7. Operating Engineers Union
The International Operating Engineers Union (IUOE) is a union based in the United States. It mainly represents construction workers around the country. They usually work with heavy equipment. Plus, they have multiple contacts to provide services to buildings and industrial complexes in the United States and Canada.
It was established in 1896 and currently represents approximately 400,000 workers in over 150 local unions. IUOE’s predecessor was called the National Union of Steam Engineers, based in Chicago in 1896. In 2020, IUOE spent over $2,5 million in lobbying; 82 % went to Democrats and just 18% to Republicans. Its managing board has been labeled as Democrat for the past few years.
They have guaranteed money to hundreds of Democrat candidates.
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