Challenge Manufacturing Holdings Inc.

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Case Number: 07-CA-395731

Date Filed: 09/18/2026

Status: Closed

Location: Walker, MI

Region Assigned: Region 07, Detroit, Michigan

Docket Activity

Date	Document	Issued/Filed By
10/16/2026	Letter Approving Withdrawal Request*	NLRB - GC

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.

8(a)(5) Refusal to Bargain/Bad Faith Bargaining (incl'g surface bargaining/direct dealing)

Participant	Address	Phone
Charging Party Legal Representative Jacob, Emily	8000 East Jefferson Avenue Detroit, MI 48214-3963	(313)926-5211

Charged Party / Respondent Legal Representative Kok, Jonathan Warner Norcross and Judd LLP	150 Ottawa Avenue Suite 1500 Grand Rapids, MI 49503	(616)752-2487

Charging Party Union INTERNATIONAL UNION UNITED AUTOMOBILE, AEROSPACE AND AGRICULTURAL IMPLEMENT WORKERS OF AMERICA (UAW), AFL-CIO	Detroit, MI 48214

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

Charged Party / Respondent Employer	Walker, MI 49544

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