Founded in 1988, Hilltop Lumber is a supplier of building materials and home improvement products to homeowners and contractors. It owns full-service lumberyards and retail stores in Alexandria, Glenwood, Parkers Prairie and Brandon, Minn. Hilltop Lumber provides decking and railing materials, steel products, lumber, siding, floor coverings, doors, windows and a range of tools. It also offers roofing, insulation and ventilation products, kitchen and bathroom accessories, fasteners and stair systems. Hilltop Lumber features products from various manufacturers, including Marwin Windows and Doors, Larson Manufacturing Company, Kolbe & Kolbe Millwork, Dura Supreme, Rhino Deck and CertainTeed. The company provides task consultation and millwork services and offers assistance in project design and layout. It has a staff of more than 45 employees. Hilltop Lumber maintains one of its store locations in Alexandria, Minn.