Exhibit 21.1
List of Subsidiaries of MRC Global Inc.
McJunkin Red Man Corporation
Greenbrier Petroleum Corporation
Heaton Valves Limited
McJunkin de Angola, LDA
McJunkin Red Man Asia Pacific Limited
McJunkin Red Man Canada Ltd
McJunkin Red Man de Mexico, S. de R.L. de C.V.
McJunkin Red Man Development Corporation
McJunkin Red Man International Corp.
McJunkin Red Man International Services Corp.
McJunkin Red Man Servicios, S. de R.L. de C.V.
McJunkin Red Man UK Ltd
McJunkin Venezuela
Midfield Holdings (Alberta) Ltd
Midfield Supply ULC
Midway-Tristate Corporation
Milton Oil & Gas Company
MRC Management Company
MRC SPF East Asia Co. Ltd.
MRC SPF Europe Ltd.
MRC SPF Indonesia Pty Ltd.
MRC SPF Middle East Pty Ltd.
MRC SPF Pty Ltd.
MRC SPF Scanfit Ltd.
MRC Transmark (Dragon) Limited
MRC Transmark B.V.
MRC Transmark France SAS
MRC Transmark Group B.V.
MRC Transmark Holdings UK Ltd.
MRC Transmark International B.V.
MRC Transmark Italy srl
MRC Transmark Kazakhstan
MRC Transmark Leymas Valve. Co., Ltd.
MRC Transmark Limited (New Zealand)
MRC Transmark Limited (UK)
MRC Transmark Middle East FZE
MRC Transmark NV
MRC Transmark Pte Ltd.
MRC Transmark Pty Ltd (Aus.)
PT SPF Indonesia
Red Man Pipe & Supply International Limited
Ruffner Realty Company
SPF Europe s.r.l.
The South Texas Supply Company, Inc.
Transmark Fortim Engineering Pte. Ltd.
Transmark International Limited