International Union of Operating Engineers

Welcome to IUOE Local 77

Local 77 is a labor union that represents skilled equipment operators in the construction industry. Members of local 77 run every type of construction equipment that is in use in the construction industry today.



Due to the Corona virus, we limiting access to the local union hall to staff only.  If you have a need for services in the hall, give us a call.

UNION MEETING:  JULY'S UNION MEETING HAS BEEN CANCELLED.  We will resume our regular Union Meeting Aug. 7 @ 6:30 pm here at the Union Hall in the back parking lot (rain or shine). 

We are going to implement social distancing at these meetings.  Our plan is to have these meetings in the parking lot at the union hall.  We will ask the attending members to stay by, or in their cars.

Apprenticeship Enrollment: Those that are interested in enrolling into the Apprenticeship program will need to call to the school 301-283-3476 for an appointment before Aug 20 & 21They will be taking on everyone by appointment only.

We look forward to seeing you and stay safe.

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Join our Apprenticeship Program

For those considering applying to IUOE Local 77 to be an apprentice, the following information will be of value. Members of IUOE Local 77 cover a variety of jobs classifications in industries such as highway and building construction, mining, and utility work such as water and sewer excavation.

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Benefits Office

We hope you will find valuable information on these pages and we encourage you to use the “Contact Us” to send us your feedback. If there is info. that you would like to see included in the future let us know!

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IUOE Local 77 is committed to putting the most highly trained workforce into the field to work for our contractors. View our huge database full of local and regional contractors. If you need assistance, please call us today!

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Members Only

Please log in to access the Members Only sections. If you do not have a Card Number please contact the IUOE Local 77 Union Office and they will provide you with your temporary password.

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Learn more about The IUOE

The Local was founded in 1901 and in those days covered most of the mid-Atlantic area. Local 77 now has 1500 members and covers Washington DC, eight counties in Northern Virginia and four counties in Maryland surrounding the District of Columbia

IUOE Local 77 Merchandise

Below is official IUOE Local 77 merchandise. These items can be purchased at the Union Hall. For any question regarding IUOE Local 77 gear call (301) 899-6900 or stop by the Union Hall.