St. Helens Paper Mill, Oregon

This paper mill on the Columbia River is one of a few large mills that were acquired by the Packaging Corporation of America when it bought the pulp and paper division of Boise Cascade, in 2013 (Boise Cascade is still active in wood products, but not paper). The Packaging Corporation of America is a paper products manufacturing company primarily making packaging for consumer products like foods, and corrugated boxes. Based in Lake Forest, Illinois, the company was named in 1999, but existed before that as Tenneco Packaging, It has 6 containerboard mills, 2 white paper mills, and more than 90 converting plants, where printed containerboard is cut and folded into packaging products. The company has around 15,000 employees, and around $3 billion in annual sales.