Top 10 Oil & Gas Capital Raises and Investors in the U.S. – November 16th – December 31st, 2025
Several interesting transactions closed in the Oil & Gas sector over the past month. If you would like more info on these deals or would like to discuss the capital raising market for your company, please contact me.
Buyout/LBO
- Aquanty, a water resources science and technology firm that serves the agriculture, oil and gas and mining industries, acquired by Rocscience, via its financial sponsor TA Associates Management, through an LBO.
- Aquawolf, infrastructure engineering services that support power-delivery and natural-gas pipeline projects, was acquired by Qualus, via its financial sponsor New Mountain Capital, through an estimated $30 million LBO.
- Central Midstream Partners, midstream energy infrastructure and logistics services that transport and store crude oil, condensate, and natural gas, was acquired by Tailwater Capital through an LBO.
- D&D Global, power transmission products that serve the food and automotive industries, was acquired by Solve Industrial Motion Group, via its financial sponsor Audax Private Equity, through an LBO.
- Energy Projects Conference & Exhibition, event services that facilitate collaboration and knowledge sharing within the energy sector, was acquired by Easyfairs, via its financial sponsors Inflexion Private Equity Partners and Cobepa, through an LBO.
- Hanna Cylinders, precision-engineered hydraulic and pneumatic cylinders that support high-performance industrial applications, was acquired by Pelican Energy Partners through an LBO.
- Lettermen’s Energy Holdings, a propane distribution company that serves residential, industrial/commercial, agricultural and autogas customers across the United States, was acquired by Revelar Capital through an LBO.
- Sheffield Scientific, professional consulting services that serve utilities, energy, public sector, oil and gas, aerospace, and related industries, was acquired by Total Resource Management, via its financial sponsors 424 Capital, Eagle Private Capital and Plexus Capital, through an LBO.
Early Stage VC
- Alta Resource Technologies, a mining technology that enables the extraction of critical minerals from a diversity of feedstocks, raised $28.38 million through the combination of Series A venture funding.
- Atym, an edge orchestration technology that leverages device containerization to increase safety, security, and IP protection, raised $350,000 of venture funding.
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John Silvestri
Managing Director
Finance, strategy and capital markets executive. Originated structured and executed, as principal, agent and underwriter, over $4 billion of public and private, structured and project finance transactions. Industry expertise includes Energy and Power, Technology/Fintech/Digital, Sponsor, Transportation and Infrastructure, Consumer, Industrials and Agriculture, Banking, and Specialty Finance. Companies ranging from small to large, leveraged, high grade, venture, SPV’s and project finance. Transaction expertise across capital structure includes public and private bonds, equity, structured and direct investments, and unitranche. Leveraged finance includes senior/sub, bridge, acquisition, mezzanine, equity co-investment, and re-capitalizations. Previously, founder of an advisory and a direct investment business, Managing Director and Co-head of Investment Banking at Altamar Capital, and Director and Head of High Yield Capital Markets in New York for Barclays Capital. BS in Management from SUNY Buffalo. MBA from Fordham Gabelli Business School. FINRA Series 7 and 63 licenses.
- Email: jsilvestri@castleplacement.com
- (C) (203) 803-9861
 John SilvestriManaging Director |
Please contact me if you have any questions or would like to discuss your capital raise:
Email: jsilvestri@castleplacement.com
(C) (203) 803-9861
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Sources: Information on this page was derived from a variety of sources including Bloomberg, Company Websites, Crunchbase, PitchBook and other news outlets. Castle Placement® does not warrant or guarantee this information, nor makes any representations as to the accuracy of the information. For more Risks, see CPGO Risks and Disclaimers.
