D. Stockton is provides 2D drafting services to clients in the fields of architecture, civil engineering, and environmental engineering. He also provides BIM services utilizing Autodesk Revit Architecture as well as vectorization with Autodesk Raster Design. He started using AutoCAD in 1991 as a leader in the effort to bring CAD into the engineering department of his employer at the time. He works with a variety of clients, primarily using Autodesk software.