International Union of Operating Engineers (IUOE)
- http://www.iuoe.org/
- A diversified trade union Represents 400,000 workers in two sections 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. IUOE also represents a number of public service employees.
