Founded in Brooklyn in 1912, Reeb is a building-products company that distributes door and millwork products and also produces door products. It serves building-material suppliers and professional contractors through five East Coast locations, stocking about 24,000 product SKUs in more than 1.2 million square feet of warehouse space. Reeb also operates two high-speed door pre-finishing lines and uses CNC machining and hand assembly for customized orders.