| Business | Phone |
| Lawson Surveying & Mapping 1885 State St, Schenectady 12304 | (518) 393-3464 |
| Frank Rapant Jr 2104 Helderberg Ave, Schenectady 12306 | (518) 356-2778 |
| Tri-Point Layout Inc 1615 Eastern Pkwy, Schenectady 12309 | (518) 377-8986 |
| William A Wiley 902 Mcclellan St, Schenectady 12309 | (518) 388-8500 |
| Blackstone Land Surveyors 1152 Fort Hunter Rd, Schenectady 12303 | (518) 355-1791 |
| Capital District Surveyors 2752 Greeley St, Schenectady 12304 | (518) 393-9999 |