BOK Financial Corporation, a financial holding company, provides a range of financial services to commercial and industrial customers, and other financial institutions and consumers in Oklahoma; Northwest Arkansas; Dallas and Houston, Texas; Albuquerque, New Mexico; Denver, Colorado; Phoenix, Arizona; and Kansas City, Kansas. It operates in five segments: Corporate Banking, Consumer Banking, Mortgage Banking, Wealth Management, and Regional Banking. The Corporate Banking segment provides loan and lease financing, and treasury and cash management services to businesses. It also offers ATM and merchant deposit services through its TransFund unit. This segment serves small businesses, and middle market and larger customers, as well as customers in the energy, agriculture, healthcare, and banking/finance industries. The Consumer Banking segment offers deposits, loans, and fee-based services through traditional branches, supermarket branches, the ExpressBank call center, and the Internet. The Mortgage Banking segment engages in the mortgage banking operations, which include the origination, marketing, and service of conventional and government-sponsored mortgage loans. The Wealth Management segment provides brokerage and trading, trust and private financial services, and investment advisory services in various markets. It serves individuals, businesses, not-for-profit organizations, and government agencies. The Regional Banking segment offers corporate and commercial banking services. In addition, the company involves in the sale of retail and institutional securities; and underwriting of municipal bonds. BOK Financial was founded in 1910 and is headquartered in Tulsa, Oklahoma.