BOK Financial Corp. is a financial holding company, which engages in the provision of financial solutions. It operates through the following segments: Commercial Banking, Consumer Banking, and Wealth Management. The Commercial Banking segment includes lending, treasury, and cash management services as well as customers risk management products for small businesses, middle market, and larger commercial customer. The Consumer Banking segment offers retail lending and deposit services; lending and deposit services to small business customers served through the retail branch network; and all mortgage banking activities. The Wealth Management segment provides fiduciary services, private bank services, and investment advisory services in all markets as well as underwriting state and municipal securities. The company was founded in 1990 and is headquartered in Tulsa, OK.