The oilfield services industry in the US plays a critical role in oil and gas exploration and production. Comprising companies that supply equipment, technology, and specialized services, it streamlines operations for energy firms. Services range from drilling and completion to maintenance and logistics, ensuring efficient energy extraction. Currently, the industry is adapting to technological advancements and increasing environmental scrutiny. There's a growing focus on sustainability, with firms investing in technologies that reduce emissions and enhance efficiency, paving the way for a greener future while optimizing resource extraction.


This article highlights influential investors within the oilfield services sector, detailing a mix of private equity firms and corporate giants. Headquartered mainly in Texas and New York, these investors vary in size from small teams to large organizations with thousands of employees. Established between 1952 and 2008, they made significant investments in 2024, underscoring their commitment to improving oilfield efficiencies. Key players include Post Oak Energy Capital and Blackstone, showcasing a wealth of experience and strategic focus in this dynamic field.


Top 18 Oilfield Services Investors in the US


1. Kkr

  • Website: kkr.com
  • Type: Private Equity
  • Headquarters: New York, New York, United States (USA)
  • Founded year: 1976
  • Headcount: 1001-5000
  • Number of deals in 2024: 74
  • LinkedIn: kkr

KKR & Co. Inc. is a prominent investment firm based in New York, specializing in private equity, credit, infrastructure, and real estate. Founded in 1976, KKR has established itself as a global leader in asset management, providing tailored investment solutions to institutional investors and individual clients. The firm has a diverse portfolio, but it has also made significant strides in the oil and gas sector. Noteworthy transactions include the acquisition of Wyoming Enhanced Oil Recovery (EOR) assets in 2015, which highlights KKR's engagement in oil recovery technologies. Additionally, KKR acquired a majority stake in OEG Offshore Group in 2014, a company that provides support services to the oil and gas industry. Furthermore, KKR's acquisition of a majority stake in the Acteon Group in 2012, a subsea services provider, underscores its strategic investments in oilfield services. These transactions reflect KKR's capability and interest in the oil and gas sector, reinforcing its position as a significant investor in oilfield services.


2. Chevron

  • Website: chevron.com
  • Type: Corporate
  • Headquarters: Houston, Texas, United States (USA)
  • Founded year: 1999
  • Headcount: 10001+
  • Number of deals in 2024: 16
  • LinkedIn: chevron

Chevron Corporation is an energy company based in Houston, Texas, specializing in oil and natural gas exploration, production, and distribution. Founded in 1999, Chevron operates globally and is committed to sustainable practices to meet the world's energy demands. They provide a range of products, including transportation fuels, lubricants, and petrochemicals, while also investing in renewable energy solutions and carbon capture technologies. Notably, Chevron Technology Ventures has participated in funding rounds for Veros Systems, an industrial AI company, and led a $10 million funding round for Ziebel AS, a Norwegian oil services company. Furthermore, Chevron's recent acquisition of Hess Corporation for $53 million enhances its operations in key oil regions, reflecting its ongoing investment in the oil sector despite the evolving energy landscape.


3. EnCap Investments L.P.


EnCap Investments L.P. is a Houston-based private equity firm founded in 1988, specializing in providing growth capital to independent energy companies. With a focus on the upstream and midstream sectors, EnCap has raised over $40 billion and has a strong track record of successful investments in the energy industry. Notable transactions include an initial $350 million equity commitment to Grenadier Energy III, LLC, an upstream exploration and production company, and a $250 million investment in Verdun Oil Company. These investments highlight EnCap's commitment to supporting companies that are integral to the oilfield services sector, enhancing their operations and facilitating growth in the energy market.


4. SCF Partners

  • Website: scfpartners.com
  • Type: Private Equity
  • Headquarters: Houston, Texas, United States (USA)
  • Founded year: 1989
  • Headcount: 11-50
  • Number of deals in 2024: 4
  • LinkedIn: scf-partners

SCF Partners is a Houston-based private equity firm founded in 1989, specializing in the energy sector. The firm provides capital and strategic support to entrepreneurs and management teams, helping them build companies that deliver energy services, products, and technology. SCF Partners has a strong focus on driving innovation and transformation within the energy industry. Notably, they have been involved in several significant transactions in the oilfield services context, including the acquisition of Newpark Fluid Systems, a leading provider of oil and gas and geothermal fluids solutions, aimed at enhancing drilling and completions efficiency. They also acquired Nine Energy Service, which provides a range of services to the oil and gas industry, and Variperm (Canada), further emphasizing their commitment to the oilfield services sector. Through these investments, SCF Partners aims to create lasting value and support the growth of companies within the energy landscape.


