The foundation of Thew Associates is land surveying. We believe responsiveness, a commitment to quality, attention to detail, rigorous internal QA/QC, open and honest communication, and understanding a client’s expectations are traits that separate Thew Associates from our competitors.

Rely on Thew's Certified Hydrographers and experienced boat captains to perform a variety of hydrographic surveying services include single- and multi-beam bathymetry, sediment sampling, sub bottom profiling, current profiling, and subaquatic utility locating.

Thew Associates provides clients with a cost saving non-destructive method of underground utility locating and mapping utilizing ground penetrating radar (GPR), radio frequency (RF), and vacuum excavation (potholing).

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.