Joining a Trade Union

International Association of Heat and Frost Insulators and Allied Workers

International Brotherhood of Boilermakers Canada

International Brotherhood of Electrical Workers

International Brotherhood of Teamsters

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

Operative Plasterers' and Cement Masons' International Association of the United States and Canada

International Union of Operating Engineers

International Union of Painters and Allied Trades

International Union of Elevator Constructors

United Brotherhood of Carpenters

Millwrights

International Union of Bricklayers and Allied Craftworkers

Sheet Metal Workers' International Association

Millwright Regional Council of Ontario

Quality Control Council of Canada