5. Post Oak Energy Capital


Post Oak Energy Capital is a private equity firm based in Houston, Texas, founded in 2006. The firm specializes in investments within the energy sector, particularly focusing on upstream, midstream, and oilfield services. Post Oak Energy Capital partners with experienced management teams to provide growth capital and strategic support, aiming to create successful oil and gas businesses. Notable transactions include their investment in Bayou Well Services, which raised an undisclosed amount in 2011, and their commitment of $40 million to Core Minerals Management II, LP for corporate growth and acquisitions in 2012. Additionally, they invested $35 million in Maverick Brothers Energy in 2013, further demonstrating their active role in the oilfield services industry. Their focus on developing a diversified portfolio of middle market energy investments underscores their commitment to the sector.


6. Warburg Pincus LLC

  • Website: warburgpincus.com
  • Type: Private Equity
  • Headquarters: New York, New York, United States (USA)
  • Founded year: 1966
  • Headcount: 501-1000
  • Number of deals in 2024: 24
  • LinkedIn: warburg-pincus

Warburg Pincus LLC is a leading global private equity firm founded in 1966, based in New York, specializing in growth investments across various sectors, including healthcare, technology, and financial services. With over $83 billion in assets under management, the firm has a diverse portfolio of more than 225 companies worldwide. In the oilfield services context, Warburg Pincus has made notable investments such as $500 million in Apex International Energy and $300 million in Kosmos Energy Ltd., both of which are key players in the oil and gas sector. Additionally, their investment in Service Compression, LLC, which provides natural gas compression services, highlights their engagement in the oilfield services industry. Furthermore, their $500 million investment in Trident Energy further demonstrates their active role in supporting companies within the oil and gas exploration and production space.


7. Blackstone

  • Website: blackstone.com
  • Type: Private Equity
  • Headquarters: New York, New York, United States (USA)
  • Founded year: 1985
  • Headcount: 1001-5000
  • Number of deals in 2024: 57
  • LinkedIn: blackstonegroup

Blackstone Inc. is a prominent investment management firm based in New York, specializing in alternative investments. Founded in 1985, the firm offers a diverse range of services, including private equity, real estate, and credit solutions to both institutional and individual investors. Blackstone focuses on building strong businesses and delivering lasting value through its extensive portfolio and investment strategies. Among its notable transactions in the oilfield services sector, Blackstone acquired Ulterra Drilling Technologies for $700 million, a key player in the manufacturing of drill parts and downhole tools. Additionally, Blackstone has invested in Kosmos Energy Ltd., further solidifying its presence in the oil and gas industry. These transactions reflect Blackstone's strategic interest in the oilfield services market, making it a significant player in this sector.


8. Slb

  • Website: slb.com
  • Type: Corporate
  • Headquarters: Houston, Texas, United States (USA)
  • Founded year: 1926
  • Headcount: 10001+
  • Number of deals in 2024: 3
  • LinkedIn: slbglobal

Schlumberger NV (SLB) is a prominent corporate investor based in Houston, Texas, specializing in oilfield services. Founded in 1926, SLB provides advanced technology and solutions aimed at enhancing operational efficiency and promoting decarbonization within the oil and gas industry. Their clientele includes energy producers and organizations engaged in energy transition, who depend on SLB's expertise to improve performance and minimize emissions. Notably, SLB has been active in the acquisition space, with significant transactions such as the recent acquisition of ChampionX, which is expected to yield annual pre-tax synergies of approximately $400 million. Other relevant acquisitions include PetroAlliance Services in 2005, Peak Well Systems in 2017, and Virtual Materials Group in 2018, all of which reinforce SLB's strategic focus on enhancing its oilfield services portfolio.


9. First Reserve


First Reserve is an investment firm founded in 1983, based in Stamford, Connecticut, specializing in private equity and real asset strategies within the energy sector. With over 40 years of experience, First Reserve partners with management teams to drive growth and enhance value in energy, utility, and industrial markets. The firm has a strong focus on investing in companies that provide critical solutions in these industries. Notable transactions include the acquisition of Acteon Group in 2006, which offers subsea services to the oil and gas sector, and Navigator Energy Services in 2014, which supports crude oil gathering and transportation in Texas. Additionally, First Reserve's acquisition of Blue Racer Midstream in 2018 further emphasizes their commitment to the oil and gas infrastructure space, showcasing their active role in the oilfield services industry.


