MarkWest Energy Partners LP
| New York Stock Exchange: MWE
MarkWest Energy Partners LP is engaged in the business of gathering, processing and transportation of natural gas; the transportation, fractionation, storage and marketing of natural gas liquids; and the gathering and transportation of crude oil. It operates through four segments: Southwest, Northeast, Liberty and Utica. The Southwest segment includes the operations of processing facilities in Corpus Christi, Texas. The Northeast segment assets include the Kenova, Boldman, Cobb, Kermit and the Langley natural gas processing complexes, NGL pipeline and Siloam NGL fractionation facility. The Liberty segment engages in the gathering, processing and fractionation facilities of natural as. It provides natural gas midstream services in southwest Pennsylvania and northern West Virginia through MarkWest Liberty Midstream. The Utica segment provides fractionation services. It has operations in Ohio. The company was founded in January 2002 and is headquartered in Denver, CO.