Established in 1951, D.R. Johnson Lumber Company specializes in the manufacture of Douglas fir lumber. It offers a wide range of structural joists and planks, posts, beams and timbers, and full sawn industrial clears and scaffold planks. The company operates a large inventory that provides to meet the special order needs of its customers. The company includes six affiliated companies, including Umpqua Lumber Company, Riddle Laminators, Prairie Wood Products, Wallowa Forest Products and Grant Western Lumber Company. In addition, it manufactures structural glue-laminated beams in various woods, such as Douglas Fir and Alaskan Yellow Cedar. It has a daily production of over 1 million board feet of lumber. D.R. Johnson Lumber Company s production facility is located in Riddle, Ore.