Established in 1900, Weyerhaeuser Company is one of the world's largest forest products companies. It is involved in growing and harvesting trees, building homes and manufacturing a range of forest products for various uses. The company offers a wide range of products, such as cellulose fibers, paper and liquid packaging, real estate shipping, timberlands wood and building products. Based in Federal Way, Wash., the company offers wood products for a variety of residential and commercial applications from durable roofs, stable walls and elegant flooring to consistent concrete forming, safe scaffolding and inviting decks.