UPDATE: MRC Global Wins 5-Year Supplier Agreement By MarkWes By: Benzinga via Benzinga December 22, 2014 at 16:16 PM EST MRC Global Inc. (NYSE: MRC) announced today that MarkWest Energy Partners, L.P. (MarkWest) has awarded a pipe, valves and fittings ... Read More >> Related Stocks: Mrc Global Inc