IF Bancorp, Inc. is the savings and loan holding company for Iroquois Federal Savings and Loan Association, providing banking and financial services to individuals and businesses. It offers deposit accounts such as savings, certificates of deposit, money market, checking, individual retirement, and health savings accounts. Lending includes residential and multifamily mortgages, commercial real estate and farm loans, home equity lines of credit, commercial business loans, consumer loans (primarily automobile), construction, and land development loans. The company also sells insurance and annuities, offers mutual funds, retirement plans, life and health insurance, securities, managed accounts, and other financial services, and provides ATMs, online and mobile banking, ACH origination, remote deposit capture, and telephone banking. Founded in 1883 and headquartered in Watseka, Illinois, IF Bancorp, Inc. became a subsidiary of ServBanc Holdco, Inc. as of March 12, 2026.