The International Brotherhood of Steam Shovel and Dredgemen was a labor union representing workers involved in excavations in the United States, Canada and Panama. The union was founded in 1896, at a conference in

Chicago (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = Country , subdivision_name ...

. On January 13, 1915, it absorbed the Associated Union of Steam Shovelmen, and the newly-merged union was chartered by the American Federation of Labor (AFL). However, the

International Union of Steam and Operating Engineers The International Union of Operating Engineers (IUOE) is a trade union within the United States-based AFL–CIO representing primarily construction workers who work as heavy equipment operators, mechanics, surveyors, and stationary engineers (also ...

believed that it should have jurisdiction over the trade, the AFL ordered the two unions to merge. The Steam Shovel and Dredgemen refused to do so, and in 1919 it was suspended by the AFL. It continued on an independent basis, and in 1925, it had 11,500 members.{{cite web , title=Inactive Organizations , url=https://umdlabor.weebly.com/uploads/2/9/3/9/29397087/inactive_organizations.pdf , website=UMD Labor Collections , publisher=University of Maryland , access-date=18 April 2022 On April 1, 1927, the union finally merged into the Steam and Operating Engineers.

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Building and construction trade unions Trade unions established in 1896 Trade unions disestablished in 1927