Become a Member

Learn about the many benefits of joining a union and how to get started.

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Are you a Contractor looking for a well-trained workforce? Learn how to become a union signatory.

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For over 100 years, the International Union of Operating Engineers, Local 66 has provided contractors with competent and qualified Operating Engineers and Operating Engineer Apprentices. Local No. 66 represents over 7,000 members in our jursidictional area, consisting of 33 counties in Western Pennsylvania and 3 counties in Ohio. These 7,000 brothers and sisters work in the field for contractors, private businesses and municipalities.


October 24, 2014 - District #3

Christmas Party

October 25, 2014 - District #2

Dinner Dance

November 15, 2014 - District #1

Dinner Dance


District #1 Dinner Dance Information

New Scholarships Added

Volunteers needed for the upcoming Phone Banks at the Main Office.  Time is from 6-8pm.  Food and beverages will be provided.  Please contact Chris Petrone at 412-968-9120 x.132 to get involved.  Dates: October 13, 14, 15, 21, 22, 23 and 28.  Thank you!


Universal Enrollment Services - TWIC Card

IUOE Re-affiliates with North America's Building Trades Union


September 30, 2014

Congratulations to Our Members Who Have Achieved Anniversary Milestones Serving in Local 66

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We are a sponsoring union of We Built This State. Please follow them for right-to-work information and anti-union legislation.