AFL-CIO

The American Federation of Labor and Congress of Industrial Organizations (AFL-CIO) is a national trade union center that is the largest federation of unions in the United States. It is made up of 61 national and international unions, together representing nearly 15 million active and retired workers. The AFL-CIO engages in substantial political spending and activism, typically in support of progressive and pro-labor policies.

federation of U.S. labor unions, 1886-1955

North American federation of labor unions from 1935 to 1955

industrial labor union in North America

defunct US air traffic controller labor union, operating 1968–1981

American Jewish labor organization

labor union representing film and television writers