International Bancshares Corporation Provides Wide Range of Banking Services in Texas and Oklahoma International Bancshares Corporation, a financial holding company founded in 1966, offers diverse banking services including commercial and retail services in Texas and the State of Oklahoma. The corporation accepts checking and saving deposits from its customers and provides loans for commercial, real estate, personal, home improvement, automobile, and other installment and term purposes. As it offers international banking services as well, it provides letters of credit, commercial and industrial loans, and foreign exchange services to its clients. Furthermore, the corporation offers customary banking related services including credit cards, safety deposit boxes, collection, notary public, escrow, drive up, and walk up facilities. For its tech-savvy clients, the company has also introduced Internet banking services, as well as securities products via third-party providers. Headquartered in Laredo, Texas, the company has steadily expanded its banking services over the years to meet the growing market demand.