Home

4,457

Members

1,021

Contractors

Local 139 Apprenticeships

Join the ranks of the most well-trained and well-paid apprentices in Wisconsin. The Local 139 apprenticeship program accommodates heavy equipment operators with little to no experience in the field. Learn More

Calendar of Events

Keep yourself up to date on the happenings of Local 139. We hope to see you soon!

Full List of IUOE 139 Events

Benefits of Organizing

Organizing is extremely important to the membership of Local 139. Our organization efforts increase our market share, which means increased bargaining strength. The benefits of organizing are undeniable.
Economic Political Historic
Local 139 works tirelessly to provide a voice for its members, and we value your contribution. We’re stronger when we work as a unified group than we are as individuals.

IUOE 139 News & Notes

WisDOT Bid Letting - September 9, 2025

POSTED: September 10, 2025

Wisconsin Department of Transportation (WisDOT) Highway Construction Bid Lettings occur on the second Tuesday of each month and are available for any additional letting.

Special Called Meeting - Installation of Officers, Sept. 3

POSTED: August 29, 2025

Join us to commemorate the event as IUOE General President John L. Downey swears in Local 139’s officers for a three-year term.

2025 Labor Day Parades

POSTED: August 25, 2025

13th Annual Golf Outing Photos

POSTED: July 23, 2025

Check out the photos of the 13th Annual Local 139 Golf Outing benefiting Hogs for Heroes on June 14, 2025! A huge thank you to all the Local 139 staff, volunteers, sponsors, and attendees who made this event such a success.

Closed for Independence Day, July 4

POSTED: July 4, 2025

Due to our contractual obligation to OPEIU Local 9 office personnel, Local 139 offices, and the Health Benefit Fund, will be closed on Friday, July 4, in observance of Independence Day.

2025-2026 Pipeline Training Schedule

POSTED: June 18, 2025

The Fall 2025 and Spring 2026 IUOE/PLCA National Pipeline Training Fund enrollment is open. Check out the schedules.

View all News & Notes