BOK Financial Corporation, is a financial holding company. BOK Financial offers service banking in Oklahoma, Texas, New Mexico, Northwest Arkansas, Colorado, Arizona, and Kansas/Missouri. BOKF, NA (the Bank) is a wholly owned subsidiary bank of BOK Financial. Operating divisions of the Bank include Bank of Albuquerque, Bank of Arizona, Bank of Arkansas, Bank of Kansas City, Bank of Oklahoma, Bank of Texas and Colorado State Bank and Trust. Other wholly owned subsidiaries of BOK Financial include BOSC, Inc., a broker/dealer that engages in retail and institutional securities sales and municipal bond underwriting. BOK Financial operates three principal lines of business: commercial banking, consumer banking and wealth management. BOK Financial, through its subsidiaries, provides a wide range of financial services. In March 2014, BOK Financial Corp completed the acquisition of Topeka, Kansas-based GTRUST Financial Corporation by its bank subsidiary, BOKF, NA.