What Does Operating Engineers Do?

Total employees211
HeadquartersWashington
FoundedN/A

The International Union of Operating Engineers (IUOE) is a progressive, diversified trade union that primarily represents operating engineers who work as heavy equipment operators, mechanics, and surveyors in the construction, pipeline, and mining industries, and stationary engineers who work in operations and maintenance in building and industrial complexes. IUOE also represents nurses and other health industry workers, public employees in a wide variety of occupations, and a number of job classifications in the petrochemical industry. Founded in 1896, the IUOE is dedicated to advancing the economic interests, safety, and well-being of its members through collective bargaining, training, and advocacy.

Where Is Operating Engineers's Headquarters?

HQ Function

Serves as the primary administrative, legislative, policy-making, and organizational hub for the union, coordinating activities and support for local unions across the United States and Canada.

Notable Features:

Modern office facility in downtown Washington D.C., strategically positioned for engagement with federal government agencies and legislative bodies. The building supports the union's national and international operations.

Work Culture:

A professional and mission-driven environment focused on labor advocacy, member representation, skill development, and workplace safety. The culture emphasizes solidarity and dedication to the rights and welfare of operating engineers and other represented workers.

HQ Significance:

The headquarters is the nerve center for the IUOE, directing national agreements, shaping training standards through programs like the National Training Fund, spearheading political and legislative action, and providing leadership for its hundreds of thousands of members.

Values Reflected in HQ: The headquarters' operations and location reflect the IUOE's core values of advocacy, strength in unity, commitment to high-quality training and safety standards, and effective representation of its members' interests.

Location:

The International Union of Operating Engineers primarily operates in the United States and Canada, with a strong network of local unions in both countries. Its global functions include advocating for fair labor standards, promoting high-quality apprenticeship and training programs recognized internationally, ensuring workplace safety, and engaging in international solidarity efforts with other labor organizations to support workers' rights globally, particularly within the building and construction trades.

Street Address:

1125 17th Street, N.W.

City:

Washington

State/Province:

D.C.

Country:

USA

Where Else Does Operating Engineers Operate Around the World?

Crosby, Texas, USA

Address: 12930 Crosby Freeway, Crosby, TX 77532

Serves as a national and international center for excellence in training, providing hands-on and classroom instruction to members from across North America, ensuring a highly skilled workforce.

Hamilton, Ontario, Canada

Address: Suite 105, 45 Frid Street, Hamilton, ON L8P 4M3

Facilitates growth, advocacy, and member support for all Canadian IUOE locals, ensuring representation at regional and national levels within Canada.

Numerous Local Unions, USA & Canada

Address: Varies by local union charter

Provide direct representation, job opportunities, and community for members at the local level, administering collective bargaining agreements and ensuring fair labor practices in their respective regions.

Buying Intent Signals for Operating Engineers

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading Operating Engineers? Meet the Executive Team

As of April 2025, Operating Engineers' leadership includes:

James T. Callahan - General President
William E. Lynn - General Secretary-Treasurer
Krystal B. Ramseur - General Counsel

Who's Investing in Operating Engineers?

Operating Engineers has been backed by several prominent investors over the years, including:

Not Applicable (Member-Funded Organization). The IUOE is funded through membership dues and related contributions, not by external investors.

What Leadership Changes Has Operating Engineers Seen Recently?

Hire1
Exits0

The IUOE's top leadership, including the General President and General Secretary-Treasurer, has shown stability. Key appointments, such as the General Counsel, occur as needed. Other changes primarily involve General Vice Presidents, often coinciding with retirements or elections at General Conventions.

New Appointments:

Krystal B. Ramseur, Krystal B. Ramseur appointed to the role of General Counsel, responsible for overseeing all legal matters for the International Union.

What Technology (Tech Stack) Is Used byOperating Engineers?

Discover the tools Operating Engineers uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Operating Engineers Email Formats and Examples

The International Union of Operating Engineers (IUOE) likely uses standard professional email formats for its staff at the international headquarters. Common formats include combining the first initial and last name, or first name and last name separated by a dot.

International Union of Operating Engineers Email format for example [first_initial][last]@iuoe.org

Format

jcallahan@iuoe.org (example for James Callahan)

Example

80%

Success rate

What's the Latest News About Operating Engineers?

IUOE News / iuoe.orgMay 21, 2024

IUOE General President Callahan Testifies Before Congress on Project Labor Agreements

IUOE General President James T. Callahan testified before the U.S. House of Representatives Committee on Education and the Workforce, advocating for the benefits of Project Labor Agreements (PLAs) in ensuring fair wages, worker protections, and efficient project delivery on federally funded construction projects....more

NABTU News / nabtu.org (featuring IUOE)April 10, 2024

Building Trades, Including IUOE, Applaud Final Rule Modernizing Davis-Bacon Act

The IUOE, alongside North America's Building Trades Unions (NABTU), praised the Biden-Harris administration for finalizing a rule to modernize the Davis-Bacon Act and Related Acts. This update aims to strengthen prevailing wage protections for construction workers, ensuring fair compensation and a level playing field for contractors....more

IUOE International Training & Education CenterOngoing

IUOE Invests in Workforce Development Through Advanced Training Programs

The IUOE continues its commitment to member education and skill enhancement through its International Training & Education Center (ITEC) and numerous local training sites. These programs offer state-of-the-art training in heavy equipment operation, crane certification, pipeline construction, and emerging technologies, preparing members for high-demand jobs in the evolving industry....more

Highperformr's free tools for company research

Explore Employees by Region or Country

See where a company’s workforce is located, by country or region.

View Funding Details

View past and recent funding rounds with amounts and investors.

Understand Revenue Insights

Understand company revenue estimates and financial scale.

Track Active Job Openings

Track active roles and hiring trends to spot growth signals.

Review Product and Offerings

Discover what a company offers—products, platforms, and solutions.

Get SIC or NAICS Codes

Get the company’s official SIC and NAICS classifications.

Analyze Website Traffic Trends

Analyze visitor volume, engagement, and top traffic sources.

Discover Social Profiles and Engagement

Explore LinkedIn, Twitter, and other active social profiles.

Identify Top Competitors

Identify top competitors based on similar business traits.

Research and Discover Companies with Highperformr — Smarter, Faster

Explore companies in depth — from the tech they use to recent funding, hiring trends, and buyer signals — all in one powerful view.

Highperformr AI helps you surface the right accounts and enrich your CRM with verified company and contact insights, so your teams can prioritize and engage faster.

  • Track intent signals to find buyers who are actively in-market
  • Enrich contacts and companies instantly, no need to switch tools
  • Automate workflows to stay ahead of every change
  • Connect your CRM & tools for seamless data sync and activation

Thousands of companies, including Operating Engineers, are just a search away.