American Baseball Coaches Association

The American Baseball Coaches Association (ABCA) is the world’s largest amateur baseball coaching organization and a leading professional association for baseball coaches across all levels of the sport. Founded in 1945, the ABCA represents over 15,000 members from all 50 U.S. states and more than 40 countries worldwide, encompassing coaches from youth, high school, junior college, NAIA, and NCAA divisions.

Source: Wikipedia — American Baseball Coaches Association (CC BY-SA 4.0)