Top 10 Manufacturing Capital Raises and Investors in the U.S. – September 16th – 30th, 2025

Top 10 Manufacturing Capital Raises and Investors in the U.S. – September 16th – 30th, 2025

Several interesting transactions closed in the Manufacturing sector over the past two weeks. If you would like more info on these deals or would like to discuss the capital raising market for your company, please contact me.

PIPE

1. 1. Amaero, domestic high-value refractory alloy, titanium, and specialty alloy powders for additive and manufacturing components utilised by the defense, space, and aviation industries, received AUD 53 million of development capital.

Buyout/LBO

2. 2. Isto Biologics, orthobiologic medical devices, that supports bone healing and orthopedic procedures, acquired by Keensight Capital and its management through a $1 billion LBO.
   3. Pittsburgh Electrical Insulation, custom electrical insulation products that supports industrial and commercial applications, was acquired by EIS, via its financial sponsor Searchlight, through an LBO.

Merger/Acquisition

4. 4. Elite Packaging, packaging materials for automotive, consumer retail, distribution, food, manufacturing, and other industries, was acquired by Welch Packaging.
   5. K&T Steel, structural steel products built from domestically sourced materials serving contractors, builders, and business owners across a wide range of projects, was acquired by Mr. Keegan Graves and Mr. Bart Graves.

Later Stage VC

6. 6. NeXtGen Biologics, extracellular matrix biomaterial products that harness axolotl-derived extracellular matrix components for tissue regeneration, raised $130,000 of venture funding.

Early Stage VC

7. 7. Uviquity, semiconductor-based disinfection technology for pathogen elimination, raised $1.55 million of venture funding through a combination for convertible debt and SAFE notes.
   8. Electroflow Technologies, electrochemical technology that streamlines and decarbonize the lithium chemical supply chain, raised $10 million of venture funding in a deal led by Union Square Ventures.

Angel, Seed, and Grant

9. 9. Pre6, an artificial intelligence-powered platform that modernizes manufacturing processes, joined Peak XV Partners as part of its Surge cohort and received an estimated $3 million of seed capital in funding.
   10. Firehawk, a rocket engine technology that makes space transportation safe, reliable, and affordable, received $4 million of grant funding from AFWERX as a part of its DAF’s Open Topic SBIR/STTR program.

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Rebecca Lacy

Managing Director

Please contact me if you have any questions or would like to discuss your capital raise:

Email: rlacy@castleplacement.com

C: (212) 418-1181 | C: (573) 880-2974

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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.