone |
| Donovan Country Realty 217 County Route 12, Windham 12496 | (518) 734-3300 |
| Enclave 9 Clarence D Lane Rd, Windham 12496 | (518) 734-5333 |
| Giandana-Loftus Real Estate Main St, Windham 12496 | (518) 734-5500 |
| Hunter Windham Real Estate 5354 State Route 23, Windham 12496 | (518) 734-4900 |
| Jeff Prince Real Estate Main St, Windham 12496 | (518) 734-6060 |
| Larsen Realty Main St, Windham 12496 | (518) 734-4444 |
| Mountain Valley Realty 5275 Main St, Windham 12496 | (518) 734-6780 |
| Shaw Country Realty 5393 Main St, Windham 12496 | (518) 734-3500 |
| Sheridan Realty Assoc Po Box 305, Windham 12496 | (518) 734-4570 |
| Starr Country Properties Main St, Windham 12496 | (518) 734-5533 |
| Windham Mountain Top Resort 5394 State Route 23, Windham 12496 | (518) 734-6200 |
| Windmont Home Bagley Rd, Windham 12496 | (518) 734-5945 |