Firm at a glance
May River Capital is a platform private equity firm founded in 2012 and headquartered in Chicago, Illinois, per its own website [S1]. The firm reports approximately $1 billion in regulatory assets under management as of November 2025 [S1], with its most recent fund vintage dating to 2023 [S2].
What they buy
May River Capital’s portfolio demonstrates a concentration in industrial businesses, particularly engineered products, systems, and instrumentation companies, alongside advanced manufacturing and technical industrial services firms [S3]. The firm appears to pursue a buy-and-build strategy, establishing platform investments and subsequently adding complementary businesses. Recent activity shows the firm acquiring both new platforms and add-on acquisitions to existing portfolio companies across its industrial focus areas [S4].
Portfolio
Engineered Products, Systems, and Instrumentation
Akona (platform, acquired January 2025), Cashco (platform, acquired November 2024), Parameter (platform), Unibloc Hygienic Technologies (platform) [S3].
Technical Industrial Services
Tusk Industrial (platform, acquired April 2025), Industrial Flow Solutions (platform) [S3].
Advanced Manufacturing
Boston Centerless (platform, acquired November 2023), PaperTech (platform) [S3].
Recent activity (last 24 months)
* April 2026: Acquired 3B Controls as an add-on [S4]
* January 2026: Acquired Bake-Best Trays as an add-on [S4]
* April 2025: Acquired Global Pump Solutions (Tusk Industrial) [S4]
* January 2025: Acquired Advanced Material Processing and Automated Handling Solutions (Akona) [S4]
* December 2024: Acquired NDSL Group (Cellwatch) [S4]
* November 2024: Acquired Cashco [S4]
* June 2024: Exited NSL Analytical Services [S4]
How this firm fits a seller
May River Capital appears positioned for owner-operators in the industrial sector seeking a buyer with demonstrated sector expertise and a buy-and-build approach. The firm’s transaction history shows consistent add-on acquisition activity, with two add-ons completed in the trailing twelve months [S4], suggesting portfolio companies may benefit from consolidation opportunities post-acquisition. The June 2024 exit of NSL Analytical Services indicates the firm actively realizes investments [S4]. Sellers of engineered products businesses, advanced manufacturing operations, or technical industrial services companies may find sector alignment with May River’s existing portfolio focus [S3].
Sources
[S1] https://mayrivercapital.com (as of 2025-11-25)
[S2] https://mayrivercapital.com/news/ (as of 2023-07-11)
[S3] https://mayrivercapital.com/portfolio/ (as of 2025-11-25)
[S4] https://mayrivercapital.com/news/ (as of 2026-04-15)
Frequently asked questions
Does May River Capital buy Engineered Products, Systems, and Instrumentation businesses?
Yes, engineered products, systems, and instrumentation represents a core focus area for May River Capital based on publicly available portfolio information [S3]. The firm has established four platform investments in this sector, including Akona (January 2025), Cashco (November 2024), Parameter, and Unibloc Hygienic Technologies [S3]. Recent add-on acquisitions such as 3B Controls (April 2026) further demonstrate active investment in this category [S4].
What companies has May River Capital acquired recently?
May River Capital’s most recent platform acquisitions include Tusk Industrial in April 2025, Akona in January 2025, and Cashco in November 2024 [S3]. The firm has also completed add-on acquisitions including 3B Controls in April 2026 and Bake-Best Trays in January 2026 [S4].
Where is May River Capital based and how big is the firm?
May River Capital is based in Chicago, Illinois [S1]. The firm reports approximately $1 billion in regulatory assets under management as of November 2025 [S1], with its current fund vintage dating to 2023 [S2].
Is May River Capital still actively acquiring?
Yes, May River Capital appears actively acquiring based on recent transaction history. The firm completed its most recent disclosed acquisition in April 2026 with the add-on purchase of 3B Controls [S4], and has announced six acquisitions in the trailing 24 months through that date [S4].
This profile is maintained by CT Acquisitions as an independent third-party reference. CT Acquisitions is not affiliated with, endorsed by, or a representative of the firm profiled. All facts sourced from publicly available materials as of the dates cited.