What are the opening hours?

Monday 7am - 3pm Tuesday 7am - 3pm Wednesday 7am - 3pm Thursday 7am - 3pm Friday 7am - 3pm

IUOE Local 420

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Oak Creek, WI
IUOE Local 420

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Green Bay Office

1250 Radisson Street
PO Box 8323
Green Bay, WI 54308
Phone: (920) 437-2750 The IUOE has nearly 400,000 members throughout the U.S. and Canada.

Local 420 is a product of many years of hard work by Local 317 Business Manager Mark Maierle, Local 310 Business Manager Tom Rosenberg, Local 950 President Greg Beck, their predecessors and executive boards. Although we are newly formed we have a rich history of more than 200 combined years of representing our members, organizing workers, labor movement issues and political activism. Local 420 was formed in 2012 and has approximately 2200 members working at various employers throughout the state of Wisconsin. Local 420 is part of the International Union of Operating Engineers, an AFL-CIO affiliated Union. The General President of the IUOE is James Callahan.

11/01/2026

Election Day is just a few days away, are you ready to vote? Make a plan to get to the polls, bring your friends and family with you, and find your ballot and polling information here so you're ready to go!

Enter your address for personalized election information

10/30/2026

It's almost time to VOTE! Get ready to get to the polls on Tuesday, find labor endorsed candidates at the link below and remind your friends, family, coworkers, and anyone who will listen to VOTE on Tuesday, November 3rd!

Wisconsin's Fall Election will be Tuesday, November 3.View what's on your ballot at myvote.wi.gov. Get involved with our union member-to-union member Labor Votes education and mobilization program at wisaflcio.org/mobilize. Wisconsin AFL-CIO EndorsementsOfficeDistrict

10/23/2026

Election Day is less than two weeks away! Check to make sure you're registered, find your polling place, and catch up on important voter information here:

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10/21/2026

Please join us tonight for the October EAST District Meeting!

10/14/2026

Please join us tonight for the October MPS District Meeting!

10/13/2026

Please join us tonight for the October WEST District Meeting!

10/07/2026

We are proud to endorse Mitchell Berman for Congress!

Berman is a lifelong union member and champion of labor, and we believe that he is the right choice for Wisconsin's working families and the future of our state.

09/29/2026

ATTENTION MEMBERS: The IUOE Local 420 office will be closed tomorrow, September 30th.

09/23/2026

Union membership is on the rise!

Union membership in the U.S. grew by 411,000 last year, with collective bargaining states seeing triple the growth of right-to-work states.

09/20/2026

When workers choose to organize, they shouldn’t have to wait endlessly to secure their first contract.

The bipartisan Faster Labor Contracts Act has passed the House and would help keep first-contract negotiations moving forward.

Learn more about the legislation and what it could mean for workers.

The Faster Labor Contracts Act, pending in the Senate, could compel employers to bargain with their unionized workers.

Address

1140 W Anderson Court
Oak Creek, WI
53154

Opening Hours

Monday	7am - 3pm
Tuesday	7am - 3pm
Wednesday	7am - 3pm
Thursday	7am - 3pm
Friday	7am - 3pm

Telephone

+14145700420

Website

http://local420oe.com/

Alerts

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