Security Midwest Bancorp, Inc. operates as bank holding company for Security Bank that provides various financial products and services in Illinois. It offers savings and checking, demand deposit, money market, and certificate of deposit accounts. The company also provides lending products, such as one- to four-family residential real estate, commercial real estate, commercial and industrial, multi-family residential real estate, construction and development, farmland, and consumer loans. In addition, it offers credit and debit cards; safe deposit boxes; and online bill pay, digital, and mobile banking services. The company operates through a network of banking offices. Security Midwest Bancorp, Inc. was founded in 1906 and is based in Springfield, Illinois.