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International Union of Operating Engineers Local 139

Developer looks to build data center campus in Dane County
Nov 18, 2025

Wisconsin attracts plans for another data center

Virginia-based QTS Data Centers announced partnership with a Wisconsin labor organization as it seeks approval for a $15 billion data center in Dane County.

$700 million pipeline project between Wisconsin and Illinois goes online
Nov 5, 2025

$700 million pipeline project between Wisconsin and Illinois goes online

A recently completed $700 million natural gas pipeline improvement project will flow between Wisconsin and Illinois, which an energy company said will meet rising demand in the state.

Graduating class: Miron celebrates 24 young adults at career signing day
Jun 23, 2025

Graduating class: Miron celebrates 24 young adults at career signing day

Miron Construction held a career signing day celebration for 24 young adults who signed onto youth apprenticeships, started registered apprenticeships or moved on to full-time work.

Tribe and environmental groups urge Wisconsin officials to rule against relocating pipeline
May 13, 2025

UPDATED: Bad River Band opposes Enbridge Line 5 pipeline permit

The Bad River Band were prepared to testify against permits for a 41-mile extension to Enbridge's Line 5.

Operating engineers’ strike ends after union and contractors reach deal
Jun 20, 2024

Operating engineers’ strike ends after union and contractors reach deal

The 19-day strike came to an end after the union and employers came to an agreement for a wage increase.

Unions, contractors look to next meeting date as Wisconsin strike continues
Jun 6, 2024

Unions, contractors look to next meeting date as Wisconsin strike continues

The strike started after union members voted down an offer from area construction employers, and then their contract expired.

Dec 7, 2022

PSC votes on petition for third-party financing for solar energy

A Stevens Point family can install third-party financed solar systems without being regulated as a public utility, the latest Public Service Commission ruling decided.

Nov 22, 2022

Labor unions urge PSC to reject petition for third-party financing for renewables

Two prominent Wisconsin construction labor unions submitted comments opposed to third-party financing and ownership of renewable energy resources in the state ahead of a Public Service Commission meeting. 

Enbridge seeks federal jurisdiction in oil pipeline dispute
Jan 19, 2022

Enbridge picks Michels affiliate for reroute of Line 5 pipeline

Enbridge has signed a letter of intent to pick a division of Michels Corp. to oversee a 40-mile relocation of the company's Line 5 oil-and-gas pipeline in northern Wisconsin.

WisDOT weighs options to rebuild, widen I-94 stretch west of downtown Milwaukee
Dec 8, 2021

WisDOT weighs options to rebuild, widen I-94 stretch west of downtown Milwaukee

A $1.28 billion plan to widen a stretch of Interstate 94 west of downtown Milwaukee to eight lanes would cost $74 million more than simply rebuilding the current six lanes, according to the Wisconsin Department of Transportation’s latest analysis of the project. 

Jun 18, 2021

Appeals court finds Findorff didn’t retaliate against operator who alleged sex discrimination

An appeals court has found that officials at J.H. Findorff hadn't in fact been retaliating against an equipment operator when it refused to hire her after she had complained about sex discrimination.

Local 139 pickets Waukesha pipeline work in dispute with contractor SJ Louis
May 12, 2021

In settlement with Local 139, SJ Louis reinstates worker it accused of being a union ‘mole’

The International Union of Operating Engineers Local 139 is packing up its picket signs after the contractor SJ Louis agreed to reinstate an employee it had fired after accusing him of being a "mole" for the union.

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