Allied Building Products is a family-operated distributor of residential and commercial building products to the building construction and remodeling industry. The company maintains a staff of more than 3,500 professionals and operates a fleet of over 1,500 cars, trucks and tractor trailers. It offers acoustical tiles and accessories, wood ceilings, drywall suspension systems, kitchen cabinets and laminate flooring products. The company features products from various manufacturers, including USG, Dietrich Industries, National Gypsum Company, Owens Corning, Accent Wire and Grabber. It is a part of CRH, which operates offices in more than 25 countries worldwide and employs over 66,500 professionals and support members. Allied Building Products has been operational for more than 50 years and maintains a location in Annapolis, Md.