Become a Member

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

Join Local 66 Close


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

Work with Us Close

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 jurisdictional 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.


6/1/2017 - District #1

Retirees' Club Meeting

6/4/2017 - District #4

Family Picnic

6/13/2017 - District #2

Retirees' Club Meeting

7/6/2017 - District #1

Retirees' Club Meeting


Mobile Medical will be at the Thursday, June 8, 2017, District #1 meeting at 7 pm for those who need to update their drug card for the upcoming work season. It is also Food Night at the meeting. Come join your union brothers and sisters. See you there!

Waldameer Picnic Information and Ticket Form

Certification Alert

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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.