Empire Building Materials building, material, wholesale, lumber, wood, plywood, osb, framing, joist, hanger, siding, bevel, cedar, redwood, oak, birch, doors, millwork, moulding, stepping, alder, stairs, hardwood, paneling, pattern, stock, roofing, shingles, shakes, timbers, beams, kwp, Masonite, malarkey, gaf, iko, titanium, felt, rolled, montana, bozeman, missoula, idaho, wyoming, south dakota, walnut, cherry, insulation, fencing, coatings, pre finish, custom, doors, lumber, yard, simpson, strong, tie, trex, decking, composite, foam, board Established in 1954, Empire Building Materials, Inc. is a wholesale distributor supplying lumberyards and home centers throughout Montana, Wyoming, Idaho, and South Dakota. By distributing a wide array of building products, Empire can cover a building project from start to finish: