As filed with the Securities and Exchange
    Commission on July 1, 2011
 
 Registration No. 333-173037
   SECURITIES AND EXCHANGE
    COMMISSION
 Washington, DC 20549
   
  AMENDMENT NO. 4
 
 to
 Form S-1
 REGISTRATION
    STATEMENT
 UNDER
 THE SECURITIES ACT OF
    1933
    McJUNKIN RED MAN
    CORPORATION
 (Exact name of registrant as
    specified in its charter)
 Delaware

1311

55-0229830(State or other jurisdiction
    of
    incorporation or organization)

(Primary Standard Industrial
    Classification Code Number)

(I.R.S. Employer
    Identification Number)   SEE TABLE OF ADDITIONAL
    REGISTRANT GUARANTORS
  2 Houston Center
 909 Fannin, Suite 3100
 Houston, Texas 77010
 (877) 294-7574
 (Address, including zip code,
    and telephone number, including area code, of registrants
    principal executive offices)
      Andrew R. Lane
 2 Houston Center
 909 Fannin, Suite 3100
 Houston, Texas 77010
 (877) 294-7574
 (Name, address, including zip
    code, and telephone number, including area code, of agent for
    service)
      Copies to:
  Michael A. Levitt, Esq.
 Fried, Frank, Harris, Shriver & Jacobson LLP
 One New York Plaza
 New York, New York 10004
 (212) 859-8000
  Approximate date of commencement of proposed sale to the
    public:
  o
  o
  o
  o
  Rule 12b-2
  Large accelerated
    filer o



Accelerated
    filer oNon-accelerated
    filer x
    (Do not check if a smaller
    reporting company)

Smaller reporting
    company o   CALCULATION
    OF REGISTRATION FEE
  Title of Each Class





Proposed Maximum


Proposed Maximumof Securities to be


Amount to be


Offering Price


Aggregate Offering


Amount ofRegistered


Registered


Per Note(1)


Price


Registration Fee9.50% Senior Secured Notes due December 15, 2016


(1)


(1)


(1)


(1)Guarantees of 9.50% Senior Secured Notes due
    December 15, 2016


(2)


(2)


(2)


(2)   (1)
    
    An indeterminate amount of securities are being registered
    hereby to be offered solely for market-making purposes by
    specified affiliates of the registrants. Pursuant to
    Rule 457(q) under the Securities Act of 1933, as amended,
    no filing fee is required.(2)
    
    No separate filing fee is required pursuant to Rule 457(n)
    under the Securities Act.      The Registrant hereby amends this Registration Statement on
    such date or dates as may be necessary to delay its effective
    date until the Registrant shall file a further amendment which
    specifically states that this Registration Statement shall
    thereafter become effective in accordance with Section 8(a)
    of the Securities Act of 1933, as amended, or until the
    Registration Statement shall become effective on such date as
    the Securities and Exchange Commission, acting pursuant to said
    Section 8(a), may determine.




---



##### 





TABLE OF
    ADDITIONAL REGISTRANT GUARANTORS
  State or Other

Primary StandardJurisdiction of

Industrial

I.R.S. EmployerExact Name of Registrant Guarantor

Incorporation or

Classification Code

Identificationas Specified in its Charter(1)

Organization

Number

NumberGREENBRIER PETROLEUM CORPORATION

West Virginia

1311

55-0566559MCJUNKIN NIGERIA LIMITED

Delaware

1311

55-0758030MCJUNKIN-PUERTO RICO CORPORATION

Delaware

1311

27-0094172MCJUNKIN RED MAN DEVELOPMENT CORPORATION

Delaware

1311

55-0825430MCJUNKIN RED MAN HOLDING CORPORATION

Delaware

1311

20-5956993MCJUNKIN-WEST AFRICA CORPORATION

Delaware

1311

20-4303835MIDWAY-TRISTATE CORPORATION

New York

1311

13-3503059MILTON OIL & GAS COMPANY

West Virginia

1311

55-0547779MRC MANAGEMENT COMPANY

Delaware

1311

26-1570465RUFFNER REALTY COMPANY

West Virginia

1311

55-0547777THE SOUTH TEXAS SUPPLY COMPANY, INC.

Texas

1311

74-2804317     (1)
    
    The address for each of the additional registrant guarantors is
    c/o McJunkin
    Red Man Corporation, 2 Houston Center, 909 Fannin,
    Suite 3100, Houston, Texas 77010.




---



##### 



EXPLANATORY
    NOTE
 
 
  Form S-1




---



##### 



PART II
  INFORMATION
    NOT REQUIRED IN PROSPECTUS
  Item 13.
    Other
    Expenses of Issuance and Distribution.    Expense

AmountAccounting fees and expenses

$
90,000Legal fees and expenses


100,000Printing and engraving expenses


40,000Trustee fee


10,000Miscellaneous expenses


10,000Total

$
250,000   Item 14.
    Indemnification
    of Directors and Officers.  Delaware
         II-1




---



##### 



West
    Virginia
      New
    York
   II-2




---



##### 



Texas
   II-3




---



##### 



Insurance
    Item 15.
    Recent
    Sales of Unregistered Securities.        Item 16.
    Exhibits
    and Financial Statement Schedules.    Exhibit Number

Description2
.1*

Agreement and Plan of Merger, dated as of December 4, 2006,
    by and among McJunkin Corporation, McJ Holding Corporation and
    Hg Acquisition Corp.2
.1.1*

McJunkin Contribution Agreement, dated as of December 4,
    2006, by and among McJunkin Corporation, McJ Holding LLC and
    certain shareholders of McJunkin Corporation.2
.1.2*

McApple Contribution Agreement, dated as of December 4,
    2006, among McJunkin Corporation, McJ Holding LLC and certain
    shareholders of McJunkin Appalachian Oilfield Supply Company.2
.2*

Stock Purchase Agreement, dated as of April 5, 2007, by and
    between McJunkin Development Corporation, Midway-Tristate
    Corporation and the other parties thereto.2
.2.1*

Assignment Agreement, dated as of April 27, 2007, by and
    among McJunkin Development Corporation, McJunkin Appalachian
    Oilfield Supply Company, Midway-Tristate Corporation, and John
    A. Selzer, as Representative of the Shareholders.2
.3*

