Assembly Masters acquired by Bay Motor Products
- Auxo Investment Partners announced on May 9, 2025, its acquisition of Bay Cast Incorporated and Bay Cast Technologies, based in Bay City, Michigan.
- The acquisition involves Bay Cast, a leading company specializing in the production of complex steel castings and high-precision machining services for a variety of industries.
- Bay Cast’s state-of-the-art facility, skilled workforce, and leadership team, including Scott Holman, Max Holman, and Jason Holman, remain intact and retain significant ownership.
- Jeff Helminski, Managing Partner at Auxo, expressed enthusiasm about Bay Cast joining their expanding portfolio of high-quality manufacturing firms, emphasizing Bay Cast’s outstanding expertise and problem-solving capabilities.
- This partnership aims to support Bay Cast’s long-term growth and innovation through Auxo’s flexible capital model designed for family businesses and management teams at transition points.
14 Articles
14 Articles

Auxo Investment Partners Acquires Bay Cast Incorporated and Bay Cast Technologies, (collectively Bay Cast) partnering with the Holman family to continue and grow their legacy
BAY CITY, Mich., May 9, 2025 /PRNewswire/ -- Private investment firm Auxo Investment Partners announced today the acquisition of Bay Cast Incorporated (BCI) and Bay Cast Technologies (BCT), an integrated steel casting and precision machining company based in Bay City,…
Auxo Investment Partners acquires family-owned Bay City foundry
Auxo Investment Partners has acquired a family-owned Bay City foundry that specializes in manufacturing heavy steel components. The Grand Rapids-based investment firm closed April 18 on the deal for Bay Cast Inc. and Bay Cast Technologies, an integrated steel casting and precision machining company. The foundry serves the military, aerospace, energy, automotive,... Please login to read all 630 words.
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