IUOE Local 400
International Union of Operating Engineers
Contact IUOE Local 4002737 AIRPORT ROAD
HELENA, MT 59604
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About IUOE Local 400Founded in 1896, the International Union of Operating Engineers (IUOE) represents Operating Engineers, who work as heavy equipment operators, mechanics, and surveyors in the construction industry, and Stationary Engineers, who work in operations and maintenance in building and industrial complexes, and in the service industries. The IUOE also represents nurses and other health industry workers as well as significant numbers of public employees engaged in a wide variety of occupations.
Local Unions in HELENA, MTAPWU Local 649, IBEW Local 206, UBC Local 153, BMWE Local 158, AFSCME Local 9, LIUNA Local 254, IW Local 841, IBEW Local 233, AFM Local 642, IAM Local 231, NALC Local 220, SMWIA Local 103