Providing Geospatial Solutions Since 1972

Land Surveying

In the Land surveying community professionalism and quality are assumed. However, not all surveyors are created equally. We believe responsiveness, a commitment to quality, attention to detail, rigorous internal quality assurance and quality control, open and honest communication, and understanding a client’s expectations are traits that separate Thew Associates from our competitors.

Hydrographic Surveying

Thew Associates has extensive experience working in marine environments providing seamless topographic and utility mapping from upland surveys through transition zones and into deeper water.

Subsurface Utility Engineering

Thew Associates provides clients with a cost saving non-destructive method of underground utility locating and mapping.

Laser Scanning

With our RIEGL VZ-400 3D Terrestrial Laser Scanner, Thew Associates can provide static and mobile 3D laser scanning services for our clients.

sUAS (Drone) Services

Thew Associates utilizes professional grade-UAS (Unmanned Aerial Systems) flight platforms to provide a variety of UAS services, including LiDAR, photogrammetry, thermal and visual inspections.


6431 US Hwy 11
Canton, NY 13617

Phone: 315-386-2776 
Fax: 315-386-1012


9478 River Road
Marcy, NY 13403

Phone: 315-733-7278
Fax: 315-797-1957

Tupper Lake

29 Park Street Suite 3
Tupper Lake, NY 12986

Phone: 315-267-6007


5866 State Route 31 
Cicero, NY 13039

Phone: 315-244-2151

Thew Associates Land Surveyors
Site Design by Coughlin