Founded in 1940, Amerhart Ltd. is a building supply wholesaler/distributor providing products and services throughout the Midwest. Based in Green Bay, Wis., the company is certified for multi-site chain-of-custody by SmartWood. It offers a wide variety of lumber, panel, decking and insulation products. Amerhart Ltd. also offers fasteners and other specialty items. The company is a member of many organizations, including Wisconsin Retail Lumbermen's Association (WRLA), NorthWest Lumbermen's Association (NWLA) and North American Wholesale Lumber Association (NAWLA).