The group's principal activity is providing banking services to commercial, retail, government and correspondent bank customers. the other services offered include international banking services, investment and cash management services, data processing services for correspondent banks. it also provides a full range of trust activities for individuals, estates, business corporations, governmental bodies and public authorities. the services of the group are provided in the states of missouri, kansas, colorado, illinois, oklahoma, iowa and nebraska. the group owns 5 commercial banks, a credit card bank, a bank real estate corporation, a reinsurance company, a community development corporation, a consulting company and a data services company. interest & fees on loans accounted for 37% of 2001 revenues; Other interest income, 26% and non-interest income, 37%.