10. IFC - International Finance Corporation

  • Website: ifc.org
  • Type: Venture Capital
  • Headquarters: Washington, D.C., District Of Columbia, United States (USA)
  • Founded year: 1956
  • Headcount: 1001-5000
  • Number of deals in 2024: 107
  • LinkedIn: ifclinkedin

The International Finance Corporation (IFC) is a not-for-profit organization established in 1956, headquartered in Washington, D.C. It focuses on private sector development in emerging markets by providing investment, advisory, and asset management services to businesses and financial institutions. The IFC aims to foster economic growth and address poverty challenges in over 100 countries. Among its notable transactions in the oil and gas sector, the IFC acquired a 10% stake in Delonex Energy for $60 million as part of a larger $600 million funding round, highlighting its commitment to supporting energy exploration in Africa. Additionally, the IFC has invested in Apex International Energy and Citla Energy, further demonstrating its active role in the oilfield services industry. These investments reflect the IFC's strategy to promote sustainable development while engaging with the energy sector.


11. Morgan Stanley

  • Website: morganstanley.com
  • Type: Venture Capital
  • Headquarters: New York, New York, United States (USA)
  • Founded year: 1986
  • Headcount: 10001+
  • Number of deals in 2024: 79
  • LinkedIn: morgan-stanley

Morgan Stanley is a prominent investment bank and financial services firm founded in 1986, headquartered in New York, New York. With a workforce exceeding 10,000 employees, the firm offers a wide range of services including wealth management, investment banking, and capital markets. Morgan Stanley serves a diverse clientele, including individuals, families, corporations, and governments, helping them manage and grow their financial assets. In the context of oilfield services, Morgan Stanley Energy Partners has made notable investments, including a majority equity stake in Catalyst Energy Services, a provider of pressure pumping services to upstream oil and gas producers, and the acquisition of Catalyst Energy Construction. Additionally, they have invested in Presidio Petroleum, supporting its exploration and production activities in the U.S. These transactions highlight Morgan Stanley's strategic involvement in the oilfield services sector, showcasing their capability to provide tailored financial solutions to companies operating within this industry.


12. Plug and Play Tech Center


Plug and Play Tech Center is an innovation hub and venture capital firm based in Sunnyvale, California, founded in 2006. They connect startups with corporations to foster growth and innovation, offering various programs including accelerator initiatives and investment opportunities. In 2024 alone, they made 253 investments, showcasing their active role in the venture capital landscape. Notably, they have been involved in several transactions within the oilfield services sector, including multiple funding rounds for Onecor Services from Seed to Series C between 2017 and 2021, and a Pre-Seed round for Capwell Services in 2024. These transactions highlight their engagement with companies that operate in the oilfield services industry, indicating their relevance in this sector.


13. Nabors Industries

  • Website: nabors.com
  • Type: Corporate
  • Headquarters: Houston, Texas, United States (USA)
  • Founded year: 1952
  • Headcount: 10001+
  • Number of deals in 2024: 5
  • LinkedIn: nabors-industries

Nabors Industries Limited, founded in 1952 and based in Houston, Texas, is a leading drilling contractor specializing in oil and gas drilling services. The company offers a range of advanced drilling rigs and automation technologies aimed at improving efficiency and safety in drilling operations across multiple countries. In recent years, Nabors has made strategic acquisitions to bolster its position in the oilfield services market, including the acquisition of Tesco Corporation in 2017, which was valued at a premium to enhance its drilling capabilities. More recently, Nabors announced a definitive agreement to acquire Parker Wellbore, which is expected to close in early 2025, further solidifying its drilling solutions business. Additionally, the acquisition of PetroMar Technologies in 2018 demonstrates Nabors' ongoing commitment to expanding its technological and operational capabilities in the energy sector.


14. Intervale Capital


Intervale Capital is a private equity firm founded in 2006 and headquartered in Houston, Texas. The firm specializes in investing in and partnering with entrepreneurs and business owners across industrial, infrastructure, and environmental sectors. With a focus on building market leaders, Intervale Capital provides capital and strategic support to enhance growth and operational efficiency. Since its inception, the firm has raised significant capital and invested in over 50 companies. Notably, Intervale Capital has made several investments in the oilfield services sector, including Aegis Chemical Solutions, a Texas-based oilfield chemicals and water treatment business, which received investment to expand its presence in the Permian Basin and other major producing regions. Other relevant transactions include investments in Tier 1 Energy Solutions, Innovex Downhole Solutions, Epic Lift Systems, and Enercorp Sand Solutions, all of which are key players in the oilfield services industry. These investments highlight Intervale Capital's commitment to the energy sector and its role in supporting the growth of companies that provide essential services to oil and gas operations.


