Capitol Building Supply Inc. (CBSI) is the go-to destination for top-quality construction materials and building supplies in the Mid-Atlantic region. With an extensive selection of products, CBSI caters to the needs of contractors, builders, and homeowners.

As a leading provider in the industry, CBSI offers a wide range of products and services. Their inventory includes drywall, steel, acoustical tiles, insulation, tools, lumber, and more. Whether you need regular, fire-rated, or mold-resistant drywall, or steel studs and tracks, CBSI has you covered.

In addition to their vast product selection, CBSI provides reliable services such as delivery, specialty orders, showrooms, and customer pickups. Their knowledgeable professionals are always available to assist you with any questions or concerns you may have. With multiple yards located across Maryland, Delaware, Virginia, and the D.

C. Choose Capitol Building Supply Inc. Trust their expertise and let them be your partner in success