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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

Executive Board Meeting
January 10 @ 8:00 am
General Membership Meeting – Madison
January 10 @ 10:00 am
Madison Retiree Meeting
January 13 @ 11:00 am
Martin Luther King Jr. Day
January 19 @ 12:00 am
Central Retiree Meeting
January 20 @ 9:00 am
Northeast Retiree Meeting
January 21 @ 9:00 am

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

Holiday Office Closings

POSTED: December 24, 2025

Due to our contractual obligation to OPEIU Local 9 and OPEIU Local 39 office personnel, Local 139 offices, Coloma Training Center and the Health Benefit Fund will be closed Christmas Eve, Christmas Day, the day after Christmas, New Year's Eve and New Year's Day.