Do business with a bank that has a history of convenience, success and community involvement. From Marion to Cambria to Carterville to Energy, that’s the Bank of Herrin. We're committed to combining the wisdom and innovation to bring you the best that the banking industry has to offer. The Bank of Herrin has 5 branches in Williamson County. We've been successfully serving our customers for over 100 years. We pride ourselves in offering world-class financial services with that special personal touch that can only come from a neighborhood bank.