BOS is a bank and financial services provider with branches in Springfield, Chatham, Jacksonville, Quincy, Staunton, Glen Carbon, Swansea, and Shiloh, Illinois and Brentwood, Missouri. Bank of Springfield, a progressive bank and financial information provider, is dedicated to building life-long relationships with its customers, employees and communities. BOS strives to provide multiple options that fit clients' life, and makes banking easy and convenient.