AABC ORGANIZATION American Amateur Baseball Congress (AABC) is the largest amateur baseball organization in the United States for players above junior baseball age and the only amateur baseball program, which provides progressive and continuous organized competition – sub teens through adults. It is coordinated with other programs through USA Baseball and the American Baseball Coaches Association. Founded in 1935, it is now composed of the following regions: East Central, North Atlantic, North Central, Puerto Rico, Southeast, South Plains, and West. AABC Contact List – For further information visit aabc.us