AYSO know as The American Youth Soccer Organization, established in Los Angeles in 1964 with nine teams, is primarily a youth sports organization. It has more than 50,000 teams and more than 6,50,000 players. AYSO has its National Support and Training Center in Hawthorne, Calif. It is a National Association of the United States Soccer Federation. The organization provides services, such as coaching and referee programs, administrative and operating systems with a support network, financial position and more. .