BOK Financial Corporation (BOKF) is a $18 billion regional financial services company based in Tulsa, Oklahoma. The company’s stock is publicly traded on NASDAQ under the national market listings. Assets of the organization are centered in seven bank subsidiaries, Bank of Oklahoma, Bank of Texas, Bank of Albuquerque, Bank of Arkansas , Bank of Arizona, Colorado State Bank and Trust and Bank of Kansas City. BOKF offers trust and investment management services through its banks and Southwest Trust Company, N.A., and administers over $30 billion of client assets with offices in Oklahoma, Texas, New Mexico, Colorado, Arkansas, Arizona, Kansas and Utah.