Stock Purchase Agreement, dated as of July 6, 2007, by and
    among West Oklahoma PVF Company, Red Man Pipe & Supply
    Co., the Shareholders listed on Schedule 1 thereto, PVF
    Holdings LLC, and Craig Ketchum, as Representative of the
    Shareholders. II-4




---



##### 



Exhibit Number

Description2
.3.1*

Contribution Agreement, dated July 6, 2007, by and among
    McJ Holding LLC and certain shareholders of Red Man
    Pipe & Supply Co.2
.3.2*

Amendment No. 1 to Stock Purchase Agreement, dated as of
    October 24, 2007, by and among West Oklahoma PVF Company,
    Red Man Pipe & Supply Co., and Craig Ketchum, as
    Representative of the Shareholders.2
.3.3*

Joinder Agreement and Amendment No. 2 to the Stock Purchase
    Agreement, dated as of October 31, 2007, by and among West
    Oklahoma PVF Company, Red Man Pipe & Supply Co., PVF
    Holdings LLC, Craig Ketchum, as Representative of the
    Shareholders, and the other parties thereto.3
.1***

Certificate of Incorporation of McJunkin Red Man Corporation.3
.2***

Bylaws of McJunkin Red Man Corporation.3
.3***

Certificate of Incorporation of McJunkin Red Man Holding
    Corporation.3
.4***

Bylaws of McJunkin Red Man Holding Corporation.3
.5***

Certificate of Incorporation of McJunkin Red Man Development
    Corporation.3
.6***

Bylaws of McJunkin Red Man Development Corporation.3
.7***

Certificate of Incorporation of McJunkin Nigeria Limited.3
.8***

Bylaws of McJunkin Nigeria Limited.3
.9***

Certificate of Incorporation of McJunkin-Puerto Rico Corporation.3
.10***

Bylaws of McJunkin-Puerto Rico Corporation.3
.11***

Certificate of Incorporation of McJunkin-West Africa Corporation.3
.12***

Bylaws of McJunkin-West Africa Corporation.3
.13***

Certificate of Incorporation of Milton Oil & Gas
    Company.3
.14***

Bylaws of Milton Oil & Gas Company.3
.15***

Certificate of Incorporation of Ruffner Realty Company.3
.16***

Bylaws of Ruffner Realty Company.3
.17***

Certificate of Incorporation of Greenbrier Petroleum Corporation.3
.18***

Bylaws of Greenbrier Petroleum Corporation.3
.19***

Certificate of Incorporation of Midway-Tristate Corporation.3
.20***

Bylaws of Midway-Tristate Corporation.3
.21***

Certificate of Incorporation of MRC Management Company.3
.22***

Bylaws of MRC Management Company.3
.23***

Certificate of Incorporation of The South Texas Supply Company,
    Inc.3
.24***

Bylaws of The South Texas Supply Company, Inc.4
.1***

Indenture, dated as of December 21, 2009, by and among
    McJunkin Red Man Corporation, the guarantors named therein and
    U.S. Bank National Association, as trustee.4
.2***

Form of 9.50% Senior Secured Notes due December 15,
    2016 (included as part of Exhibit 4.1 above).4
.3***

Exchange and Registration Rights Agreement, dated as of
    December 21, 2009, by and among McJunkin Red Man
    Corporation, McJunkin Red Man Holding Corporation, the
    subsidiary guarantors party thereto, Goldman, Sachs &
    Co., Barclays Capital Inc., Banc of America Securities LLC and
    J.P. Morgan Securities Inc.4
.4***

Exchange and Registration Rights Agreement, dated as of
    February 11, 2010, by and among McJunkin Red Man
    Corporation, McJunkin Red Man Holding Corporation, the
    subsidiary guarantors party thereto, Goldman, Sachs &
    Co. and Barclays Capital Inc.4
.5***

Reaffirmation Agreement, dated as of February 11, 2010, by
    and among McJunkin Red Man Corporation, McJunkin Red Man Holding
    Corporation, the subsidiary guarantors party thereto, and U.S.
    Bank National Association, as collateral trustee. II-5




---



##### 



Exhibit Number

Description5
.1

Opinion of Fried, Frank, Harris, Shriver & Jacobson
    LLP.5
.2

Opinion of Jones, Walker, Waechter, Poitevent,
    Carrère & Denègre L.L.P.5
.3

Opinion of Bowles Rice McDavid Graff & Love LLP.10
.1.1*

Revolving Loan Credit Agreement, dated as of October 31,
    2007, by and among McJunkin Red Man Corporation and the other
    parties thereto.10
.1.2*

Joinder Agreement, dated as of June 10, 2008, by and among
    The Huntington National Bank, McJunkin Red Man Corporation and
    The CIT Group/Business Credit, Inc.10
.1.3*

Joinder Agreement, dated as of June 10, 2008, by and among
    JP Morgan Chase Bank, N.A., McJunkin Red Man Corporation and The
    CIT Group/Business Credit, Inc.10
.1.4*

Joinder Agreement, dated as of June 10, 2008, by and among
    TD Bank, N.A., McJunkin Red Man Corporation and The CIT
    Group/Business Credit, Inc.10
.1.5*

Joinder Agreement, dated as of June 10, 2008, by and among
    United Bank Inc., McJunkin Red Man Corporation and The CIT
    Group/Business Credit, Inc.10
.1.6**

Joinder Agreement, dated as of October 3, 2008, by and
    among Raymond James Bank, FSB, McJunkin Red Man Corporation and
    The CIT Group/Business Credit, Inc.10
.1.7**

Joinder Purchase Agreement, dated as of October 3, 2008, by
    and among Raymond James Bank, FSB, McJunkin Red Man Corporation
    and The CIT Group/Business Credit, Inc.10
.1.8**

Joinder Agreement, dated as of October 16, 2008, by and
    among SunTrust Bank, McJunkin Red Man Corporation and The CIT
    Group/Business Credit, Inc.10
.1.9**

Joinder Purchase Agreement, dated as of October 16, 2008,
    by and among SunTrust Bank, McJunkin Red Man Corporation and The
    CIT Group/Business Credit, Inc.10
.1.10***

