Hampton Lumber Mills operates five sawmills in Oregon and Washington. The company focuses on construction lumber, with each mill producing unique products and services. Its primary mill locations in Oregon are in Willamina, where Douglas fir is processed, and in Tillamook, which specializes in kiln-dried hemlock. The company s sawmill in Darrington, Wash., produces kiln dried dimension and stud products from Hemlock and Douglas fir logs. The Cowlitz Division has mill locations in Morton and Randle, Wash. It produces stud grade lumber for all segments of the domestic market. Hampton Lumber Mills is a division of Hampton Affiliates. In its 50-year history, Hampton Affiliates has expanded from a single mill operation to one of the largest privately held forest and building products companies in the United States. Its resource holdings provide much of the raw material for its manufacturing centers, which produce commodity lumber, studs and metric lumber. The company maintains a private fleet of railcars for shipping products.