Founded in 1945, DEC has been making clients successful for over half a century. Proof of this is evident both in the enduring relationships we build with our clients and in the long-lived projects we have helped them build. DEC provides complete Geographic Information System (GIS) turnkey solutions for planning, management, and implementation services to solve complex engineering, environmental and planning problems. DEC’s GIS technology services support a range of public and private sector clients in the fields of transportation, public works, water resources, land development, and surveying and mapping. DEC designs and develops geographical information application solutions utilizing Esri technology to help our clients to make the most of their spatial data, and enable our clients to realize the full benefits of GIS through our professional advice, support, management, and maintenance services.