OverviewSuggest Edit

SemGroup is a midstream oil and gas company that moves energy safely through a network of pipelines, terminals and storage tanks. It provides gathering, transportation, processing, storage, distribution, marketing, and other midstream services primarily to independent oil and natural gas producers, refiners of petroleum products, and other market participants.

HQTulsa, OK, US
Employee Ratings3.6

Latest Updates

Employees (est.) (Dec 2018)880(-27%)
Job Openings13
Revenue (FY, 2018)$2.5 B(+21%)
Share Price (Dec 2019)$15
Cybersecurity ratingAMore
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Key People/Management at SemGroup

Carlin G. Conner

Carlin G. Conner

Robert N. Fitzgerald

Robert N. Fitzgerald

Timothy R. OSullivan

Timothy R. OSullivan

Vice President - Corporate Planning and Strategic Initiatives
Susan Lindberg

Susan Lindberg

VP, General Counsel
Thomas F. DeLorbe

Thomas F. DeLorbe

Vice President - Corporate Services
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SemGroup Office Locations

SemGroup has an office in Tulsa
Tulsa, OK, US (HQ)
6120 S Yale Ave
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SemGroup Financials and Metrics

SemGroup Revenue

SemGroup's revenue was reported to be $2.5 b in FY, 2018

Revenue (Q3, 2019)


Gross profit (Q3, 2019)


Gross profit margin (Q3, 2019), %


Net income (Q3, 2019)


EBIT (Q3, 2019)


Market capitalization (5-Dec-2019)


Closing stock price (5-Dec-2019)


Cash (30-Sept-2019)



SemGroup's current market capitalization is $1.2 b.
USDFY, 2011FY, 2012FY, 2013FY, 2014FY, 2015FY, 2016FY, 2017FY, 2018

Net Income


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Accounts Payable

USDQ2, 2011


0.4 x


0.2 x

Financial Leverage

1.9 x
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SemGroup Cybersecurity Score

Cybersecurity ratingPremium dataset



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SemGroup Online and Social Media Presence

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SemGroup News and Updates

Bragar Eagel & Squire, P.C. is Investigating the Board of Directors of SemGroup Corporation (NYSE: SEMG) on Behalf of SemGroup Shareholders and Encourages SemGroup Investors to Contact the Firm

NEW YORK, Sept. 16, 2019 /PRNewswire/ -- Bragar Eagel & Squire, P.C. is investigating potential claims against the board of directors of SemGroup Corporation (NYSE: SEMG) on behalf of SemGroup shareholders concerning the proposed merger with Energy Transfer LP. Click here to participate...

Energy Transfer Is Back to Dealmaking With SemGroup Buy

Energy Transfer Is Back to Dealmaking With SemGroup Buy

SemGroup (SEMG) Alert: Johnson Fistel Investigates Proposed Sale of SemGroup Corporation; Are Shareholders Getting a Fair Deal?

SAN DIEGO, Sept. 16, 2019 /PRNewswire/ -- Shareholder rights law firm Johnson Fistel, LLP has launched an investigation into whether the board members of SemGroup Corporation (NYSE: SEMG) ("SemGroup") breached their fiduciary duties in connection with the proposed sale of the Company to...

UPDATE 1-Energy Transfer to buy SemGroup for $1.35 bln, announces new pipeline

Oil and gas pipeline company Energy Transfer LP said on Monday it would buy smaller rival SemGroup Corp for $1.35 billion and build a 75-mile oil pipeline to strengthen its oil transportation, terminalling and export operations.

Energy Transfer to buy SemGroup for $1.35 bln

Energy Transfer LP said on Monday it would buy oil and gas pipeline owner SemGroup Corp for $1.35 billion in cash and stock, to strengthen its crude oil transportation, terminalling and export operations.

SemGroup to be Acquired by Energy Transfer in $5 Billion Transaction

SemGroup to merge with one of the largest, diversified midstream energy companies in North America
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SemGroup Frequently Asked Questions

  • When was SemGroup founded?

    SemGroup was founded in 2000.

  • Who are SemGroup key executives?

    SemGroup's key executives are Carlin G. Conner, Robert N. Fitzgerald and Timothy R. OSullivan.

  • How many employees does SemGroup have?

    SemGroup has 880 employees.

  • What is SemGroup revenue?

    Latest SemGroup annual revenue is $2.5 b.

  • What is SemGroup revenue per employee?

    Latest SemGroup revenue per employee is $2.8 m.

  • Who are SemGroup competitors?

    Competitors of SemGroup include Plains All American Pipeline, Kinder Morgan and Magellan Midstream Partners.

  • Where is SemGroup headquarters?

    SemGroup headquarters is located at 6120 S Yale Ave, Tulsa.

  • Where are SemGroup offices?

    SemGroup has an office in Tulsa.

  • How many offices does SemGroup have?

    SemGroup has 1 office.