Bank of Oklahoma Financial Corporation (based in Oklahoma City) operates seven bank subsidiaries spanning Oklahoma, New Mexico, Arizona, Texas, Kansas, Arkansas and Colorado. The bank's desire to deliver enhanced customer experiences at the ATM combined with the need to support multiple brands and marketing across a variety of ATM manufacturer's makes and models made the choice for Phoenix and VISTAatm an obvious one. The corporation supports over 1,600 ATM locations with hardware from Diebold and NCR.