Joinder Agreement, dated as of January 2, 2009, by and
    among Barclays Bank PLC, McJunkin Red Man Corporation and The
    CIT Group/Business Credit, Inc.10
.1.11***

Joinder Purchase Agreement, dated as of January 2, 2009, by
    and among Barclays Bank PLC, McJunkin Red Man Corporation and
    The CIT Group/Business Credit, Inc.10
.1.12***

Amendment No. 1, dated as of December 21, 2009, to the
    Revolving Loan Credit Agreement, by and among McJunkin Red Man
    Corporation and the other parties thereto.10
.2.1*

Revolving Loan Security Agreement, dated as of October 31,
    2007, by and among McJunkin Red Man Corporation and the other
    parties thereto.10
.2.2***

Supplement No. 1 to Revolving Loan Security Agreement,
    dated as of December 31, 2007.10
.2.3***

Supplement No. 2 to Revolving Loan Security Agreement,
    dated as of October 16, 2008.10
.3.1***

Revolving Loan Guarantee, dated as of October 31, 2007.10
.3.2***

Supplement No. 1 to Revolving Loan Guarantee, dated as of
    December 31, 2007.10
.3.3***

Supplement No. 2 to Revolving Loan Guarantee, dated as of
    October 16, 2008.10
.4***

Amended and Restated Loan and Security Agreement, dated as of
    November 18, 2009, by and among Midfield Supply ULC and the
    other parties thereto.10
.5***

Amended and Restated Letter Agreement, dated as of
    November 13, 2009, by and between Alberta Treasury Branches
    and Midfield Supply ULC.10
.6***

Revolving Facility Agreement, dated September 17, 2010,
    between MRC Transmark Holdings UK Limited, HSBC Bank plc and the
    other parties thereto.10
.7*

Employment Agreement, dated as of September 10, 2008, by
    and among McJunkin Red Man Holding Corporation and Andrew R.
    Lane.10
.7.1***

Amendment to Employment Agreement by and among McJunkin Red Man
    Holding Corporation and Andrew R. Lane, dated February 23,
    2011.10
.8***

Amended and Restated Employment Agreement, dated as of
    December 31, 2009, by and among McJunkin Red Man Holding
    Corporation and James Underhill. 
 II-6




---



##### 



Exhibit Number

Description10
.8.1***

Amendment to Employment Agreement by and among McJunkin Red Man
    Holding Corporation and James Underhill, dated February 23,
    2011.10
.9.1***

Form of McJunkin Red Man Holding Corporation Nonqualified Stock
    Option Agreement (Director Grant May 2010  Dutch
    residents).10
.9.2***

Form of McJunkin Red Man Holding Corporation Nonqualified Stock
    Option Agreement (Director Grant May 2010  US
    residents).10
.10.1***

Employment Agreement, dated as of September 10, 2009, by
    and between Transmark Fcx Limited and Neil P. Wagstaff.10
.10.2***

Amendment to Employment Agreement by and between MRC Transmark
    Limited and Neil P. Wagstaff, dated February 23, 2011.10
.11*

Letter Agreement, dated as of September 24, 2008, by and
    among H.B. Wehrle, III, PVF Holdings LLC and McJunkin Red
    Man Corporation.10
.12***

Letter Agreement, dated as of December 22, 2008, by and
    among McJunkin Red Man Holding Corporation and Craig Ketchum.10
.13.1***

McJ Holding Corporation 2007 Stock Option Plan, as amended.10
.13.2*

Form of McJunkin Red Man Holding Corporation Nonqualified Stock
    Option Agreement.10
.14.1***

McJ Holding Corporation 2007 Restricted Stock Plan, as amended.10
.14.2*

Form of McJunkin Red Man Holding Corporation Restricted Stock
    Award Agreement.10
.15.1*

McJunkin Red Man Holding Corporation 2007 Stock Option Plan
    (Canada).10
.15.2*

Form of McJunkin Red Man Holding Corporation Nonqualified Stock
    Option Agreement (Canada) (for plan participants who are parties
    to non-competition agreements).10
.15.3*

Form of McJunkin Red Man Holding Corporation Nonqualified Stock
    Option Agreement (Canada) (for plan participants who are not
    parties to non-competition agreements).10
.16*

McJunkin Red Man Corporation Deferred Compensation Plan.10
.17*

Indemnity Agreement, dated as of December 4, 2006, by and
    among McJunkin Red Man Holding Corporation, Hg Acquisition
    Corp., McJunkin Red Man Corporation, and certain shareholders of
    McJunkin Red Man Corporation named therein.10
.18.1*

Management Stockholders Agreement, dated as of March 27,
    2007, by and among PVF Holdings LLC, McJunkin Red Man Holding
    Corporation, and the other parties thereto.10
.18.2*

Amendment No. 1 to the Management Stockholders Agreement,
    dated as of December 21, 2007, executed by PVF Holdings LLC.10
.18.3*

Amendment No. 2 to the Management Stockholders Agreement,
    dated as of December 26, 2007, executed by PVF Holdings LLC.10
.19***

Amended and Restated Limited Liability Company Agreement of PVF
    Holdings LLC, dated as of October 31, 2007.10
.20.1***

Amendment No. 1, dated as of December 18, 2007, to the
    Amended and Restated Limited Liability Company Agreement of PVF
    Holdings LLC.10
.20.2***

Amendment No. 2, dated as of October 31, 2009, to the
    Amended and Restated Limited Liability Company Agreement of PVF
    Holdings LLC.10
.21.1***

Amended and Restated Registration Rights Agreement of PVF
    Holdings LLC, dated as of October 31, 2007.10
.21.2***

Amendment No. 1 to the Amended and Restated Registration
    Rights Agreement of PVF Holdings LLC, dated as of
    October 31, 2009.10
.22*

Subscription Agreement, dated as of September 10, 2008, by
    and among McJunkin Red Man Holding Corporation, Andrew R. Lane,
    and PVF Holdings LLC. II-7




