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.


10/6/2016 - Retirees' Club Meeting

District #1

10/8/2016 - Dinner Dance

District #3

10/11/2016 - Retirees' Club Meeting

District #2

10/28/2016 - Christmas Party

District #3


Phone Banks will be held October 11th, 13th, 17th,19th, 25th, 27th, 31st and November 2nd at the Main Office at 111 Zeta Dr. Pittsburgh, PA 15238 from 5:30 PM – 8 PM. Food and beverages will be provided. Each member that volunteers will also be given a Local 66 PAC Jacket for their participation. Please call the Legislative Director, Chris Petrone, at 412-968-9120 ext. 132 or email him at and let him know if you plan on attending. Please come out and support the Local!


Paying your dues online is now working. Click the Pay Dues Online at the top of the screen. You will need to answer a couple questions to validate your account and pay your dues. Any questions, please feel free to call the office at 412-968-9120 x.122 or x.120. Sorry for the inconvenience and thank you for your patience.

Gateway Clipper

Snap Shop Photo Booth @ IUOE 66

Jr. Operators Page

CLUW Meeting & Application

CAWP Excavator App for Mobile Android and Apple Devices

Groundbreaking Women in the IUOE

Per Capita Increase - Effective July 1, 2015

Universal Enrollment Services - TWIC Card


August 31, 2016

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


Certification Alert

Future Road Builders

Download our App:

Be Proactive

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