- Business
- KapStone Paper and Packaging Corporation, a leading U.S. producer of containerboard, corrugated products and specialty papers, manufactures and sells linerboard and corrugated medium for corrugated containers; kraft paper including multiwall paper for bags containing agricultural products, pet food, baking products, cement and chemicals, as well as specialty converting paper for shingle wraps, end caps, roll wraps and dunnage bags; saturating kraft paper under the Durasorb brand for construction, electronics and furniture industries; unbleached folding carton board under the Kraftpak brand; and lightweight paper, while its Distribution segment supplies stretch films, void fills, carton sealing tapes and other specialty tapes to industrial and consumer markets across the United States, Canada and Mexico. Founded in 2005 and formerly headquartered in Northbrook, Illinois, the company operates mills in states including South Carolina, North Carolina and Washington, with a previous sales and marketing network supporting customers in moving and storage, automotive, retail and government sectors. KapStone was acquired by WestRock Company in a $4.9 billion transaction completed in November 2018, integrating its operations into WestRock's corrugated business and enhancing WestRock's West Coast presence and paper grade portfolio; its ticker KS is now delisted, and former KapStone assets form part of Smurfit WestRock following WestRock's 2024 merger with Smurfit Kappa.