About Capitol Building Supply, Inc.

Serving construction customers in DE, MD, NJ, OH, PA, VA, and D.C.

Welcome to Capitol Building Supply, Inc. (CBSI) – home to the finest selection of quality construction materials and building supplies across the Mid-Atlantic region of the United States. Choose a topic below to learn more about:

Our Company – our people, customers, and pledge to service

Services – call on us for delivery, pickups, or specialty orders

Products – drywall, steel, insulation, acoustical products and more

Careers – providing real opportunity for top local construction supply professionals

Our Projects – client successes of all type, scope, and specialty

Locations – construction yards in Delaware, Maryland, New Jersey, Ohio, Pennsylvania, Virginia, and Washington, D.C.