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The NLRB reopened from shutdown status on November 13, 2025. Due dates to file or serve most documents were tolled during the period of the shutdown, although due dates cannot be tolled for filing and service of unfair labor practice charges, applications for awards of fees and other expenses under the Equal Access to Justice Act, and certain representation petitions. For documents where tolling applies, the terms are that for each day on which the Agency’s offices were closed for all or any portion of the day, one day is added to the time for filing or service of the document. If the new due date falls on a weekend or holiday, the new due date will be moved to the next business day. For example, if the original due date was October 7, 2025 and the shutdown lasted 43 days, the revised due date is November 19, 2025. See chart for revised due dates.

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Case

Martin Marietta Materials, Inc.

 
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Case Number: 27-RC-086595

Date Filed: 08/03/2012

Status: Closed

Location: Denver, CO

Region Assigned: Region 27, Denver, Colorado

Tally Issued Date:09/14/2012

Status:Closed

No. of Eligible Voters:162

Void Ballots:1

Total Ballots Counted:157

Challenged Ballots:12

Votes for Labor Union:48

Tally Type:Initial

Ballot Type:Single Labor Organization

Unit ID:A

Votes Against:97

Challenges Determinative:No

Reason Closed:Certification of Results

Labor Union:INTERNATIONAL BROTHERHOOD OF TEAMSTERS LOCAL NO. 455

Voting Unit (Unit A):All full-time and regular part-time ready mix drivers, bulk cement drivers and mechanics employed by the Employer at the following locations: Chambers Ready Mix, 2650 Chambers Road, Aurora, CO 80014; Boulder Ready Mix, 5959 Valmont Drive, Boulder, CO 80301; Castle Rock Ready Mix, 309 S. Gilbert St., Castle Rock, CO 80104; Drennan Ready Mix, 3390 Drennan Industrial Loop South, Colorado Springs, CO 80910; Quivas Ready Mix, 1145 Quivas St., Denver, CO 80204; Estes Park Ready Mix, 530 Elm Road, Estes Park, CO 80517; Rigden Ready Mix, 3000 Ziegler Road, Fort Collins, CO 80525; Laramie, 5050 North 3rd Street, Laramie, WY 82072; Spec Agg Ready Mix, 18401 West Colfax Avenue, Golden, CO 80401; Greeley 35th Ready Mix, 925 North 35th Avenue, Greeley, CO 80631; Rock Creek Ready Mix, 1160 Rock Creek Court, Lafayette, CO 80026; Titan, 951 W. Titan Park Circle, Littleton, CO 80125; Brighton, 975 Highway 85, Brighton, CO 80603; Fenton, 5400 Fenton St., Arvada, CO 80002; Pueblo West, 630 N. States Street, Pueblo West, CO 81007; and, Picadilly, 2401 Picadilly Road, Aurora, CO 80019. Excluded: Office clerical employees, batchmen, managers, guards, and supervisors as defined in the Act.


Docket Activity

Date sort ascending Document Issued/Filed By
03/21/2013 Notice to Employees* NLRB - GC
03/21/2013 Notice of Election* NLRB - GC
03/21/2013 Stipulated Election Agreement* NLRB - GC
09/14/2012 Tally of Ballots* NLRB - GC
08/28/2012 Stipulated Election Agreement* NLRB - GC
08/10/2012 Stipulated Election Agreement* NLRB - GC
08/03/2012 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
Petitioner
Legal Representative
Belo, Michael
BERENBAUM WEINSHIENK PC
 370 17th St.
Ste. 4800
Denver, CO
80202-5698
 (303)592-8313
 
Employer
Employer
MARTIN MARIETTA MATERIALS, INC.
 Raleigh, NC
27607
 (919)788-4358
 
Petitioner
Union
Teamsters, Local Union 455
 Denver, CO
80212
 (800)871-0435
 

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