Lakeside State Bank began operations in February of 1976. The state chartered bank offers an array of financial services, which include a variety of checking, savings and money market accounts. It acquired The First National Bank of Chelsea in December 2006. Based in Oologah, Okla., Lakeside State Bank also offers internet and telephone banking services to its clients. The bank is a member of Federal Deposit Insurance Corporation (FDIC) and is an Equal Housing Lender.