Established in 1958, Grubb & Ellis Company is one of the largest in the United States that provides commercial real estate and investment services. The company has more than 130 owned and affiliate offices worldwide. It offers lease administration, valuation consulting and investment advisory services. Grubb & Ellis Company conducts proprietary market research for property owners, corporate occupants and investors. The company manages more than 200 million square feet of real estate. It provides a range of real estate investment vehicles, including tax-deferred 1031 tenant-in-common exchanges and public nontraded real estate investment trusts and funds. Grubb & Ellis Company also offers facility management, landlord representation, strategic planning and transaction services.