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The International Union of Operating Engineers (IUOE) is a progressive, diversified trade union that primarily represents operating engineers—heavy equipment operators, mechanics, and surveyors in the construction industry—and stationary engineers, who work in operations and maintenance in building and industrial complexes. Founded in 1896, IUOE also represents nurses, other health industry workers, and public employees. The union is dedicated to advancing its members' economic interests, safety, and working conditions through collective bargaining, comprehensive training programs, and legislative advocacy across the United States and Canada.
The headquarters serves as the central administrative, strategic planning, and legislative advocacy hub for the union. It coordinates activities among its numerous local unions, provides resources and support, and represents members' interests at the national level.
The IUOE headquarters is a modern office building situated in downtown Washington D.C., designed for functionality and to effectively represent the union. While specific architectural highlights are not broadly publicized, it houses various departments crucial to the union's operations, including legal, political, organizing, and training.
The work culture at IUOE headquarters is professional, collaborative, and mission-driven, with a strong focus on labor advocacy, member support, and advancing the rights, safety, and skills of operating engineers and other represented workers.
Its location in the U.S. capital is crucial for the IUOE's ability to influence national labor policies, infrastructure investment, and safety regulations that directly impact its membership across North America.
The International Union of Operating Engineers primarily operates within the United States and Canada. However, it engages with the global labor movement by affiliating with international labor federations like Building and Wood Workers' International (BWI) and Public Services International (PSI). Through these affiliations, IUOE participates in global campaigns for workers' rights, occupational safety and health, and fair labor standards, sharing expertise and solidarity with sister unions worldwide.
1125 17th Street, N.W.
Washington
D.C.
USA
Address: 16200 International Lane, Crosby, TX 77532
Serves as a national and international hub for excellence in skills training and safety education for operating engineers, ensuring members are equipped with the latest techniques and certifications required in the construction, energy, and other industries.
Address: Suite 100, 4050 Canada Way, Burnaby, BC V5G 1G7
To advance the interests of Canadian operating engineers and other members, provide support and resources to Canadian locals, and engage with Canadian federal and provincial governments on labor legislation, training standards, and infrastructure projects.
Address: Multiple addresses across the United States and Canada
Local unions manage collective bargaining agreements, job dispatch, apprenticeship programs, member services, and local advocacy efforts, tailored to the specific needs and industries within their region.
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As of April 2025, International Union of Operating Engineers' leadership includes:
International Union of Operating Engineers has been backed by several prominent investors over the years, including:
The IUOE's top leadership, including General President James T. Callahan and General Secretary-Treasurer Brian Hickey, were re-elected at the 40th General Convention in April 2023, ensuring leadership continuity. No major new executive hires or departures from the General Executive Board have been publicly announced in the past 12-18 months outside of convention-related appointments or re-elections.
Discover the tools International Union of Operating Engineers uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
Email addresses for the International Union of Operating Engineers typically use the @iuoe.org domain. A common format for staff members is the first initial followed by the last name. General inquiries can often be directed to departmental email addresses like communications@iuoe.org.
[first_initial][last]@iuoe.org
Format
jdoe@iuoe.org
Example
70%
Success rate
iuoe.org • April 17, 2024
The IUOE actively participated in National Work Zone Awareness Week, stressing the critical importance of safety measures in highway construction zones and urging public vigilance to protect workers....more
iuoe.org • February 1, 2024
The International Union of Operating Engineers officially announced its endorsement of President Joe Biden and Vice President Kamala Harris for the 2024 U.S. Presidential election, citing their administration's support for labor unions and pro-worker policies....more
prnewswire.com • October 26, 2023
IUOE Local 150, in collaboration with Illinois state and local officials, commenced construction on a cutting-edge training center in Wilmington, IL. This facility is set to significantly enhance apprenticeship and journeyperson training for operating engineers in the region....more
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