---



##### 



Exhibit Number

Description10
.23.1*

McJunkin Red Man Holding Corporation Nonqualified Stock Option
    Agreement, dated as of September 10, 2008, by and among
    McJunkin Red Man Holding Corporation, PVF Holdings LLC, and
    Andrew R. Lane.10
.23.2***

Amendment to the McJunkin Red Man Holding Corporation
    Nonqualified Stock Option Agreement, dated as of June 1,
    2009, by and among McJunkin Red Man Holding Corporation, PVF
    Holdings LLC, and Andrew R. Lane.10
.23.3***

Second Amendment to the McJunkin Red Man Holding Corporation
    Nonqualified Stock Option Agreement, dated as of
    September 10, 2009, by and among McJunkin Red Man Holding
    Corporation, PVF Holdings LLC, and Andrew R. Lane.10
.24.1***

McJunkin Red Man Holding Corporation Restricted Stock Award
    Agreement, dated as of February 24, 2009, by and among
    McJunkin Red Man Holding Corporation, PVF Holdings LLC, and
    Andrew R. Lane.10
.24.2***

Amendment to the McJunkin Red Man Holding Corporation Restricted
    Stock Award Agreement, dated as of June 1, 2009, by and
    among McJunkin Red Man Holding Corporation, PVF Holdings LLC,
    and Andrew R. Lane.10
.25***

Subscription Agreement, dated as of October 3, 2008, by and
    among McJunkin Red Man Holding Corporation, Len Anthony, and PVF
    Holdings LLC.10
.26.1***

McJunkin Red Man Holding Corporation Nonqualified Stock Option
    Agreement, dated as of October 3, 2008, by and among
    McJunkin Red Man Holding Corporation, PVF Holdings LLC, and Len
    Anthony.10
.26.2***

Amendment to the McJunkin Red Man Holding Corporation
    Nonqualified Stock Option Agreement, dated as of
    September 10, 2009, by and among McJunkin Red Man Holding
    Corporation, PVF Holdings LLC, and Len Anthony.10
.27***

McJunkin Red Man Holding Corporation Restricted Stock Award
    Agreement, dated as of September 10, 2009, by and among
    McJunkin Red Man Holding Corporation, PVF Holdings LLC, and Len
    Anthony.10
.28***

Subscription Agreement, dated as of October 30, 2009, by
    and among McJunkin Red Man Holding Corporation, John A. Perkins,
    and PVF Holdings LLC.10
.29***

McJunkin Red Man Holding Corporation Nonqualified Stock Option
    Agreement, dated as of December 3, 2009, by and among
    McJunkin Red Man Holding Corporation, PVF Holdings LLC, and John
    A. Perkins.10
.30***

Indemnification Agreement by and between the Company and Peter
    C. Boylan, III dated August 11, 2010.10
.31***

Loan, Security and Guarantee Agreement between McJunkin Red Man
    Corporation, Midfield Supply ULC and the other parties thereto.12
.1***

Computation of Ratio of Earnings to Fixed Charges.21
.1***

List of Subsidiaries of McJunkin Red Man Holding Corporation.23
.1****

Consent of Ernst & Young LLP, Independent Registered
    Public Accounting Firm.23
.2

Consent of Fried, Frank, Harris, Shriver & Jacobson
    LLP (included in Exhibit 5.1).23
.3

Consent of Jones, Walker, Waechter, Poitevent,
    Carrère & Denègre L.L.P. (included in
    Exhibit 5.2).23
.4

Consent of Bowles Rice McDavid Graff & Love LLP
    (included in Exhibit 5.3).24
.1****

Powers of Attorney.25
.1***

Form T-1
    Statement of Eligibility under the Trust Indenture Act of
    1939 with respect to the Indenture governing the
    9.50% Senior Secured Notes due December 15, 2016.  
    +
    
    To be filed by amendment.*
    
    Incorporated by reference to Amendment No. 1 to the
    Registration Statement on
    Form S-1
    of McJunkin Red Man Holding Corporation
    (No. 333-153091),
    filed with the SEC on September 26, 2008. II-8




---



##### 



**
    
    Incorporated by reference to Amendment No. 2 to the
    Registration Statement on
    Form S-1
    of McJunkin Red Man Holding Corporation
    (No. 333-153091),
    filed with the SEC on October 31, 2008.***
    
    Incorporated by reference to the Registration Statement on
    Form S-4
    of McJunkin Red Man Corporation
    (No. 333-173035). 
  ****
    
    Previously filed with Registration Statement on
    Form S-1
    of McJunkin Red Man Corporation
    (No. 333-173037). 
  
    
    Management contract or compensatory plan or arrangement required
    to be posted as an exhibit to this report.  Item 17.
    Undertakings.                Provided, however,
     II-9




---



##### 



II-10




---



##### 



SIGNATURES
 
   
    By:
    /s/  Andrew
    R. Lane       
 Signature

Title

Date/s/  Andrew
    R. LaneAndrew
    R. Lane

Chairman, President and Chief Executive Officer (Principal
    Executive Officer and Sole Director)

July 1, 2011/s/  James
    F. UnderhillJames
    F. Underhill

Executive Vice President and Chief Financial Officer (Principal
    Financial Officer)

July 1, 2011/s/  Elton
    BondElton
    Bond

Senior Vice President and Chief Accounting Officer (Principal
    Accounting Officer)

July 1, 2011  
 II-11




---



##### 



SIGNATURES
 
   
    By:
    /s/  Andrew
    R. Lane       
 Signature

Title

Date/s/  Andrew
    R. LaneAndrew
    R. Lane

Chairman, President and Chief Executive Officer (Principal
    Executive Officer)

July 1, 2011/s/  James
    F. UnderhillJames
    F. Underhill

Executive Vice President and Chief Financial Officer (Principal
    Financial Officer)

July 1, 2011/s/  Elton
    BondElton
    Bond

Senior Vice President and Chief Accounting Officer (Principal
    Accounting Officer)

