Formed in 1986, Erlandsen & Associates is a provider of professional surveying services. Based in Brewster, Wash., the firm offers its vast client base a range of services in the areas of GPS surveying, GIS development, topographic surveying, civil engineering, legal and boundary surveying, etc. The company provides a host of services that include survey, 3-D scanning, representative projects, engineering, online GIS hosting and many more. Erlandsen & Associates has associations with a number of organizations, including American Public Works Association, American Society of Civil Engineers, American Planning Association and Certified Federal Surveyors, among others.