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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

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. 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

General Membership Meeting - Appleton, April 11

POSTED: April 10, 2026

Join your fellow 139 Brothers and Sisters at the quarterly General Membership Meeting held at the Appleton Union Hall on April 11 from 10:00 a.m. to 12:00 p.m.

Holiday Office Hours - Friday, April 3, 2026

POSTED: April 2, 2026

Due to contractual obligations with OPEIU Local 9 and OPEIU Local 39 office personnel, Local 139 offices, and the Health Benefit Fund, all offices will close at 12:00 PM on Friday, April 3, in observance of Good Friday.

Building Wisconsin TV: The Need For Digital Infrastructure in Wisconsin

POSTED: March 28, 2026

President/Business Manager Terry McGowan and Building Wisconsin TV host Stuart Keith discuss how AI is shaping the next generation of heavy construction equipment and the training behind it.

Office Closings - Monday, March 16

POSTED: March 15, 2026

Due to inclement weather, the District A Pewaukee, District B Madison, District C Altoona, and District D Appleton offices, as well as the Coloma Training Center, will be closed on Monday, March 16.

Weather Closure - Training Center, Mon, Mar 16

POSTED: March 13, 2026

The Coloma Training Center will be closed Monday, March 16 due to weather. Classes will resume Tuesday, March 17 (7:30 AM – 5:00 PM) for the rest of the week.

2026 Allocations

POSTED: March 12, 2026

Your voice has been heard! Check out the 2026 Allocations approved by Local 139 Membership.

View all News & Notes