July 1, 2011*Leonard
    M. Anthony

Director

July 1, 2011*Rhys
    J. Best

Director

July 1, 2011*Peter
    C. Boylan III

Director

July 1, 2011*Henry
    Cornell

Director

July 1, 2011*Christopher
    A.S. Crampton

Director

July 1, 2011*John
    F. Daly

Director

July 1, 2011*Craig
    Ketchum

Director

July 1, 2011 
 II-12




---



##### 



Signature

Title

Date*Gerard
    P. Krans

Director

July 1, 2011*Dr. Cornelis
    A. Linse

Director

July 1, 2011*John
    A. Perkins

Director

July 1, 2011*H.B.
    Wehrle, III

Director

July 1, 2011* By: /s/  Andrew
    R. LaneAndrew
    R. Lane,
          Attorney-in-Fact  
 II-13




---



##### 



SIGNATURES
 
   
    By:
    /s/  Andrew
    R. Lane       
 Signature

Title

Date/s/  Andrew
    R. LaneAndrew
    R. Lane

Chairman, President and Chief Executive Officer (Principal
    Executive Officer
    and Sole Director)

July 1, 2011/s/  James
    F. UnderhillJames
    F. Underhill

Executive Vice President and Chief Financial Officer (Principal
    Financial Officer)

July 1, 2011/s/  Elton
    BondElton
    Bond

Senior Vice President and Chief Accounting Officer (Principal
    Accounting Officer)

July 1, 2011  
 II-14




---



##### 



SIGNATURES
 
   
    By:
    /s/  Andrew
    R. Lane       
 Signature

Title

Date/s/  Andrew
    R. LaneAndrew
    R. Lane

Chairman, President and Chief Executive Officer (Principal
    Executive Officer and Sole Director)

July 1, 2011/s/  James
    F. UnderhillJames
    F. Underhill

Executive Vice President and Chief Financial Officer (Principal
    Financial Officer)

July 1, 2011/s/  Elton
    BondElton
    Bond

Senior Vice President and Chief Accounting Officer (Principal
    Accounting Officer)

July 1, 2011  
 II-15




---



##### 



SIGNATURES
 
   
    By:
    /s/  Andrew
    R. Lane       
 Signature

Title

Date/s/  Andrew
    R. LaneAndrew
    R. Lane

Chairman, President and Chief Executive Officer (Principal
    Executive Officer and Sole Director)

July 1, 2011/s/  James
    F. UnderhillJames
    F. Underhill

Executive Vice President and Chief Financial Officer (Principal
    Financial Officer)

July 1, 2011/s/  Elton
    BondElton
    Bond

Senior Vice President and Chief Accounting Officer (Principal
    Accounting Officer)

July 1, 2011  
 II-16




---



##### 



SIGNATURES
 
   
    By:
    /s/  Andrew
    R. Lane       
 Signature

Title

Date/s/  Andrew
    R. LaneAndrew
    R. Lane

Chairman, President and Chief Executive Officer (Principal
    Executive Officer and Sole Director)

July 1, 2011/s/  James
    F. UnderhillJames
    F. Underhill

Executive Vice President and Chief Financial Officer (Principal
    Financial Officer)

July 1, 2011/s/  Elton
    BondElton
    Bond

Senior Vice President and Chief Accounting Officer (Principal
    Accounting Officer)

July 1, 2011  
 II-17




---



##### 



SIGNATURES
 
   
    By:
    /s/  Andrew
    R. Lane       
 Signature

Title

Date/s/  Andrew
    R. LaneAndrew
    R. Lane

Chairman, President and Chief Executive Officer (Principal
    Executive Officer and Sole Director)

July 1, 2011/s/  James
    F. UnderhillJames
    F. Underhill

Executive Vice President and Chief Financial Officer (Principal
    Financial Officer)

July 1, 2011/s/  Elton
    BondElton
    Bond

Senior Vice President and Chief Accounting Officer (Principal
    Accounting Officer)

July 1, 2011  
 II-18




---



##### 



SIGNATURES
 
   
    By:
    /s/  Andrew
    R. Lane       
 Signature

Title

Date/s/  Andrew
    R. LaneAndrew
    R. Lane

Chairman, President and Chief Executive Officer (Principal
    Executive Officer and Sole Director)

July 1, 2011/s/  James
    F. UnderhillJames
    F. Underhill

Executive Vice President and Chief Financial Officer (Principal
    Financial Officer)

July 1, 2011/s/  Elton
    BondElton
    Bond

Senior Vice President and Chief Accounting Officer (Principal
    Accounting Officer)

July 1, 2011  
 II-19




---



##### 



SIGNATURES
 
   
    By:
    /s/  Andrew
    R. Lane       
 Signature

Title

Date/s/  Andrew
    R. LaneAndrew
    R. Lane

Chairman, President and Chief Executive Officer (Principal
    Executive Officer) and Sole Director

July 1, 2011/s/  James
    F. UnderhillJames
    F. Underhill

Executive Vice President and Chief Financial Officer (Principal
    Financial Officer)

July 1, 2011/s/  Elton
    BondElton
    Bond

Senior Vice President and Chief Accounting Officer (Principal
    Accounting Officer)

July 1, 2011  
 II-20




---



##### 



SIGNATURES
 
   
    By:
    /s/  Andrew
    R. Lane       
 Signature

Title

Date/s/  Andrew
    R. LaneAndrew
    R. Lane

Chairman, President and Chief Executive Officer (Principal
    Executive Officer) and Sole Director

July 1, 2011/s/  James
    F. UnderhillJames
    F. Underhill

Executive Vice President and Chief Financial Officer (Principal
    Financial Officer)

July 1, 2011/s/  Elton
    BondElton
    Bond

Senior Vice President and Chief Accounting Officer (Principal
    Accounting Officer)

July 1, 2011  
 II-21




---



##### 



SIGNATURES
 
   
    By:
    /s/  Andrew
    R. Lane       
 Signature

Title

Date/s/  Andrew
    R. LaneAndrew
    R. Lane

Chairman, President and Chief Executive Officer (Principal
    Executive Officer and Sole Director)

July 1, 2011/s/  James
    F. UnderhillJames
    F. Underhill

Executive Vice President and Chief Financial Officer (Principal
    Financial Officer)

July 1, 2011/s/  Elton
    BondElton
    Bond

Senior Vice President and Chief Accounting Officer (Principal
    Accounting Officer)

