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The NLRB Public Website and E-Filing applications, including E-Filing, My Account Portal, and Online Charge and Petition, were unavailable for a period of more than 2 hours on Friday, May 22, 2026.  

Because of this outage, and in accordance with the Agency’s E-File Terms and Conditions, the due date for E-Filed documents due to be filed on Friday, May 22, 2026, is extended to Tuesday, May 26, 2026, at 11:59 p.m. in the time zone of the office where the document is due. We apologize for any inconvenience.

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Case

GSI Group LLC

 
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Case Number: 14-RC-297867

Date Filed: 06/17/2022

Status: Closed

No. of Employees: 200

Location: Assumption, IL

Region Assigned: Region 14, Saint Louis, Missouri

Unit Description: Included: All employees in the position of Production Associate and Material Handler. Excluded: All other employees employed at the GSI facility in Assumtion, Illinois.


Docket Activity

Date sort ascending Document Issued/Filed By
07/01/2022 Letter Approving Withdrawal Request* NLRB - GC
06/17/2022 Signed RC Petition* Petitioner

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.

Related Documents

Related Documents data is not available.

Allegations

Allegations data is not available.

Participants

Participant Address Phone
Employer
Legal Representative
Boron, Justin
Freeman Mathis & Gary, LLP
 1600 Market Street
Suite 1210
Philadelphia, PA
19103
 (215)789-4919
 
Petitioner
Additional Service
Masterson, Rodney
Laborers' International Union of North America
 5100 Ed Smith Way, Suite B
Marion, IL
62959
 (618)998-1787
 
Employer
Employer
GSI Group LLC
 Assumption, IL
62510
 (217)226-4421
 
Petitioner
Union
Laborers International Union of North America, Local 477
 Springfield, IL
62702
 (217)522-4611
 

Related Cases

Related Cases data is not available.