TEC is a professional consulting firm specializing in land surveying, mapping, and UAS services for transportation, environmental, infrastructure, development, construction, and residential projects.


We work with public and private clients throughout New York and Connecticut with a project portfolio ranging from large engineering and construction projects to complex boundary and right of way surveys. TEC has worked with state and local municipalities, design professionals, developers, and residential owners throughout the Hudson Valley, Catskills, Capitol Region, Western Connecticut, and New York City.