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MarkWest Energy Partners, L.P. Employee Directory

Oil and GasColorado, United States501-1000 Employees

MarkWest Energy Partners, L.P. is an oil and gas master limited partnership engaged in gathering, transportation, and processing of natural gas, as well as the transportation, fractionation, marketing, and storage of natural gas liquids, and the gathering and transportation of crude oil. The company operates extensive natural gas gathering, processing, and transmission facilities across the southwest, Gulf Coast, and northeast regions of the United States. It is based in Denver, Colorado, and serves as a wholly owned subsidiary of MPLX LP, the master limited partnership formed by Marathon Petroleum Corporation. The organization employs between 501 and 1,000 people and maintains online information at https://markwest.com.

Find MarkWest Energy Partners, L.P. employees' phone numbers or email addresses

MarkWest Energy Partners, L.P. Global Highlights

Location
Employees

North America
962

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  • United States Of America
    961
  • Canada
    1

Europe
4

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  • United Kingdom Of Great Britain And Northern Ireland
    4

Africa
2

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  • Algeria
    2

Asia
1

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  • India
    1

MarkWest Energy Partners, L.P.'s Leadership

  • Stylized image of a person
    H. W.
    Chief Executive Officer And President
    Phone icon
    Mobile Phone
  • Stylized image of a person
    D. C.
    Vice President Government Affairs
    Phone icon
    Mobile Phone
  • Stylized image of a person
    J. E.
    Vice President Engineering Northeast Region
    Phone icon
    Mobile Phone
  • Stylized image of a person
    R. A.
    Vice President Mergers And Aquisitions
    Phone icon
    Mobile Phone
  • Stylized image of a person
    D. E.
    President
    Phone icon
    Mobile Phone
  • Stylized image of a person
    M. E.
    President
    Phone icon
    Mobile Phone
  • Stylized image of a person
    V. S.
    President
    Phone icon
    Mobile Phone
  • Stylized image of a person
    M. H.
    Founder
    Phone icon
    Mobile Phone

MarkWest Energy Partners, L.P. Employee Metrics

100%
50%
0%
2026
2025
  • Civil Engineering & Construction
  • Accounting
  • Administrative
  • Community & Social Services
  • Manufacturing
  • Other
  • Healthcare Services

Contact profiles from MarkWest Energy Partners, L.P.

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    D. E.
    President
    Phone icon
    Mobile Phone
    Oct 22, 2024
  • Stylized image of a person
    D. D.
    Owner
    Phone icon
    Mobile Phone
    Oct 16, 2024
  • Stylized image of a person
    G. M.
    Owner
    Phone icon
    Mobile Phone
    Oct 21, 2024
  • Stylized image of a person
    H. W.
    Chief Executive Officer And President
    Phone icon
    Mobile Phone
    Oct 18, 2024
  • Stylized image of a person
    K. G.
    Owner
    Phone icon
    Mobile Phone
    Oct 23, 2024
  • Stylized image of a person
    M. E.
    President
    Phone icon
    Mobile Phone
    Oct 23, 2024
  • Stylized image of a person
    M. H.
    Founder
    Phone icon
    Mobile Phone
    Oct 21, 2024
  • Stylized image of a person
    M. C.
    Owner
    Phone icon
    Mobile Phone
    Oct 23, 2024
  • Stylized image of a person
    S. B.
    Owner
    Phone icon
    Mobile Phone
    Oct 16, 2024
  • Stylized image of a person
    V. S.
    President
    Phone icon
    Mobile Phone
    Oct 22, 2024

Frequently Asked Questions

What is MarkWest Energy Partners, L.P. known for?

Minus sign iconPlus sign iconMarkWest Energy Partners, L.P. operates in the Oil and Gas industry; you can contact the main corporate office by phone at
+1-303-925-****
. Explore MarkWest Energy Partners, L.P.'s company overview page for more information.

What is MarkWest Energy Partners, L.P.'s most common email format?

Minus sign iconPlus sign iconMarkWest Energy Partners, L.P. employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more MarkWest Energy Partners, L.P. email formats with LeadIQ.

How many employees does MarkWest Energy Partners, L.P. have currently?

Minus sign iconPlus sign iconMarkWest Energy Partners, L.P. has approximately 579 employees as of July 2026. These team members are located across 4 continents, including North AmericaEuropeAfrica.

Who are MarkWest Energy Partners, L.P.'s key employees and leadership?

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As of July 2026, MarkWest Energy Partners, L.P.'s key employees include:

  • Chief Executive Officer And President: H. W.
  • Vice President Government Affairs: D. C.
  • Vice President Engineering Northeast Region: J. E.
  • Vice President Mergers And Aquisitions: R. A.
  • President: D. E.

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