X0101 EFFECT 33 LIVE 2011-07-11 12:00:00

S-4

0001016497 McJunkin Red Man Corp 333-173035 0001514245 Greenbrier Petroleum Corp 333-173035-11 0001514246 McJunkin Nigeria Ltd 333-173035-10 0001514247 McJunkin-Puerto Rico Corp 333-173035-09 0001514248 McJunkin Red Man Development Corp 333-173035-08 0001439095 MCJUNKIN RED MAN HOLDING CORP 333-173035-07 0001514249 McJunkin-West Africa Corp 333-173035-06 0001514250 Midway-Tristate Corp 333-173035-05 0001514251 Milton Oil & Gas Co 333-173035-04 0001514252 MRC Management Co 333-173035-03 0001514253 Ruffner Realty Co 333-173035-02 0001514254 South Texas Supply Company, Inc. 333-173035-01