Packaging Corporation of America engages in the production of container products. The company is headquartered in Lake Forest, Illinois and currently employs 15,400 full-time employees. The company went IPO on 2000-01-28. The firm operates eight mills and 86 corrugated products plants and related facilities. Its segments include Packaging, Paper and Corporate and Other. Its containerboard mills produce linerboard and corrugating medium, which are papers primarily used in the production of corrugated products. Its corrugated products manufacturing plants produce a variety of corrugated packaging products. In addition, it also produces packaging for meat, fresh fruit, and vegetables, processed food, beverages, and other industrial and consumer products. The company manufactures and sells papers, including both commodity and specialty papers, which may have custom or specialized features, such as colors, coatings, high brightness, and recycled content. Its papers consist of communication papers, including cut-size office papers, and printing and converting papers.