Challenge Manufacturing Holdings Inc.

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Case Number: 07-CA-396619

Date Filed: 10/07/2026

Status: Open

Location: Walker, MI

Region Assigned: Region 07, Detroit, Michigan

Docket Activity

Date	Document	Issued/Filed By
10/07/2026	Signed Charge Against Employer*	Charging Party

The Docket Activity list does not reflect all actions in this case.

* This document may require redactions before it can be viewed. To obtain a copy, please file a request through our FOIA Branch.

Participant	Address	Phone
Charging Party Additional Service International Union, United Automobile, Aerospace and Agricultural Implement Workers of America (UAW), AFL-CIO	Detroit, MI 48214

Charged Party / Respondent Employer Challenge Manufacturing Holdings Inc.	Walker, MI 49544

Charging Party Union International Union, United Automobile, Aerospace and Agricultural Implement Workers of America, (UAW)	Detroit, MI 48214

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