First National Bank of St Louis, 2996 Highway K, O Fallon, MO 63368, US

Commercial Bank was founded in 1988, and this Chesterfield branch was added in 2005. It offers a myriad of banking services including checking and savings accounts, CDs and IRAs, credit cards, business, auto and home equity loans and even currency exchange. You may also purchase money orders or take advantage of its money wiring services. Its drive-thru ATM machine also features a live video connection to a bank teller. Its small size and local nature allows personal relationships with customers. Many investment services are offered through its sister company, CB Financial Services.