D&A Contractors, Inc. approaches every client be it as a general contractor, design builder or an on-call construction services relationship with a unique tailored professional approach. D&A was established in 1985 as a Commercial General Contractor and Construction Project Management Firm. We specialize in new construction, additions, interior and exterior renovations, historic preservations, multifamily residential and new "Green Building" technology. D&A excels in specialty projects and is proud to serve the retail, commercial, government, health care, institutional and industrial sectors throughout the Washington D. C., Maryland, and Virginia region.