Clearwater Paper Corporation manufactures and supplies solid bleached sulfate (SBS) paperboard packaging products in the United States and internationally. The company offers SBS paperboard for use in folding cartons, food service, and commercial printing items; folding carton paperboards, such as blister, carded packaging, and top sheet products; food service paperboard, including liquid packaging, and cup and plate categories, as well as rigid containers comprising juice, milk, and wine; and custom sheeting and slitting of paperboard products. It serves packaging converters through sales managers. The company was founded in 1926 and is headquartered in Spokane, Washington.