Plum Creek Timber Company, Inc. is a publicly owned real estate investment trust (REIT). The trust owns and manages timberlands in the United States. Its products include lumber products, plywood, medium density fiberboard, and related by-products, such as wood chips. The trust also focuses on mineral extraction and natural gas production, communication, and transportation. Plum Creek Timber Company was founded in 1989 and is based in Seattle, Washington. The Timber Company operates independently of Georgia-Pacific LLC as of December 16, 1997.