Amateur Softball Association - a volunteer driven, not-for-profit organization based in Oklahoma City, OK, was founded in 1933 and has evolved into the strongest softball organization in the country. The growth and development of the association led the United States Olympic Committee (USOC) to name the ASA the National Governing Body of Softball, pursuant to the Amateur Sports Act of 1978.
Independent Softball Association - founded in 1982 in Shelbyville, Tennessee, by Larry Nash. ISA is one of four major governing bodies of amateur softball in America.
