Farmers & Merchants Bank 619 Stockell Dr, Eureka, MO63025 Farmers & Merchants Bank is an independent community bank. The main branch is located in St. Clair, Mo. This bank…More prides itself on being committed to its community. Personal Bankers can use their knowledge to help you figure out which of their many services is for you. Choose from checking, savings, money market, CDs, personal loans, residential loans or anything you need for your business.