ADC 1 is made up of Locals 21, 56, and 74. Our Union represents a wide range of trowel trades in the Chicagoland area including Bricklayers, Concrete Specialists, Foam Insulators, Marble Masons, Marble Finishers, Mosaic Workers, Plasterers, Pointers Cleaners and Caulkers, Precast Workers, Refractory Workers, Stone Masons, Tile Layers, Tile Finishers, Terrazzo Workers, Terrazzo Finishers and Welders.
