International Union of Bricklayers and Allied Craftworkers
620 F Street NW
Washington, DC 20004
Toll free: 1.888.880.8222
Founded in 1865, the International Union of Bricklayers and Allied Craftworkers represents craftworkers in the trowel trades across the United States and Canada including bricklayers, stone and marble masons, cement masons, plasterers, tilesetters, terrazzo and mosaic workers, and pointers/cleaners/caulkers.