Asbestos Workers Local No. 2

Boilermakers Local No. 154

Bricklayers Local No. 9 (Pittsburgh Brick Chapter)

Carpenters, Greater PA Regional Council of

Cement Masons Local No. 526

Dry Wall Finishers Local No. 2006

International Union of Elevator Constructors Local No. 6

Floor Coverers and Decorators Local No. 1759

Glaziers Local No. 751

International Brotherhood of Electrical Workers Local No. 5

Bridge, Structural & Ornamental Iron Workers Local No. 3

Laborers' District Council of Western Pennsylvania

Intl Union of Bricklayers & Allied Craftsmen Local No. 9 (Marble Masons)

Millwrights Local No. 2235

International Union of Operating Engineers Local No. 66

Painters Local No. 6 District Council 57

Pile Drivers Local No. 2235

Plasterers Local No. 31

Plumbers Local No. 27

Intl Union of Bricklayers & Allied Craftsmen Local No. 9 (Pointers, Cleaners & Caulkers)

United Union of Roofers, Waterproofers & Allied Workers Local No. 37

Sheet Metal Workers Local No. 12

Sprinkler Fitters Local No. 542

Steamfitters Local No. 449

Intl Union of Bricklayers & Allied Craftsmen Local No. 9 (Stone Masons)

Intl Union of Bricklayers & Allied Craftsmen Local No. 9 (Terrazzo Workers I & II)

Intl Union of Bricklayers & Allied Craftsmen Local No. 9 (Tile & Marble Finishers)

Intl Union of Bricklayers & Allied Craftsmen Local No. 9 (Tile Setters)