15. EnCap Flatrock Midstream


EnCap Flatrock Midstream is a private equity firm based in San Antonio, Texas, founded in 2008. The firm specializes in the midstream energy sector, providing growth capital and operational support to midstream management teams. Their investment strategy focuses on infrastructure investments, including pipelines and processing facilities, which are essential for the transportation and processing of oil and gas. Notable transactions include a $400 million investment in Ironwood II, a midstream services company, which is acquiring midstream assets in South Texas. They also invested $200 million in Vecino Energy Partners, and made significant commitments to Stakeholder Midstream ($250 million), Tall Oak Midstream ($100 million), and Aspen Midstream ($200 million). These investments highlight their active role in supporting companies that directly serve oil and gas producers, reinforcing their relevance in the oilfield services context.


16. Apollo Global Management, Inc.

  • Website: apollo.com
  • Type: Private Equity
  • Headquarters: New York, New York, United States (USA)
  • Founded year: 1990
  • Headcount: 1001-5000
  • Number of deals in 2024: 46
  • LinkedIn: apollo-global-management-inc

Apollo Global Management, Inc. is an asset management firm specializing in alternative assets and retirement solutions. Founded in 1990 and based in New York, the firm manages a diverse portfolio of investments across credit, private equity, and real assets, serving institutional investors, corporations, and individual clients seeking financial security and growth. Apollo's integrated platform focuses on empowering retirees and providing innovative capital solutions. In the oilfield services context, Apollo has made notable acquisitions, including Express Energy Services, which provides various services to the petroleum and energy industries, and Parallel Petroleum Corp., acquired for approximately $483 million. Additionally, they acquired Bold Productions Services in 2025, further emphasizing their active role in the oilfield services sector.


17. Energy Spectrum Capital


Energy Spectrum Capital is a private equity investment firm based in Dallas, Texas, founded in 1995. The firm specializes in energy infrastructure, focusing on midstream services, decarbonization, and power generation. Energy Spectrum partners with growth-oriented businesses in the energy sector to develop and manage infrastructure projects, aiming to drive long-term value for their partners and investors. Notably, they have been involved in significant transactions within the oilfield services context, such as their investment in Pinnacle Midstream II, which is dedicated to developing midstream infrastructure for oil and gas producers across North America. Other relevant investments include Rimrock Energy Partners and Tristate Midstream, both of which are engaged in the energy sector, further solidifying Energy Spectrum's role as a key player in oilfield services.


18. Goldman Sachs

  • Website: goldmansachs.com
  • Type: Private Equity
  • Headquarters: New York, New York, United States (USA)
  • Founded year: 1998
  • Headcount: 10001+
  • Number of deals in 2024: 59
  • LinkedIn: goldman-sachs

Goldman Sachs is a prominent investment bank and financial services firm based in New York, New York, founded in 1998. The firm provides a wide range of services including investment banking, asset management, and wealth management, catering to a diverse clientele that includes corporations, financial institutions, and individuals. In recent years, Goldman Sachs has been actively involved in the oilfield services sector, participating in significant transactions such as the debt financing of OEG Offshore Ltd, which raised approximately $138.8 million in October 2023, and Zakher Marine International, which secured $500 million in January 2022. Additionally, they were involved in the post-IPO equity raise for Swan Energy, amounting to $398 million in February 2024. Their historical investment in Petroleum Place and the substantial debt raised for Sasol further illustrate their engagement in the oil and energy sectors, reinforcing their role as a key player in oilfield services investments.



Oilfield Services Insights: Key Investors in the US


InvestorHeadquarterSizeFoundedDeals 2024
KkrNew York, New York, United States (USA)1001-5000197674
ChevronHouston, Texas, United States (USA)10001+199916
EnCap Investments L.P.Houston, Texas, United States (USA)51-20019881
SCF PartnersHouston, Texas, United States (USA)11-5019894
Post Oak Energy CapitalHouston, Texas, United States (USA)11-5020063
Warburg Pincus LLCNew York, New York, United States (USA)501-1000196624
BlackstoneNew York, New York, United States (USA)1001-5000198557
SlbHouston, Texas, United States (USA)10001+19263
First ReserveStamford, Connecticut, United States (USA)51-20019830
IFC - International Finance CorporationWashington, D.C., District Of Columbia, United States (USA)1001-50001956107
Morgan StanleyNew York, New York, United States (USA)10001+198679
Plug and Play Tech CenterSunnyvale, California, United States (USA)501-10002006253
Nabors IndustriesHouston, Texas, United States (USA)10001+19525
Intervale CapitalHouston, Texas, United States (USA)11-5020060
EnCap Flatrock MidstreamSan Antonio, Texas, United States (USA)11-5020080
Apollo Global Management, Inc.New York, New York, United States (USA)1001-5000199046
Energy Spectrum CapitalDallas, Texas, United States (USA)11-5019950
Goldman SachsNew York, New York, United States (USA)10001+199859


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