Packaging Corp. of America PKG

What this company does

The company operates ten mills and 91 corrugated products plants and related facilities. It is headquartered in Lake Forest, Illinois and operates in the United States. As of December 31, 2025, the company had approximately 16,800 employees, including 4,600 salaried and 12,200 hourly employees. It reports in three reportable segments: 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 wide variety of corrugated packaging products, including conventional shipping containers used to protect and transport manufactured goods, multi-color boxes and displays that help to merchandise the packaged product in retail locations, and honeycomb protective packaging. In its Paper segment, 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 Corporate and Other segment includes corporate support staff services and related assets and liabilities.

Written from the business description in PACKAGING CORP OF AMERICA's annual report to the U.S. Securities and Exchange Commission, filed 26 February 2026. Every sentence was checked against that document before publication.