Terrence Dewan & Associates based in Maine and cover all areas. Terrence Dewan & Associates has been working throughout the Maine state for many years and has many years of experience working in Architectural & Engineering Services. Terrence Dewan & Associates offer a full Architectural & Engineering Services. The Staff have expert Architectural & Engineering Services skills, which enable them to carry out minor to major Architectural & Engineering Services projects. Formed in 1988 , Terrence Dewan & Associates specializes in Architectural & Engineering Services.