American Contract Bridge League

The American Contract Bridge League (ACBL) is the governing body for contract bridge in the United States, Mexico, Bermuda and Canada and is a member of the World Bridge Federation, the international bridge governing body. It is the largest such organization in North America. having the stated mission "to promote, grow and sustain the game of bridge and serve the bridge-related interests of our Members." Besides representing the interests of it members with the World Bridge Federation, its major activities are:

As of 2016^[update], it had more than 168,000 members.

A not-for-profit organization, the ACBL was founded in 1937 in New York City and later moved its company headquarters to Greenwich, Connecticut, then to Memphis, Tennessee in 1971 and to Horn Lake, Mississippi in 2010. It has a full-time staff of 75 employees in Horn Lake, plus about 170 tournament directors throughout the country. The headquarters also houses the League's Hall of Fame, library and museum.

Three times a year, in the spring, summer, and fall, the ACBL holds the North American Bridge Championships (NABC) using the duplicate bridge method of scoring, which greatly reduces the element of luck in competition. The NABC typically extends over eleven days and includes many different events. The location of the NABC is rotated among major cities, attended by thousands of players. The 2009 Summer Nationals in Washington, DC had 14,115 total tables played over the 11 days.

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