Established in 1958, Grubb & Ellis is a real estate company that specializes in the buying and selling of commercial properties. With more than 130 offices, it offers consulting and investment-related advisory services for tenants, property owners, corporate occupants and investors. The company provides investment programs that include opportunities for individuals and institutions to invest in a range of real estate investment vehicles, including tax-deferred exchanges and public, nontraded real estate investment trusts and funds. It deals in sports and entertainment facilities, health care centers, vacant land, multifamily units, shopping malls, and retail and income properties. Grubb & Ellis runs various market research and analysis programs and provides market reports and databases. It offers agency leasing, asset development, tenant representation, project management and retail services. Grubb & Ellis employs over 1,800 brokerage professionals and has an office in Portland, Ore.