Skip to main content

The NLRB public website is scheduled to undergo routine maintenance from Friday, December 19, 2025, at 11:00 p.m. ET (8:00 p.m. PT) until Monday, December 22, 2025, at 6:00 a.m. ET. From Friday night at 11:00 p.m. ET through Saturday morning at about 9:00 a.m. ET, E-Filing will not be available. From Saturday through Monday morning, the E-Filing applications (E-Filing, Online Charge and Petition, and My Account Portal) may be periodically unavailable. We apologize for any inconvenience.

Breadcrumb

  1. Home

Case Search Results

Case

Advanced Drainage Systems Inc.

 
E-File Follow
Sign into MyNLRB to follow cases and receive updates. What is this?

Case Number: 19-CA-323017

Date Filed: 08/01/2023

Status: Closed

Location: Olympia, WA

Region Assigned: Region 19, Seattle, Washington



Docket Activity


Date sort ascending Document Issued/Filed By
08/07/2023 Letter Approving Withdrawal Request* NLRB - GC
08/01/2023 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.

Related Documents


Related Documents data is not available.

Allegations


  • 8(a)(5) Repudiation/Modification of Contract [Sec 8(d)/Unilateral Changes]
  • 8(a)(3) Shutdown or Relocate/ Subcontract Unit Work
  • 8(a)(3) Changes in Terms and Conditions of Employment

Participants


Participant Address Phone
Charged Party / Respondent
Employer
Advanced Drainage Systems Inc.
Olympia, WA
98512
 
Charging Party
Union
Teamsters Union Local 252
Centralia, WA
98531
 

Related Cases


Related Cases data is not available.