|TCF Financial Corporation (TCF) is a national bank holding company. TCF's principal subsidiary is TCF National Bank (TCF Bank). TCF Bank operates bank branches in Minnesota, Illinois, Michigan, Colorado, Wisconsin, Indiana, Arizona and South Dakota. TCF's focus is on the delivery of retail and commercial banking products in markets served by TCF Bank. TCF also conducts commercial leasing and equipment finance business in all 50 states and, to a limited extent, in foreign countries, commercial inventory finance in the United States and Canada, and indirect auto finance business in over 30 states. TCF's core businesses include Retail Banking, Wholesale Banking and Treasury Services. TCF Bank's subsidiaries principally engage in leasing and equipment finance, inventory finance and auto finance activities. On November 30, 2011, TCF Bank acquired Gateway One Lending & Finance, LLC (Gateway One).