What did Bank OZK used to be called?

Anderson State Bank 10 Bank of Southside Virginia 11 Brannen Bank 9 Carthage Savings & Loan Association, N.A. 15 CRESCENT Bank 15 Fairfield National Bank 4 FIRST FOUND Bank 9 First National Bank of Hartford 1 First National Bank of Johnson 2 First National Bank of Williamson 3 Frontier Bank of Texas 11 Magnolia State Bank 10 National Bank & Trust 1 PINNACLE Bank 13 ROYAL BUS Bank 17 Security State Bank of Hibbing 6 Siouxland Bank 2 SOUTHWEST MO Bank 8 State Bank of New Richland 12 State Savings Bank 9