EX-21.1 9 y63862a2exv21w1.htm EX-21.1: LIST OF SUBSIDIARIES EX-21.1
Exhibit 21.1
LIST OF SUBSIDIARIES OF MCJUNKIN RED MAN HOLDING CORPORATION
The following is a list of all our subsidiaries and their jurisdictions of incorporation or organization.
     
Entity   Jurisdiction        
Greenbrier Development Drilling Partners 19761
  West Virginia
Greenbrier Petroleum Corporation
  West Virginia
Hagan Oilfield Supply Ltd.
  Alberta, Canada
LaBarge Pipe & Steel Company
  Missouri
LBPS Holding Company
  Delaware
McJunkin — Nigeria Limited
  Delaware
McJunkin — Puerto Rico Corporation
  Delaware
McJunkin — West Africa Corporation
  Delaware
McJunkin de Angola, LDA
  Angola
McJunkin Nigeria Limited2
   Nigeria
McJunkin Receivables Corporation*
  Delaware
McJunkin Red Man Canada Ltd.
  Alberta, Canada
McJunkin Red Man Corporation
  West Virginia
McJunkin Red Man Development Corporation
  Delaware
McJunkin Venezuela*
   Venezuela
Mega Production Testing Inc.3
  Alberta, Canada
Midfield Holdings (Alberta) Ltd.
  Alberta, Canada
Midfield Supply ULC
  Alberta, Canada
Midway-Tristate Corporation*
  New York
Milton Oil & Gas Company
  West Virginia
MRM Oklahoma Management LLC**
  Delaware
MRM West Virginia Management Company**
  Delaware
PrimeEnergy Corporation4
  Connecticut
Red Man Distributors LLC5
  Oklahoma
Red Man Pipe & Supply Co.
  Oklahoma
Red Man Pipe & Supply International Limited*
  Jamaica
Ruffner Realty Company
  West Virginia
Wesco Acquisition Partners, Inc.
  Texas
West Oklahoma PVF Company
  Delaware
Worldwide Matrix, Inc.6
  Alberta, Canada
*   Inactive
 
**   Management companies (organization not yet complete)
 
1   Our company indirectly owns 33% of this entity.
 
2   Our company indirectly owns 49% of this entity.
 
3   Our company indirectly owns 51% of this entity.
 
4   Our company indirectly owns 20.44% of this entity.
 
5   Our company indirectly owns 49% of this entity.
 
6   Our company indirectly owns 29.66% of this entity.