| Business | Phone |
| Agard Bruce Land Surveyor 2549 State Route 40, Greenwich 12834 | (518) 692-8935 |
| All Points Land Survey Llc 138 Main St, Greenwich 12834 | (518) 692-9935 |
| All-Points Land Survey Llc 63 Gray Ave, Greenwich 12834 | (518) 692-9935 |
| Albrecht & Willson Land Surveyors, PLLC 63 Gray Avenue, Greenwich 12834 | (518) 281-0046 |