Top 10 Oil and Gas Capital Raises and Investors in the U.S. – June 1st – 30th, 2026
Several interesting transactions closed in the Oil and 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.
PE Growth/Expansion
- Automated Production, a fabricated metal components company that manufactures industrial equipment and structural parts, received development capital from Prenn Holdings.
- Petro Peak Energy, an oil and gas company that operates onshore upstream energy assets, received development capital from Post Oak Energy Capital.
Buyout/LBO
- Great American Gas & Electric, an energy retailer that provides natural gas, electricity, and energy consulting services, acquired by Six One Commodities, via its financial sponsor Pinnacle Asset Management, through an LBO.
- Signal Peak Silica, a frac sand company that produces and supplies proppants for hydraulic fracturing operations, acquired by Iron Oak Energy.
Merger/Acquisition
- Cobra Venture, an oil and gas company that operates exploration and development activities for conventional crude production, acquired by Robinson Energy through a reverse merger.
- Brazos Midstream, a natural gas and crude oil company that operates gathering pipelines, processing facilities, and storage assets, acquired by Western Midstream Partners, a subsidiary of Anadarko Petroleum, for an estimated $1.6 billion.
Later Stage VC
- Låkril Technologies, a biomanufacturing technology company that develops bio-based industrial chemical production platforms, raised $470,000 of venture funding through a combination of debt and options.
- Terra AI, an analytics platform company that develops AI-powered subsurface resource modeling and drilling optimization software, raised $20 million of Series A venture funding in a deal led by Khosla Ventures.
Seed Round
- Mantle, a geothermal energy company that repurposes depleted oil and gas wells for power generation, raised $5 million of Seed-1 funding in a deal led by 17Shoals.
- Hestia Energy, an energy technology company that develops natural hydrogen exploration and resource discovery technologies, raised $12 million of seed 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.
