International Union of Bricklayers and Allied Craftworkers

The International Union of Bricklayers and Allied Craftworkers (BAC) is a labor union in the United States and Canada which represents bricklayers, restoration specialists, pointers/cleaners/caulkers, stonemasons, marble masons, cement masons, plasterers, tile setters, terrazzo mechanics, and tile, marble and terrazzo finishers. The union is an affiliate of the AFL–CIO and its Building and Construction Trades Department.

Source: Wikipedia — International Union of Bricklayers and Allied Craftworkers (CC BY-SA 4.0)