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MarkWest Energy Partners Overview

MarkWest Energy Partners, L.P. is a wholly owned subsidiary of MPLX LP, 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.
The staff at MarkWest Energy Partners come from unusually diverse demographic backgrounds. The company is 24.9% female and 26.2% ethnic minorities. Even though it has great demographic diversity, MarkWest Energy Partners notably lacks in political diversity. It has an unusually high proportion of employees who are members of the Republican Party, at 76.9%. Despite having coworkers who agree with each other about politics, employees at MarkWest Energy Partners tend to have relatively short tenures. Staff members usually stay with the company for 2.0 years.
A large utilities company with 1,139 employees and an annual revenue of $1.7B, MarkWest Energy Partners is headquartered in Denver, Colorado.







Founded in



Denver, CO


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The Team At MarkWest Energy Partners

Key People

    Frank Semple (CEO)

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MarkWest Energy Partners Rankings

MarkWest Energy Partners is ranked #84 on the Best Transportation Companies to Work For in America list. Zippia's Best Places to Work lists provide unbiased, data-based evaluations of companies. Rankings are based on government and proprietary data on salaries, company financial health, and employee diversity.

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MarkWest Energy Partners Careers

On average, employees at MarkWest Energy Partners stay with the company for 2.1 years. Employees most commonly join MarkWest Energy Partners after leaving Duke Energy. When they leave MarkWest Energy Partners, they most frequently get their next job at Encana.

Average Length of Employment
DCP Midstream3.8 years
ONEOK3.4 years
Kinder Morgan3.2 years

MarkWest Energy Partners

2.1 years
Top Employers Before MarkWest Energy Partners
Comcast7.3 %
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Top Employers After MarkWest Energy Partners
Encana10.6 %
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MarkWest Energy Partners Employee Demographics

Diversity Score
We calculated the diversity score of companies by measuring multiple factors, including the ethnic background, gender identity, and language skills of their workforce.

MarkWest Energy Partners Employees Education

Of the 1,139 employees at MarkWest Energy Partners, 16.3% attended Regis University. Employees at MarkWest Energy Partners most frequently majored in Business, and most employees’ highest level of education is a Bachelors.

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MarkWest Energy Partners Financial Performance

Performance Score
We calculated the performance score of companies by measuring multiple factors, including revenue, longevity, and stock market performance.


> $1B

Founded in


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MarkWest Energy Partners Competitors

Frequently Asked Questions about MarkWest Energy Partners

How many Employees does MarkWest Energy Partners have?

MarkWest Energy Partners has 1,139 employees.

How much money does MarkWest Energy Partners make?

MarkWest Energy Partners generates $1.7B in revenue.

What industry is MarkWest Energy Partners in?

MarkWest Energy Partners is in the transportation industry.

What type of company is MarkWest Energy Partners?

MarkWest Energy Partners is a public company.

Who are MarkWest Energy Partners's competitors?

MarkWest Energy Partners competitors include ONEOK, Kinder Morgan, DCP Midstream, Chesapeake Energy, Targa Resources, Signet Maritime, Kenco Group, Performance Team, Materials Processing, Trinity Industries, APM Terminals North America, US Environmental, RailAmerica, Serco, Atlas Air, Maher Terminals, Horizon Lines Holding, Sms Holdings, Pasha Group, Peoples Services.

Who works at MarkWest Energy Partners?

Frank Semple (CEO)

Where is MarkWest Energy Partners's headquarters?

MarkWest Energy Partners's headquarters is in Denver, CO.

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Updated May 18, 2020

Zippia gives an in-depth look into the details of MarkWest Energy Partners, including salaries, political affiliations, employee data, and more, in order to inform job seekers about MarkWest Energy Partners. The employee data is based on information from people who have self-reported their past or current employments at MarkWest Energy Partners. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions, or for the results obtained from the use of this information. The data presented on this page does not represent the view of MarkWest Energy Partners and its employees or that of Zippia.

MarkWest Energy Partners may also be known as or be related to MARKWEST ENERGY PARTNERS LP, MarkWest Energy, MarkWest Energy Partners, MarkWest Energy Partners LP, MarkWest Energy Partners, L.P. and MarkWest Hydrocarbon Inc.