![International Association of Heat and Frost Insulators and Allied Workers (IAHFIAW)](https://buildingtrades.ca/wp-content/uploads/2021/10/Salamander_Logo_Stacked_RGB-602x1024.png)
International Association of Heat and Frost Insulators and Allied Workers (IAHFIAW)
The International Association of Heat and Frost Insulators and Allied Workers has more than 100 locals in
![International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers](https://buildingtrades.ca/wp-content/uploads/2021/08/ironworkers.png)
International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers
This international association, usually referred to simply as Ironworkers, was founded in 1896 and represents more than
![Operative Plasterers’ and Cement Masons’ International Association of the United States And Canada (OPCMIA)](https://buildingtrades.ca/wp-content/uploads/2021/09/OPCMIA_Logo_2021_rtna.png)
Operative Plasterers’ and Cement Masons’ International Association of the United States And Canada (OPCMIA)
OPCMIA mainly represents workers working in two industry sectors: plaster and cement. On the other hand, they
![International Brotherhood of Electrical Workers (IBEW)](https://buildingtrades.ca/wp-content/uploads/2021/08/electrical-workers.png)
International Brotherhood of Electrical Workers (IBEW)
The IBEW has been active for over 100 years and represents more than 675,000 electrical workers in
![International Brotherhood of Teamsters](https://buildingtrades.ca/wp-content/uploads/2021/08/untitled.png)
International Brotherhood of Teamsters
With more than 1.4 million members in North America, the International Brotherhood of Teamsters is the continent’s
![International Union of Bricklayers and Allied Craftworkers (BAC)](https://buildingtrades.ca/wp-content/uploads/2021/08/bricklayers-craftworkers.png)
International Union of Bricklayers and Allied Craftworkers (BAC)
The BAC has more than 40 locals in the U.S. and Canada. Members of BAC include tile
![International Union of Elevator Constructors (IUEC)](https://buildingtrades.ca/wp-content/uploads/2021/08/elevator-constructors.png)
International Union of Elevator Constructors (IUEC)
The IUEC’s 25,000 North American members assemble, install, maintain, repair and replace elevators, escalators, dumbwaiters, moving walkways
![International Union of Operating Engineers (IUOE)](https://buildingtrades.ca/wp-content/uploads/2021/08/operating-engineers.png)
International Union of Operating Engineers (IUOE)
The IUOE is the 12th largest union in the AFL-CIO and is recognized as a leader in
![International Union of Painters and Allied Trades (IUPAT)](https://buildingtrades.ca/wp-content/uploads/2021/08/painters-allied-trades.png)
International Union of Painters and Allied Trades (IUPAT)
Recognized as being one of the most active unions in the labour movement, IUPAT represents more than
![Laborers’ International Union of North America (LIUNA)](https://buildingtrades.ca/wp-content/uploads/2021/09/LIUNA_logo.svg-1024x280.png)
Laborers’ International Union of North America (LIUNA)
With more than half a million members in North America, of which 75,000 are in Canada, LIUNA