Founded in 1933 as the Amateur Softball Association by Leo Fisher and Michael J. Pauley, USA Softball was named the National Governing Body of Softball in the United States by the United States Olympic Committee in 1978. USA Softball National Office is located in Oklahoma City. USA Softball has 70 local associations that register teams and organize leagues around the country. USA Softball registers over 245,000 softball teams comprising over 2.02 million players. USA Softball annually registers over 83,000 youth girls' fast pitch softball teams comprising over 1.2 million girls. USA Softball annually registers over 30,000 certified umpires USA Softball conducts over 100 National Championships on an annual basis in which 30,000 players compete USA Softball's website, www.USASoftball.com, averages over 4,000 "unique visitors" per day. The ASA Hall of Fame Stadium in Oklahoma City has served as host of the NCAA Women's College World Series more than any other site.