Dunkirk Supply Inc. operates as a building supply center across Southern Maryland. The firm offers a variety of products, such as windows, doors, fencing, siding, wood framing materials, floor trusses and hardware. It handles various projects, including remodeling, custom new homes and commercial construction. Dunkirk Supply Inc. operates home centers, a truss plant, crane division and a fence store. Located in Owings, Md., the firm is a member of the Wood Truss Council of America.