Founded in 1909, Armstrong Bank is a community bank that offers a range of financial services and products. The bank provides construction, home, agriculture, business and personal loans. It offers checking, individual retirement and savings accounts. Armstrong Bank also provides a range of loan calculators. The bank offers certificates of deposit and safe-deposit boxes. It provides online banking services that allow viewing information about accounts and transactions. The bank offers ATM and telephone banking services. It additionally provides a variety of life insurance products. The bank operates more than 10 offices in Oklahoma. Armstrong Bank maintains a presence in Tahlequah, Okla. .