Surdex Corporation is a privately-owned company focused on providing geospatial data and services throughout North America. We are headquartered on the grounds of the Spirit of St. Louis Airport in Chesterfield, Missouri in the greater St. Louis metropolitan area. We have been in business since 1954 and our ownership has a strong foundation in aerial data acquisition and geospatial data services. Surdex's clientele include federal, state, and local government as well as private engineering, defense mapping/ Homeland Security, and utilities.