July 1, 2011  
 II-22




---



##### 



SIGNATURES
 
   
    By:
    /s/  Andrew
    R. Lane       
 Signature

Title

Date/s/  Andrew
    R. LaneAndrew
    R. Lane

Chairman, President and Chief Executive Officer (Principal
    Executive Officer and Sole Director)

July 1, 2011/s/  James
    F. UnderhillJames
    F. Underhill

Executive Vice President and Chief Financial Officer (Principal
    Financial Officer)

July 1, 2011/s/  Elton
    BondElton
    Bond

Senior Vice President and Chief Accounting Officer (Principal
    Accounting Officer)

July 1, 2011  
 II-23




---



##### 



INDEX TO
    EXHIBITS
  Exhibit Number

Description2
.1*

Agreement and Plan of Merger, dated as of December 4, 2006,
    by and among McJunkin Corporation, McJ Holding Corporation and
    Hg Acquisition Corp.2
.1.1*

McJunkin Contribution Agreement, dated as of December 4,
    2006, by and among McJunkin Corporation, McJ Holding LLC and
    certain shareholders of McJunkin Corporation.2
.1.2*

McApple Contribution Agreement, dated as of December 4,
    2006, among McJunkin Corporation, McJ Holding LLC and certain
    shareholders of McJunkin Appalachian Oilfield Supply Company.2
.2*

Stock Purchase Agreement, dated as of April 5, 2007, by and
    between McJunkin Development Corporation, Midway-Tristate
    Corporation and the other parties thereto.2
.2.1*

Assignment Agreement, dated as of April 27, 2007, by and
    among McJunkin Development Corporation, McJunkin Appalachian
    Oilfield Supply Company, Midway-Tristate Corporation, and John
    A. Selzer, as Representative of the Shareholders.2
.3*

Stock Purchase Agreement, dated as of July 6, 2007, by and
    among West Oklahoma PVF Company, Red Man Pipe & Supply
    Co., the Shareholders listed on Schedule 1 thereto, PVF
    Holdings LLC, and Craig Ketchum, as Representative of the
    Shareholders.2
.3.1*

Contribution Agreement, dated July 6, 2007, by and among
    McJ Holding LLC and certain shareholders of Red Man
    Pipe & Supply Co.2
.3.2*

Amendment No. 1 to Stock Purchase Agreement, dated as of
    October 24, 2007, by and among West Oklahoma PVF Company,
    Red Man Pipe & Supply Co., and Craig Ketchum, as
    Representative of the Shareholders.2
.3.3*

Joinder Agreement and Amendment No. 2 to the Stock Purchase
    Agreement, dated as of October 31, 2007, by and among West
    Oklahoma PVF Company, Red Man Pipe & Supply Co., PVF
    Holdings LLC, Craig Ketchum, as Representative of the
    Shareholders, and the other parties thereto.3
.1***

Certificate of Incorporation of McJunkin Red Man Corporation.3
.2***

Bylaws of McJunkin Red Man Corporation.3
.3***

Certificate of Incorporation of McJunkin Red Man Holding
    Corporation.3
.4***

Bylaws of McJunkin Red Man Holding Corporation.3
.5***

Certificate of Incorporation of McJunkin Red Man Development
    Corporation.3
.6***

Bylaws of McJunkin Red Man Development Corporation.3
.7***

Certificate of Incorporation of McJunkin Nigeria Limited.3
.8***

Bylaws of McJunkin Nigeria Limited.3
.9***

Certificate of Incorporation of McJunkin-Puerto Rico Corporation.3
.10***

Bylaws of McJunkin-Puerto Rico Corporation.3
.11***

Certificate of Incorporation of McJunkin-West Africa Corporation.3
.12***

Bylaws of McJunkin-West Africa Corporation.3
.13***

Certificate of Incorporation of Milton Oil & Gas
    Company.3
.14***

Bylaws of Milton Oil & Gas Company.3
.15***

Certificate of Incorporation of Ruffner Realty Company.3
.16***

Bylaws of Ruffner Realty Company.3
.17***

Certificate of Incorporation of Greenbrier Petroleum Corporation.3
.18***

Bylaws of Greenbrier Petroleum Corporation.3
.19***

Certificate of Incorporation of Midway-Tristate Corporation.3
.20***

Bylaws of Midway-Tristate Corporation.3
.21***

Certificate of Incorporation of MRC Management Company.3
.22***

Bylaws of MRC Management Company.3
.23***

Certificate of Incorporation of The South Texas Supply Company,
    Inc.




---



##### 



Exhibit Number

Description3
.24***

Bylaws of The South Texas Supply Company, Inc.4
.1***

Indenture, dated as of December 21, 2009, by and among
    McJunkin Red Man Corporation, the guarantors named therein and
    U.S. Bank National Association, as trustee.4
.2***

Form of 9.50% Senior Secured Notes due December 15,
    2016 (included as part of Exhibit 4.1 above).4
.3***

Exchange and Registration Rights Agreement, dated as of
    December 21, 2009, by and among McJunkin Red Man
    Corporation, McJunkin Red Man Holding Corporation, the
    subsidiary guarantors party thereto, Goldman, Sachs &
    Co., Barclays Capital Inc., Banc of America Securities LLC and
    J.P. Morgan Securities Inc.4
.4***

Exchange and Registration Rights Agreement, dated as of
    February 11, 2010, by and among McJunkin Red Man
    Corporation, McJunkin Red Man Holding Corporation, the
    subsidiary guarantors party thereto, Goldman, Sachs &
    Co. and Barclays Capital Inc.4
.5***

Reaffirmation Agreement, dated as of February 11, 2010, by
    and among McJunkin Red Man Corporation, McJunkin Red Man Holding
    Corporation, the subsidiary guarantors party thereto, and U.S.
    Bank National Association, as collateral trustee.5
.1

Opinion of Fried, Frank, Harris, Shriver & Jacobson
    LLP.5
.2

Opinion of Jones, Walker, Waechter, Poitevent,
    Carrère & Denègre L.L.P.5
.3

Opinion of Bowles Rice McDavid Graff & Love LLP.10
.1.1*

Revolving Loan Credit Agreement, dated as of October 31,
    2007, by and among McJunkin Red Man Corporation and the other
    parties thereto.10
.1.2*

