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.



We have four agreements up for negotiations this spring.  We will hold proposal meetings to hear the members’ proposals for successor agreements.  We will have ratification meetings where the members will vote on the contractor’s proposal, wages, benefits and union dues. 

Member Proposal Meetings:

H&B/Clark 6pm, Rental 6:30pm Tuesday February 20th  at the Union Hall.

Steel and Caisson 6pm Thursday February 22nd – Williams Yard

Ratification meetings will be held every two weeks until the membership votes to approve the contractor’s proposal for a successor agreement.  The schedule may change as needed so check with the hall and the website/App to verify the time and place.  The schedule will be as follows:  

Clark/H&B: 6pm Tuesday March 19, April 2nd, 16th, 30th and so on at the Union Hall.  

Rental: Wednesday 6pm March 13th, 27th, April 10th, 24th and so on at the Union Hall.

Steel: Thursday 6pm March 28th, April 11th, 25th and so on at Williams yard or at a Manassas Hotel.

Caisson: Either after the Steel meeting or after the H&B meetings, depending on interest and availability of members.

RETIREE FIRST:   For all of our members needing contact numbers for Retiree First with is one with a local area code 301-591-3763 (TTY 711) or a toll free number  833-428-2153 (TTY 711).

APPRENTICE ENROLLMENT:   Dates for the Apprenticeship Enrollment will be March 14 & 15 in which you can go to the JATC Training Center at 2114 Fiddler Lane, Accokeek, MD 20607 or you can click the link to register online IUOE Local 77 (

TRAINING:  For any member that would like to upgrade their skills or get trained on other equipment or learn another piece of equipment, you can always call the JATC @301-283-3476 M-Sat. or if you register on the Internationals website to learn about classes they may have available for other various equipment training. 

UNION MEETING:   We are having our regular Union Meetings @ 6:30pm at the Union Hall the first Friday of every month unless notified for all members in Good Standings.  

CONCERNING DC OPERATORS LIC.:  Anyone needing help with their renewals for their DC Lic please call the hall for any help.

PAY DUES:  you can now pay your Union Dues online or thru our app IUOE 77 that you can find on your Iphone or Android app store!  So look at the top of the HOME PAGE and click the link. You can only pay dues 12 months at a time.


As always call the hall and monitor the Local's website for updates or questions. 

We look forward to seeing you and stay safe.

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Pay Dues

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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 over 1650 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.