Local No. 95

International Association of Heat and Frost Insulators and Asbestos Workers

Local No. 128

International Brotherhood of Boilermakers, Iron Shipbuilders, Blacksmiths, Forgers and Helpers

Local No. 2

International Brotherhood of Bricklayers and Allied Craftsmen Carpenters District Council of Toronto and Vicinity

Local No. 721

International Association of Bridge, Structural and Ornamental Iron Workers

Local No. 31

Marble Masons, Tile Setters and Terrazzo Mechanics

Local No. 46

International Brotherhood of Painters and Allied Trades

Local No. 30

Sheet Metal Workers International Association

Local 3219

United Brotherhood of Carpenters and Joiners of America

Local No. 353

International Brotherhood of Electrical Workers

Local No. 46

United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada

Local Lodge 235

International Association of Machinists and Aerospace Workers

Local No. 787

United Association of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada

Local No. 27

United Brotherhood of Carpenters and Joiners of America Local No. 506, International Brotherhood of Cement Finishers

Local No. 506

International Brotherhood of Cement Finishers

Local No. 853

United Association of Sprinkler Fitters of Ontario