WestRock was an American corrugated packaging company and in 2024 merged with Smurfit Kappa to become Smurfit Westrock. It was formed in July 2015 after the merger of MeadWestvaco and RockTenn.[2] WestRock was the 2nd largest American packaging company. It was one of the world's largest paper and packaging companies with US$21.3 billion in annual revenue and more than 50,000 team members in more than 300 locations in 30 countries around the world.[3][4][5] The company was headquartered in Sandy Springs, Georgia, consolidating offices from Norcross, Georgia and Richmond, Virginia.[6]