LeadIQ logo
Learn more at LeadIQ.com
MarkWest Energy Partners, L.P. logo

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
975

Minus sign iconPlus sign icon
  • United States Of America
    974
  • Canada
    1

Europe
4

Minus sign iconPlus sign icon
  • United Kingdom Of Great Britain And Northern Ireland
    4

Africa
2

Minus sign iconPlus sign icon
  • Algeria
    2

Asia
2

Minus sign iconPlus sign icon
  • India
    1
  • China
    1

MarkWest Energy Partners, L.P.'s Leadership

  • Chief Executive Officer And President at MarkWest Energy Partners, L.P.
    H. W.
    Chief Executive Officer And President
    Mobile Phone
  • Vice President Government Affairs at MarkWest Energy Partners, L.P.
    D. C.
    Vice President Government Affairs
    Mobile Phone
  • Vice President Engineering Northeast Region at MarkWest Energy Partners, L.P.
    J. E.
    Vice President Engineering Northeast Region
    Mobile Phone
  • Vice President Mergers And Aquisitions at MarkWest Energy Partners, L.P.
    R. A.
    Vice President Mergers And Aquisitions
    Mobile Phone
  • President at MarkWest Energy Partners, L.P.
    D. E.
    President
    Mobile Phone
  • President at MarkWest Energy Partners, L.P.
    M. E.
    President
    Mobile Phone
  • President at MarkWest Energy Partners, L.P.
    V. S.
    President
    Mobile Phone
  • Founder at MarkWest Energy Partners, L.P.
    M. H.
    Founder
    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
Location
Last Update
  • Measurement Foreman at MarkWest Energy Partners, L.P.
    R. L.
    Measurement Foreman
    Mobile Phone
    Apr 13, 2026
  • Operations Supervisor at MarkWest Energy Partners, L.P.
    C. G.
    Operations Supervisor
    Mobile Phone
    Jun 15, 2026
  • R Collections Manager at MarkWest Energy Partners, L.P.
    A. T.
    R Collections Manager
    Mobile Phone
    Oct 22, 2024
  • Plant Superintendent at MarkWest Energy Partners, L.P.
    A. S.
    Plant Superintendent
    Mobile Phone
    Oct 23, 2024
  • Manager at MarkWest Energy Partners, L.P.
    B. B.
    Manager
    Mobile Phone
    Oct 21, 2024
  • Accounting Manager at MarkWest Energy Partners, L.P.
    B. R.
    Accounting Manager
    Mobile Phone
    Oct 22, 2024
  • Manager Of Information Technology Service Desk at MarkWest Energy Partners, L.P.
    B. R.
    Manager Of Information Technology Service Desk
    Mobile Phone
    Mar 18, 2025
  • Environmental Manager at MarkWest Energy Partners, L.P.
    C. B.
    Environmental Manager
    Mobile Phone
    Oct 22, 2024
  • Shift Supervisor at MarkWest Energy Partners, L.P.
    C. R.
    Shift Supervisor
    Mobile Phone
    Oct 22, 2024
  • Manager Senior Environmental at MarkWest Energy Partners, L.P.
    C. T.
    Manager Senior Environmental
    Mobile Phone
    Oct 16, 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 MarkWest Energy Partners, L.P.'s 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 FLast@markwest.com. 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 578 employees as of August 2026. These team members are located across 4 continents, including North America, Europe and Africa.

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

Minus sign iconPlus sign icon

As of August 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.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

  • B2B data verified in real-time
  • Sync data to your CRM, & add it to an outreach sequence in one click
  • Integrations with your tech stack for optimal efficiency
  • A patented AI cold email generator
  • Account & contact-level job change tracking

Ready to create more pipeline?

Get a demo and discover why thousands of SDR and Sales teams trust
LeadIQ to help them build pipeline confidently.

© LeadIQ, Inc. All rights reserved.