Andregg Geomatics, founded in 1946, is one of the leading firms providing land surveying, mapping and geomatics services to the public and private sectors throughout the United States and internationally. The firm performs construction surveying for a variety of large-scale projects and specific project components, including airports, highways, roads, bridges, railroads, golf courses, resorts, recreation facilities, and water and sewer treatment plants. It also provides environmental assessment mapping to environmental, planning and engineering firms, including surveys for habitat locations, wetlands delineations, conservation easements and groundwater monitoring wells. Its full-service geomatics support includes global positioning system control and design surveys, photogrammetric mapping, appraisal maps, aerial photographs, digital terrain models, construction staking, and as-built surveys. Andregg Geomatics has offices in Auburn, Truckee and Vacaville, Calif., and Reno, Nev.