Mid-Am Building Supply is a wholesale distributor of specialty building products serving customers across a ten-state area of the Midwest. Founded in 1967 and a subsidiary of ADENTRA, the company focuses on helping its partners grow through dependable service and access to a broad selection of products from leading manufacturers. Its regional customer service centers and extensive inventory support builders and other customers with a wide range of building materials.

Mid-Am supplies interior and exterior doors, door hardware, windows, roofing, siding, insulation, fasteners, cabinets, mouldings, millwork, decking, railing, and ventilation products. Its assortment also includes garage and storm doors, locks, structural connectors, drywall systems, house wrap, and roofing accessories. The company offers its Next Edge door system, along with services and support such as cabinet design, prefinishing, product catalogs, and customer portals. With a business office in Moberly, Missouri, Mid-Am combines product distribution, transportation, and customer-service capabilities to serve building industry partners throughout the region.