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Opta Minerals, Inc.

Case Number:   25-CA-258558
Date Filed:   03/30/2020
Status:  Closed
Location:  Portage, IN
Region Assigned:  Region 25, Indianapolis, Indiana
Reason Closed:  Withdrawal Non-adjusted

Docket Activity

Date sort ascending Document Issued/Filed By
04/08/2020 Letter Approving Withdrawal Request* NLRB - GC
03/31/2020 Initial Letter to Charging Party* NLRB - GC
03/31/2020 Initial Letter to Charged Party* NLRB - GC
03/30/2020 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.

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  • 8(a)(5) Refusal to Furnish Information


Participant Address Phone
Charging Party
Legal Representative
Kiser, Charles
International Union of Operating Engineers, Local 150
6140 Joliet Road
Countryside, IL
Charging Party
Internation Union of Operating Engineers, Local Union No. 150
Countryside, IL
Charged Party / Respondent
Opta Minerals
Waterdown, ON
L0R 2H0

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