Founded in 1988, Glenbrook Lumber & Supply is an independently owned company that supplies building materials to professional builders, contractors and homeowners. Its inventory includes lumber, plywood, siding, roof and floor trusses, doors, windows, cabinets and engineered wood products. In addition, Glenbrook Lumber & Supply provides Woodmaster foundation systems and EdgeBuilder panelized wall system for townhomes, apartments and commercial buildings. The company features products from various manufacturers, including Marwin Doors and Windows, Andersen Corporation, CertainTeed, GAF-ELK and Trex. It also provides design consultation, estimation and evaluation, installation and delivery services. Glenbrook Lumber & Supply maintains its presence in Oakdale, Minn.