In operation for more than 100 years, Thumb National Bank and Trust Company offers a range of financial products and services to individuals and businesses in Michigan. It provides a variety of checking, savings and individual retirement accounts, as well as certificates of deposit. Thumb National Bank and Trust Company also offers boat, automobile and recreational vehicle loans. Additionally, it provides a range of commercial real estate mortgage options and business credit cards. The bank offers online cash management services. Thumb National Bank and Trust Company maintains a network of various branches and ATMs. The bank is a member of the Federal Deposit Insurance Corporation and an Equal Housing Lender. It also provides online financial calculators. Additionally, Thumb National Bank and Trust Company offers profit sharing and pension plans. .