Established in 1989, Plum Creek Timber Company Inc. is a Real Estate Investment Trust (REIT) that specializes in growing, harvesting and selling timber. It is one of the largest private landowner in the United States. The firm owns over 6.8 million acres of timberlands in major timber producing regions of the country. Through its manufacturing facilities in the Northwest, the firm produces lumber, plywood and medium density fiberboard. It sells its products to retail, industrial and other specialty markets.