Building a
Stronger Union

Operating Engineers Local 66 represents heavy equipment operators and mechanics in the construction industry. Operating Engineers is the 10th largest union in the AFL-CIO. We are dedicated to serving and protecting the needs and interests of our members and their families through the collective bargaining process, legislative action and extensive training through our Apprenticeship Program.

It's Your

Better Career

We are more than training, we build careers. Learn the trade, stay current with technology, and hone in on your skills to be the best Operating Engineer.

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It's Your

Secure Future

As a member of Operating Engineers Local 66 you will earn a living wage, have an annuity, a pension, and health care coverage to help build your life.

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Raising the Standard

IUOE Local 66 members bring skill, integrity and professional work ethic to every job. Members have received specialty training needed to meet the complex challenges of each project. We spend $1.5 million in apprentice and journeyworker training each year.

Higher Wages


Union wages are 19% higher than non-union counterparts.

Health Insurance


75% of union workers have jobs that provide health insurance.


For Life

A retiree and their spouse will collect their pension for life!

Take the First Step

Explore Your Path

I'm interested in training and membership.
I'm a high school student or recent graduate.
I'm a contractor interested in becoming a signatory.

A Powerful Voice

We must elect Labor friendly politicians.  Labor cannot match business in campaign contributions so it takes large numbers of voters for our voice to be heard! It is imperative that you are REGISTERED TO VOTE. Your future depends on it.

Take Action

News & Announcements


PA Unemployment Tips

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2021 Dinner Dance Booklet

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Milestone Members

Recognizing members with more than 25 years of operating engineer experience.

Last Updated: 7/30/2022

© 2022 International Union of Operating Engineers Local 66