First Financial Bankshares, Inc., through its subsidiaries, provides banking services in the United States. The company offers general commercial banking services, including checking, savings and time deposits, loans, automated teller machines, drive-in and night deposit services, safe deposit facilities, remote deposit capture, internet banking, mobile banking, payroll cards, funds transfer, and other customary commercial banking service, as well as securities brokerage services. It also provides personal trust services, such as wealth management; administration of estates, oil and gas management; farm and ranch; property management; testamentary trusts; revocable and irrevocable trusts; and agency accounts. In addition, the company offers commercial and industrial; municipal; agricultura…