McJunkin Red Man Corp. (MRC) announced the signing of a definitive agreement to acquire operations and assets from Dresser Oil Tools & Supply, as part of its strategic focus to increase its presence in the active shale basins across North America. The Dresser unit sells PVF, oilfield production and drilling supplies and related products. These assets generated net sales of approximately $12 million in 2009. Dresser Oil Tools & Supply operates four branch locations in North Dakota (Williston, Stanley, Tioga, Mohall) and one in Sidney, MT.