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Sem Group history
Sem Group company history timeline
SemGroup LP was founded in 2000.
In July 2007, the company established a publicly traded affiliate, SemGroup Energy Partners LP.
In 2007, it was the 18th largest private company in the US.
On February 11, 2009 Catsimatidis was sued by a group of SemGroup executives, seeking removal of Catsimatidis and his allies from the committee.
In November 2009, Vitol acquired the general partner of Blueknight.
McDaniel served as a director of SemGroup since 2009.
In October 2010, Vitol added Charlesbank Capital Partners as a second general partner; this led to public charges, by an investment fund associated with billionaire Michael Dell, that the transaction was improper self-dealing intended to take money from Blueknight's existing limited partners.
SemGroup Corporation's common stock was listed on the New York Stock Exchange on November 11, 2010.
President and CEO Carlin G. Conner was named to the company's top role effective April 1, 2014.
Thomas R. McDaniel became chairman of the SemGroup board of directors on January 1, 2017.
In July 2017, the company acquired one of the largest oil terminals in the United States for over $2 billion.
In March 2018 the company sold its Mexican asphalt business to Ergon, Inc. for $72 million.
In December 2019, the company was acquired by Energy Transfer LP.
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Sem Group competitors
| Company name | Founded date | Revenue | Employee size | Job openings |
|---|---|---|---|---|
| American Petroleum Institute | 1919 | $229.7M | 250 | 10 |
| The Williams Companies | 1908 | $10.5B | 5,425 | 289 |
| Helmerich & Payne | 1920 | $2.8B | 9,777 | 37 |
| Atlantic Richfield Company Inc | 1866 | - | 15,106 | - |
| Spectra Energy | 1999 | $4.9B | 5,700 | - |
| Kinder Morgan | 1997 | $15.1B | 11,012 | 243 |
| Cameron Welding Supply | 1963 | $8.8B | 35,000 | - |
| Energy Transfer Solutions | 2003 | $8.5M | 75 | 11 |
| Octagon 88 Resources | - | - | - | - |
| Koch Industries | 1940 | $115.0B | 100,000 | 47 |
Sem Group history FAQs
Zippia gives an in-depth look into the details of Sem Group, including salaries, political affiliations, employee data, and more, in order to inform job seekers about Sem Group. The employee data is based on information from people who have self-reported their past or current employments at Sem Group. The data on this page is also based on data sources collected from public and open data sources on the Internet and other locations, as well as proprietary data we licensed from other companies. Sources of data may include, but are not limited to, the BLS, company filings, estimates based on those filings, H1B filings, and other public and private datasets. 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. None of the information on this page has been provided or approved by Sem Group. The data presented on this page does not represent the view of Sem Group and its employees or that of Zippia.
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