MarkWest Energy

{{Short description|American natural gas company}}

{{notability|Companies|date=April 2014}}

{{Use mdy dates|date=September 2024}}

{{Infobox company

| name = MarkWest Energy Partners LP

| logo =

| type = Subsidiary

| traded_as =

| foundation = 1988{{cite web|url=https://finance.yahoo.com/q/pr?s=MWE |title=MWE Profile | MarkWest Energy Partners, LP Co Stock |publisher=Yahoo! Finance |date=December 31, 2012 |accessdate=March 23, 2014}}

| location = Denver, Colorado

| key_people = Frank M. Semple
(CEO)

| industry = Oil & gas refining and marketing

| revenue = {{profit}} US$ {{0|0}} 1.687 billion(2013) {{cite web|url=http://google.brand.edgar-online.com/displayfilinginfo.aspx?FilingID=9812584-300933-326925&type=sect&TabIndex=2&companyid=96125&ppu=%252fdefault.aspx%253fsym%253dMWE |title=Edgar Pro |publisher=Google.brand.edgar-online.com |date= |accessdate=March 23, 2014}}

| assets = {{profit}} US$ {{0|0}} 9.396 billion (2013)

| num_employees = 1139

| parent = MPLX LP ({{NYSE|MPLX}})

| homepage = {{URL| http://www.markwest.com/ }}

}}

MarkWest Energy Partners, L.P., a subsidiary of MPLX LP, is a natural gas gathering, processing and transportation company master limited partnership of the United States. In 1988, the company was founded in Denver, Colorado and grew to be Colorado's 13th largest company.{{cite news |last1=Miller |first1=Ben |title=MarkWest Energy to be acquired in giant $15.8B natural gas deal |url=https://www.bizjournals.com/denver/news/2015/07/13/markwest-acquired-in-giant-15-8b-natural-gas-deal.html |access-date=April 15, 2021 |work=www.bizjournals.com |date=July 13, 2015}} In 2015 it was acquired by MPLX, itself a subsidiary of Marathon Petroleum.{{cite news |last1=Ramirez |first1=Chris |title=Howard Energy Partners inks deal to buy Javelina gas facility in Corpus Christi |url=https://www.caller.com/story/news/local/2021/01/06/howard-energy-partners-buy-javelina-gas-facility-corpus-christi/4139286001/ |access-date=April 15, 2021 |work=Caller-Times |date=January 6, 2021}}