International Association of Machinists and Aerospace Workers, District Lodge No. 112 and Local Lodge No. W77 (Koppers, Inc.)

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Case Number: 10-CB-385419

Date Filed: 04/22/2026

Status: Open

Location: Florence, SC

Region Assigned: Region 10, Atlanta, Georgia

Docket Activity

Date	Document	Issued/Filed By
04/21/2026	Signed Charge Against Union*	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
Involved Party Legal Representative Givand, Diana Dinsmore & Shohl LLP	801 Pennsylvania Avenue, NW Suite 610 Washington, DC 20004	(202)372-9137

Charged Party / Respondent Union International Association of Machinists and Aerospace Workers, District Lodge No. 112 and Local Lodge No. W77	Savannah, GA 31408

Involved Party Employer Koppers Inc.	Florence, SC 29506

Charging Party Individual

Charged Party / Respondent Additional Service International Association of Machinists and Aerospace Workers, AFL-CIO	Arlington, TX 76011

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