Joinder Agreement, dated as of June 10, 2008, by and among
    The Huntington National Bank, McJunkin Red Man Corporation and
    The CIT Group/Business Credit, Inc.10
.1.3*

Joinder Agreement, dated as of June 10, 2008, by and among
    JP Morgan Chase Bank, N.A., McJunkin Red Man Corporation and The
    CIT Group/Business Credit, Inc.10
.1.4*

Joinder Agreement, dated as of June 10, 2008, by and among
    TD Bank, N.A., McJunkin Red Man Corporation and The CIT
    Group/Business Credit, Inc.10
.1.5*

Joinder Agreement, dated as of June 10, 2008, by and among
    United Bank Inc., McJunkin Red Man Corporation and The CIT
    Group/Business Credit, Inc.10
.1.6**

Joinder Agreement, dated as of October 3, 2008, by and
    among Raymond James Bank, FSB, McJunkin Red Man Corporation and
    The CIT Group/Business Credit, Inc.10
.1.7**

Joinder Purchase Agreement, dated as of October 3, 2008, by
    and among Raymond James Bank, FSB, McJunkin Red Man Corporation
    and The CIT Group/Business Credit, Inc.10
.1.8**

Joinder Agreement, dated as of October 16, 2008, by and
    among SunTrust Bank, McJunkin Red Man Corporation and The CIT
    Group/Business Credit, Inc.10
.1.9**

Joinder Purchase Agreement, dated as of October 16, 2008,
    by and among SunTrust Bank, McJunkin Red Man Corporation and The
    CIT Group/Business Credit, Inc.10
.1.10***

Joinder Agreement, dated as of January 2, 2009, by and
    among Barclays Bank PLC, McJunkin Red Man Corporation and The
    CIT Group/Business Credit, Inc.10
.1.11***

Joinder Purchase Agreement, dated as of January 2, 2009, by
    and among Barclays Bank PLC, McJunkin Red Man Corporation and
    The CIT Group/Business Credit, Inc.10
.1.12***

Amendment No. 1, dated as of December 21, 2009, to the
    Revolving Loan Credit Agreement, by and among McJunkin Red Man
    Corporation and the other parties thereto.10
.2.1*

Revolving Loan Security Agreement, dated as of October 31,
    2007, by and among McJunkin Red Man Corporation and the other
    parties thereto.10
.2.2***

Supplement No. 1 to Revolving Loan Security Agreement,
    dated as of December 31, 2007.10
.2.3***

Supplement No. 2 to Revolving Loan Security Agreement,
    dated as of October 16, 2008.10
.3.1***

Revolving Loan Guarantee, dated as of October 31, 2007.10
.3.2***

Supplement No. 1 to Revolving Loan Guarantee, dated as of
    December 31, 2007.




---



##### 



Exhibit Number

Description10
.3.3***

Supplement No. 2 to Revolving Loan Guarantee, dated as of
    October 16, 2008.10
.4***

Amended and Restated Loan and Security Agreement, dated as of
    November 18, 2009, by and among Midfield Supply ULC and the
    other parties thereto.10
.5***

Amended and Restated Letter Agreement, dated as of
    November 13, 2009, by and between Alberta Treasury Branches
    and Midfield Supply ULC.10
.6***

Revolving Facility Agreement, dated September 17, 2010,
    between MRC Transmark Holdings UK Limited, HSBC Bank plc and the
    other parties thereto.10
.7*

Employment Agreement, dated as of September 10, 2008, by
    and among McJunkin Red Man Holding Corporation and Andrew R.
    Lane.10
.7.1***

Amendment to Employment Agreement by and among McJunkin Red Man
    Holding Corporation and Andrew R. Lane, dated February 23,
    2011.10
.8***

Amended and Restated Employment Agreement, dated as of
    December 31, 2009, by and among McJunkin Red Man Holding
    Corporation and James Underhill.10
.8.1***

Amendment to Employment Agreement by and among McJunkin Red Man
    Holding Corporation and James Underhill, dated February 23,
    2011.10
.9.1***

Form of McJunkin Red Man Holding Corporation Nonqualified Stock
    Option Agreement (Director Grant May 2010  Dutch
    residents).10
.9.2***

Form of McJunkin Red Man Holding Corporation Nonqualified Stock
    Option Agreement (Director Grant May 2010  US
    residents).10
.10.1***

Employment Agreement, dated as of September 10, 2009, by
    and between Transmark Fcx Limited and Neil P. Wagstaff.10
.10.2***

Amendment to Employment Agreement by and between MRC Transmark
    Limited and Neil P. Wagstaff, dated February 23, 2011.10
.11*

Letter Agreement, dated as of September 24, 2008, by and
    among H.B. Wehrle, III, PVF Holdings LLC and McJunkin Red
    Man Corporation.10
.12***

Letter Agreement, dated as of December 22, 2008, by and
    among McJunkin Red Man Holding Corporation and Craig Ketchum.10
.13.1***

McJ Holding Corporation 2007 Stock Option Plan, as amended.10
.13.2*

Form of McJunkin Red Man Holding Corporation Nonqualified Stock
    Option Agreement.10
.14.1***

McJ Holding Corporation 2007 Restricted Stock Plan, as amended.10
.14.2*

Form of McJunkin Red Man Holding Corporation Restricted Stock
    Award Agreement.10
.15.1*

McJunkin Red Man Holding Corporation 2007 Stock Option Plan
    (Canada).10
.15.2*

Form of McJunkin Red Man Holding Corporation Nonqualified Stock
    Option Agreement (Canada) (for plan participants who are parties
    to non-competition agreements).10
.15.3*

Form of McJunkin Red Man Holding Corporation Nonqualified Stock
    Option Agreement (Canada) (for plan participants who are not
    parties to non-competition agreements).10
.16*

McJunkin Red Man Corporation Deferred Compensation Plan.10
.17*

Indemnity Agreement, dated as of December 4, 2006, by and
    among McJunkin Red Man Holding Corporation, Hg Acquisition
    Corp., McJunkin Red Man Corporation, and certain shareholders of
    McJunkin Red Man Corporation named therein.10
.18.1*

Management Stockholders Agreement, dated as of March 27,
    2007, by and among PVF Holdings LLC, McJunkin Red Man Holding
    Corporation, and the other parties thereto.10
.18.2*

Amendment No. 1 to the Management Stockholders Agreement,
    dated as of December 21, 2007, executed by PVF Holdings LLC.10
.18.3*

Amendment No. 2 to the Management Stockholders Agreement,
    dated as of December 26, 2007, executed by PVF Holdings LLC.10
.19***

Amended and Restated Limited Liability Company Agreement of PVF
    Holdings LLC, dated as of October 31, 2007.10
.20.1***

Amendment No. 1, dated as of December 18, 2007, to the
    Amended and Restated Limited Liability Company Agreement of PVF
    Holdings LLC.




