South Texas Supply S-4 Registration of securities issued in business combination transactions

Exhibit 3.11

State of Delaware

Secretary of State

Division of Corporations

Delivered 08:00 AM 02/14/2006

FILED 08:00 AM 02/14/2006

SRV 060136327 — 4109683 FILE

STATE of DELAWARE
CERTIFICATE of INCORPORATION
ASTOCK CORPORATION

• First:The name of this Corporation is McJunkin-West Africa Corporation

• Second:Its registered office in the State of Delaware is to be located at 615 South Dupont Highway, in the City of Dover County of Kent Zip Code 19901. The registered agent in charge thereof is Capitol Services, Inc.

Third:The purpose of the corporation is to engage in any lawful act or activity for which corporations may be organized under the General Corporation Law of Delaware.

•	Fourth:The amount of the total stock of this corporation is authorized to issue is 1,000 shares (number of authorized shares) with a par value of $1.00 per share.
•	Fifth:The name and mailing address of the incorporator are as follows:
	Name H.B. Wehrle, III Mailing Address 835 Hillcrest Drive                            Charleston, WV Zip Code 25311

• I, The Undersigned,for the purpose of forming a corporation under the laws of the State of Delaware, do make, file and record this Certificate, and do certify that the facts herein stated are true, and I have accordingly hereunto set my hand this 10^th day of February, A.D. 2006.

BY:	/s/ H.B. Wehrle, III(Incorporator)
NAME:	H.B. Wehrle, III
	(Type or print)