IUOE Local 150 is based in Countryside, Illinois, and is a part of the much larger International Union of Operating Engineers (IUOE) .
Local 150 reported having 23,826 members.
144 unfair labor practice charges have been filed against Local 150 in the last 10 years.*
- Local 150 members must follow the rules outlined in the union’s bylaws as well as the international union’s constitution.
Workers involved in work stoppages
IUOE Local 150 has a long history of going on strike. The local union has been involved in 34 work stoppages since 1990 involving more than 15,000 workers.*
*Source: Bloomberg Law
Finances
IUOE Local 150 files an LM-2 report detailing its finances. In 2024, the local union collected more than $76 million, with 76% of its funds coming from the dues, agency fees, fines, assessments, and work permits it charges its members.
The chart below breaks down how Local 150 spent $68,732,840, including:
$5,160,841 in “Per Capita Tax” passed onto the international union
$13,363,423 in benefits for union officers and employees
$13,364,497 in general overhead and union administration
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