Colliers Turley Martin Tucker, founded in 1926, is one of the leading real estate companies in the United States. It provides a range of real estate management and advisory services. It operates offices in various locations that include Cincinnati, Columbus and Dayton, Ohio; Indianapolis; Kansas City, Mo.; Minneapolis; Nashville, Tenn.; and St. Louis. The real estate company specializes in appraisal, auction and construction services, as well as investment services and corporate and development solutions. Its appraisal services include expert witness testimony, lease and sale arbitration, condemnation, financing and loan collateral evaluation, tax appeals, portfolio valuations, partial interest valuations and feasibility studies.