List of the Largest Acquired Energy Services and Equipment Companies in Oklahoma

Name	Sector	Revenue $mlns	M&A Activity			Last 5 Years
Name	Sector	Revenue $mlns	Total	Buy	Sell	Last 5 Years
ONEOK Partners L.P. Acquired ONEOK 2017-02-01 $17.2B Tulsa, Oklahoma, United States website	Energy Services and Equipment	7,761	3	3	-
Williams Partners LP Acquired Williams 2018-08-10 Tulsa, Oklahoma, United States website	Energy Services and Equipment	7,331	4	4	-
Magellan Acquired ONEOK 2023-05-14 $18.8B Tulsa, Oklahoma, United States website	Energy Services and Equipment	3,200	2	1	1
SemGroup Corp. Acquired Energy Transfer 2019-09-16 $5.1B Tulsa, Oklahoma, United States website	Energy Services and Equipment	2,503	6	5	1
Seventy Seven Energy, Inc. Acquired Patterson-UTI 2017-04-20 Oklahoma City, Oklahoma, United States website	Energy Services and Equipment	2,080	2	1	1
Rose Rock Midstream LP Acquired SemGroup Corp. 2016-05-31 Tulsa, Oklahoma, United States website	Energy Services and Equipment	845	3	3	-
The Pipeline + Energy Expo Acquired PennWell Corp. 2016-03-22 Tulsa, Oklahoma, United States website	Energy Services and Equipment	-	-	-	-
Laredo Petroleum - Anadarko Basin Assets Acquired EnerVest, Ltd. 2013-05-21 $438M Tulsa, Oklahoma, United States	Energy Services and Equipment	-	-	-	-
Anchor Drilling Fluids Acquired Calumet 2014-03-26 $235M Tulsa, Oklahoma, United States website	Energy Services and Equipment	-	2	2	-
Cimarron Acid & Frac LLC Acquired Quintana Energy Services, Inc. 2015-01-22 Fairview, Oklahoma, United States website	Energy Services and Equipment	-	-	-	-
American Measurement Services LLC Acquired SPL 2017-09-12 Meno, Oklahoma, United States website	Energy Services and Equipment	-	-	-	-
SemGroup Corp. - Crude Oil Assets Acquired Rose Rock Midstream LP 2015-02-09 $325M Tulsa, Oklahoma, United States	Energy Services and Equipment	-	-	-	-
Venture Pipe and Supply Acquired Federal Steel Supply 2024-10-31 Lindsay, Oklahoma, United States website	Energy Services and Equipment	-	-	-	-
DynaFlo Artificial Lift Systems Acquired Accelerated 2013-06-27 Skiatook, Oklahoma, United States	Energy Services and Equipment	-	-	-	-
Chesapeake Energy Corp - Crude Oil Trucking Assets Acquired Rose Rock Midstream LP 2014-06-24 Oklahoma City, Oklahoma, United States	Energy Services and Equipment	-	-	-	-
Bayard Drilling Technologies, Inc. Acquired Nabors 1999-04-07 Oklahoma City, Oklahoma, United States	Energy Services and Equipment	-	-	-	-

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