Weyerhaeuser Company ( Weyerhaeuser is the world's largest owner of privately held commercial coniferous forests and producer of coniferous lumber and commercial wood pulp, founded in 1900 and headquartered in Seattle, Washington, with operations in forestland, forest products, pulp and paper, containerboard and packaging and recycling paper, and real estate development. The company was ranked No. 815 in the 2014 Global 2000.