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

International Union of Operating Engineers, Local No. 12 (The Penta Building Group, Inc.)

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

Case Number: 28-CC-001020

Date Filed: 07/20/2007

Status: Closed

Location: Las Vegas, NV

Region Assigned: Region 28, Phoenix, Arizona



Docket Activity


Docket Activity data is not available.

Related Documents


Related Documents data is not available.

Allegations


  • 8(b)(4)(B) Picketing/Handbilling

Participants


Participant Address Phone
Charged Party / Respondent
Legal Representative
Koppleman, David
International Union of Operating Engineers, Local Union 12, AFL-CIO
150 East Corson Street
Pasadena, CA
91103
(626)792-8900
 
Charging Party
Legal Representative
WINKLER, JAMES
3960 Howard Hughes Parkway, Suite 300
Las Vegas, NV
89169-5937
(702)862-8800
 
Involved Party
Employer
OWENS GEOTECHNICAL, INC.
Las Vegas, NV
89118-4908
 
Charging Party
Employer
The Penta Building Group, LLC
Las Vegas, NV
89119-4101
 
Charged Party / Respondent
Union
INTERNATIONAL UNION OF OPERATING ENGINEERS, LOCAL 12
Las Vegas, NV
89106-4306
 

Related Cases