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The Sheet Metal and Air Conditioning Contractors' National Association (SMACNA; pronounced 'Smack'-'Nah') is an international trade association with more than 4,500 contributing contractor members [1] in 103 chapters [2] throughout the United States, Canada, Australia and Brazil.
As national contractors gained prominence by the mid-20th century, that relationship changed with the times: With the rise of the Sheet Metal and Air Conditioning Contractors National Association – or SMACNA – in the 1940s, the national contractors group and the SMWIA agreed that "proper labor relations" would insure prosperity for all.
This category contains trade unions representing metalworkers in the sheet metal working trades or crafts, including coppersmiths, tinsmiths and braziers. Pages in category "Sheet metal workers' trade unions"
The Sheet Metal Workers' International Association (SMWIA) was a trade union of skilled metal workers who perform architectural sheet metal work, fabricate and install heating and air conditioning work, shipbuilding, appliance construction, heater and boiler construction, precision and specialty parts manufacture, and a variety of other jobs involving sheet metal.
The International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers is a union in the United States and Canada, which represents, trains and protects [2] primarily construction workers, as well as shipbuilding and metal fabrication employees.
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This page was last edited on 22 October 2019, at 23:41 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
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