Established in 1948, Great Central Lumber Company is a provider of customized millwork, hardware and lumber products. Its areas of specialization include scheduling, engineering and free delivery services. The company offers different types of vinyl and aluminum doors and windows. Great Central Lumber Company provides hardboards, panels, roof trusses and decking materials. The company designs and undertakes residential and commercial projects. It has a staff of trained and certified professionals that offers free estimation and customer support services. Great Central Lumber Company operates several lumberyards located in Missouri and Illinois. The company additionally provides siding and plywood products. Great Central Lumber Company maintains a location in St. Peters, Mo.