Here are the 10 largest banks in Mexico and their ABM codes. ABM (bank) codeShortened bank nameFull bank name in Mexico 012 Bancomer Grupo Financiero BBVA Bancomer, S.A. de C.V. 014 Santander México Grupo Financiero Santander Mexico, S.A.B. de C.V. 002 Banamex (Banco Nacional de M...