Martin Marietta, Inc. dba HAPSW LLC

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Case Number: 21-CA-388788

Date Filed: 06/12/2026

Status: Closed

Location: San Diego, CA

Region Assigned: Region 21, Los Angeles, California

Docket Activity

Date	Document	Issued/Filed By
07/28/2026	Dismissal Letter	NLRB - GC
06/12/2026	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.

8(a)(5) Repudiation/Modification of Contract [Sec 8(d)/Unilateral Changes]
8(a)(5) Refusal to Bargain/Bad Faith Bargaining (incl'g surface bargaining/direct dealing)

Participant	Address	Phone
Charging Party Legal Representative Tzec, Hugo International Union of Operating Engineers, Local 12, AFL-CIO	150 Corson Street Pasadena, CA 91103	(626)432-7389

Charged Party / Respondent Legal Representative Kuenstler, John Barnes & Thornburg	2029 Century Blvd. East, Ste 300 Los Angeles, CA 90067	(310)284-3880

Charged Party / Respondent Legal Representative Witczak, Michael Barnes & Thornburg, LLP	2029 Century Park East, Suite 300 Los Angeles, CA 90067	(310)284-3764

Charging Party Union International Union of Operating Engineers, Local 12, AFL-CIO	Pasadena, CA 91103-3839

Charged Party / Respondent Employer Martin Marietta, Inc. dba HAPSW LLC	San Diego, CA 92123

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