Markwest Energy Partners, L.P. operates in the Crude petroleum and natural gas sector. MarkWest Energy Partners, L.P. is a master limited partnership engaged in the gathering, processing and transportation of natural gas; the transportation, fractionation, storage and marketing of NGLs, and the gathering and transportation of crude oil. The Company conducts its operations in four geographic operating segments: Southwest, Northeast, Liberty and Gulf Coast. It operates in four segments: Southwest, Northeast, Liberty and Gulf Coast. On February 1, 2011, the Company acquired natural gas processing and NGL transportation assets from EQT Gathering, LLC. In December 2011, the Company acquired 49% interest in MarkWest Liberty Midstream & Resources, LLC held by Energy & Minerals Group (EMG). In
our complete report available for purchase the company is compared to: Regency Energy Partners L P, Quicksilver Resources Inc. and Whiting Petroleum Corporation.