International Bancshares Corporation Common Stock, also called IBC Bank, is a financial holding company, which provides banking services for commercial, consumer, and international customers of South, Central, and Southeast Texas and the State of Oklahoma. It engages in the business of banking, including the acceptance of checking and savings deposits and the making of commercial, real estate, personal, home improvement, automobile and other installment and term loans. Read More It also offers other related services, such as credit cards, travelers' checks, safety deposit, collection, notary public, escrow, drive-up and walk-up facilities and other customary banking services. The company was founded in 1979 and is headquartered in Laredo, TX.