Top 10 Infrastructure Capital Raises and Investors in the U.S. – August 1st – 31st, 2026
Several interesting transactions closed in the Infrastructure 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
- Hydrostor, an energy storage systems developer that provides grid-scale long-duration power management using advanced compressed air technology, received $230 million of development capital from Hatch, Baker Hughes, Social Finance, Realize Capital Partners, and other investors.
- USD Group, an infrastructure development services provider that offers logistics and midstream connectivity for energy producers and refiners, received development capital from Wittington Ventures.
Buyout/LBO
- Kentik, a network intelligence platform developer that provides real-time insights into complex network operations, acquired by Infoblox through an LBO.
- Maverick Water Group, an alternative non-potable water systems developer and operator that provides reliable water infrastructure in resource-constrained environments, acquired by Apollo Global Management through an LBO.
Later Stage VC
- EarthGrid, a plasma tunnel-boring technology developer that accelerates underground infrastructure excavation for utility grids, raised $52.84 million of venture funding from NW Angel and North 50 Venture Capital.
- Hubble Network, a satellite communications component manufacturer that enables Bluetooth devices to connect directly to satellite networks, raised $30 million of venture funding from Seraphim Space.
Early Stage VC
- AlpacaX, a cybersecurity platform developer that provides zero-trust server access for developers and DevSecOps teams, raised $100,000 of venture funding.
- Leeta Materials, an advanced ceramic materials manufacturer that produces durable, high-performance materials for demanding industrial applications, raised $150,000 of venture funding.
Seed Round
- Mendara Energy, an off-grid renewable power campus developer that provides dispatchable power for artificial intelligence and data center tenants, raised $230,000 of seed funding in the form of SAFE notes.
- My Autonomous Transportation, a charging and maintenance depot operator that provides infrastructure and services for autonomous vehicle fleets, raised $500,000 of seed funding.
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Axel Reijmers
Managing Director
Former Head of Corporate Finance M&A Americas for the Royal Bank of Scotland and ABN AMRO Bank, based in New York. Began his career at ABN AMRO Bank in Japan, and subsequently in The Netherlands in the Corporate Finance department. Was seconded to New York in 2006 to co-establish the ABN AMRO North America Corporate Finance M&A department and grew it by advising medium and large companies on domestic and cross-border mergers, acquisitions, capital raisings and capital structurings. Led the management buyout of RBS Bank Mexico and RBS Broker-Dealer Mexico in 2014 and spearheaded the subsequent growth of the bank as Head of Investment Banking & Corporate Development. During his tenure he supported companies with capital and financing solutions with a focus on companies in the US and Mexican energy infrastructure sector and fintech sector. Holds a master’s degree in economics from Groningen University, The Netherlands. Holds FINRA Series 7 and 63 licenses.
- Email: areijmers@castleplacement.com
- (C) (201) 747-4718
 Axel ReijmersManaging Director |
Please contact me if you have any questions or would like to discuss your capital raise:
Email: areijmers@castleplacement.com
(C) (201) 747-4718
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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.
