Incorporated in 1900, Weyerhaeuser is one of the world's largest, publicly held companies that provides forest products. The company manages more than 21 million acres of timberland with operations in over 15 countries. It is engaged in the growing, harvesting, distribution and selling of timber- related products. Weyerhaeuser offers a variety of products, such as environmental friendly paper, absorbent pulp, textile fabrics and specialty fibers. The company also provides construction materials under the Matrix brand for use in fiber cement. It offers packaging paper, boards and newsprints. Weyerhaeuser additionally provides floors, lumber panels, beams, roofs and panel products. The company sells products under the Thinflex, SoLoNo, Structure Serv and Peach brands. It operates Weyerhaeuser Real Estate Company, which specializes in residential building services. Weyerhaeuser serves the petroleum, automotive, medical and industrial sectors.