In 2006, Birmingham United Soccer Association was formed as a result of a merger between Mountain Brook Soccer Club and American Jets Soccer Club. With over 3,200 players a season and over 7,000 annually, access to over 21 soccer fields at 7 venues and 7 full time staff members, BUSA has grown into one of the largest soccer clubs in the southeast. In 2009, BUSA became an official memeber of the Elite Clubs National League (ECNL), the highest level of youth soccer for girls in the USA.  In 2017, BUSA became a founding member of Boys ECNL.