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On December 4, 2015, MPLX LP (NYSE: MPLX) and MarkWest Energy Partners closed on their previously announced merger and MarkWest is now a wholly owned subsidiary of MPLX.
MarkWest is 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.
| Company Name | MarkWest Energy |
| Business Category | Oil & Gas |
| Address | 1515 Arapahoe Street Tower 1, Suite 1600 Denver United States ZIP: 80202 |
| President | Frank Semple |
| Year Established | 2008 |
| Employees | 5000 |
| Memberships | NA |
| Hours of Operation | NA |
| Phone Number | Locked content | Subscribe to view |
| Fax Number | Locked content | |
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| Website | Locked content |
| Name | Position | Contact Details | Subscribe to view |
| *** | Chief Executive Officer | Locked content | |
| *** | Director, Investor Relations | Locked content | |
| *** | Manager, Investor Relations | Locked content |
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