Weyerhaeuser Company is one of the world's largest private owners of timberlands and a leading manufacturer of forest products. The company was founded in 1900 and is headquartered in Seattle, Washington. Weyerhaeuser operates in North America, South America, and Europe, and has approximately 9,400 employees worldwide. The company's products include lumber, plywood, engineered wood products, cellulose fibers, and packaging. Weyerhaeuser is committed to sustainable forestry practices and has set ambitious targets to reduce its environmental impact and promote responsible sourcing.