---



##### 



Exhibit Number

Description10
.20.2***

Amendment No. 2, dated as of October 31, 2009, to the
    Amended and Restated Limited Liability Company Agreement of PVF
    Holdings LLC.10
.21.1***

Amended and Restated Registration Rights Agreement of PVF
    Holdings LLC, dated as of October 31, 2007.10
.21.2***

Amendment No. 1 to the Amended and Restated Registration
    Rights Agreement of PVF Holdings LLC, dated as of
    October 31, 2009.10
.22*

Subscription Agreement, dated as of September 10, 2008, by
    and among McJunkin Red Man Holding Corporation, Andrew R. Lane,
    and PVF Holdings LLC.10
.23.1*

McJunkin Red Man Holding Corporation Nonqualified Stock Option
    Agreement, dated as of September 10, 2008, by and among
    McJunkin Red Man Holding Corporation, PVF Holdings LLC, and
    Andrew R. Lane.10
.23.2***

Amendment to the McJunkin Red Man Holding Corporation
    Nonqualified Stock Option Agreement, dated as of June 1,
    2009, by and among McJunkin Red Man Holding Corporation, PVF
    Holdings LLC, and Andrew R. Lane.10
.23.3***

Second Amendment to the McJunkin Red Man Holding Corporation
    Nonqualified Stock Option Agreement, dated as of
    September 10, 2009, by and among McJunkin Red Man Holding
    Corporation, PVF Holdings LLC, and Andrew R. Lane.10
.24.1***

McJunkin Red Man Holding Corporation Restricted Stock Award
    Agreement, dated as of February 24, 2009, by and among
    McJunkin Red Man Holding Corporation, PVF Holdings LLC, and
    Andrew R. Lane.10
.24.2***

Amendment to the McJunkin Red Man Holding Corporation Restricted
    Stock Award Agreement, dated as of June 1, 2009, by and
    among McJunkin Red Man Holding Corporation, PVF Holdings LLC,
    and Andrew R. Lane.10
.25***

Subscription Agreement, dated as of October 3, 2008, by and
    among McJunkin Red Man Holding Corporation, Len Anthony, and PVF
    Holdings LLC.10
.26.1***

McJunkin Red Man Holding Corporation Nonqualified Stock Option
    Agreement, dated as of October 3, 2008, by and among
    McJunkin Red Man Holding Corporation, PVF Holdings LLC, and Len
    Anthony.10
.26.2***

Amendment to the McJunkin Red Man Holding Corporation
    Nonqualified Stock Option Agreement, dated as of
    September 10, 2009, by and among McJunkin Red Man Holding
    Corporation, PVF Holdings LLC, and Len Anthony.10
.27***

McJunkin Red Man Holding Corporation Restricted Stock Award
    Agreement, dated as of September 10, 2009, by and among
    McJunkin Red Man Holding Corporation, PVF Holdings LLC, and Len
    Anthony.10
.28***

Subscription Agreement, dated as of October 30, 2009, by
    and among McJunkin Red Man Holding Corporation, John A. Perkins,
    and PVF Holdings LLC.10
.29***

McJunkin Red Man Holding Corporation Nonqualified Stock Option
    Agreement, dated as of December 3, 2009, by and among
    McJunkin Red Man Holding Corporation, PVF Holdings LLC, and John
    A. Perkins.10
.30***

Indemnification Agreement by and between the Company and Peter
    C. Boylan, III dated August 11, 2010.10
.31***

Loan, Security and Guarantee Agreement between McJunkin Red Man
    Corporation, Midfield Supply ULC and the other parties thereto.12
.1***

Computation of Ratio of Earnings to Fixed Charges.21
.1***

List of Subsidiaries of McJunkin Red Man Holding Corporation.23
.1****

Consent of Ernst & Young LLP, Independent Registered
    Public Accounting Firm.23
.2

Consent of Fried, Frank, Harris, Shriver & Jacobson
    LLP (included in Exhibit 5.1).23
.3

Consent of Jones, Walker, Waechter, Poitevent,
    Carrère & Denègre L.L.P. (included in
    Exhibit 5.2).23
.4

Consent of Bowles Rice McDavid Graff & Love LLP
    (included in Exhibit 5.3).




---



##### 



Exhibit Number

Description24
.1****

Powers of Attorney.25
.1***

Form T-1
    Statement of Eligibility under the Trust Indenture Act of
    1939 with respect to the Indenture governing the
    9.50% Senior Secured Notes due December 15, 2016.  
    +
    
    To be filed by amendment.*
    
    Incorporated by reference to Amendment No. 1 to the
    Registration Statement on
    Form S-1
    of McJunkin Red Man Holding Corporation
    (No. 333-153091),
    filed with the SEC on September 26, 2008.**
    
    Incorporated by reference to Amendment No. 2 to the
    Registration Statement on
    Form S-1
    of McJunkin Red Man Holding Corporation
    (No. 333-153091),
    filed with the SEC on October 31, 2008.***
    
    Incorporated by reference to the Registration Statement on
    Form S-4
    of McJunkin Red Man Corporation
    (No. 333-173035). 
  ****
    
    Previously filed with Registration Statement on
    Form S-1
    of McJunkin Red Man Corporation
    (No. 333-173037). 
  
    
    Management contract or compensatory plan or arrangement required
    to be posted as an exhibit to this report.