Trustmark Corporation operates as the bank holding company for Trustmark National Bank that provides banking and other financial solutions to individuals and corporate institutions in the United States. The company offers checking, savings, and money market accounts; individual retirement accounts; certificates of deposits; financing for commercial and industrial projects, income producing commercial real estate, owner-occupied real estate, and construction and land development; and installment and real estate loans, and lines of credit. It also provides mortgage banking services, including construction financing, production of conventional and government insured mortgages, and secondary marketing and mortgage servicing; and treasury management services. In addition, the company provides wealth management and trust services, such as administration of personal trusts and estates; management of investment accounts for individuals, employee benefit plans, and charitable foundations; and corporate trust and institutional custody, securities brokerage, financial and estate planning, retirement plan, and investment management. Further, it offers business insurance products and services for medical professionals, construction, manufacturing, hospitality, real estate, and group life and health plans; and life and health insurance, and personal line policies for individual customers, as well as provides an intermediary vehicle for the provision of loans or investments in low-income communities. As of December 31, 2020, the company operated 174 full-service branches and 12 limited service branches; and 230 automated teller machines and 34 interactive teller machines. Trustmark Corporation was founded in 1889 and is headquartered in Jackson, Mississippi.