LOS ANGELES, Oct. 14, 2025 /PRNewswire/ -- Vance Street Capital ("Vance Street"), a Los Angeles based private equity firm, today announced that it has partnered with Molded Rubber and Plastic Corporation ("MRPC"). This partnership supports MRPC's continued growth as a full-service medical device contract manufacturer, offering end-to-end capabilities across the medical device community with specialized expertise in silicone and thermoplastic molding solutions.

Founded in 1921 and headquartered in Butler, Wisconsin, with additional facilities in Hudson, New Hampshire, and Largo, Florida, MRPC is a family-owned, ISO 13485 certified contract manufacturer of medical devices, instruments, and disposables. With decades of expertise, MRPC provides end-to-end product lifecycle support, from design and development through manufacturing and finished device assembly, backed by vertically integrated capabilities in silicone molding, thermoplastic molding, multi-material molding, cleanroom assembly, packaging, sterilization management, and supply chain services.

Greg Riemer, President, CEO, and shareholder of MRPC, will continue to lead the business alongside the existing management team. "We are excited about the next chapter of growth and our partnership with Vance Street. For over 100 years, MRPC has grown into a leading medical device supplier through our expertise in materials and our willingness to take on challenging projects. Finding an investment partner that shared our vision for growth, capability, and capacity expansion while at the same time preserving our employee values was very important to us," said Greg Riemer.

"MRPC has developed a reputation for excellence in silicone molding, and we are excited to partner with the Company to support the ongoing buildout of additional capabilities and capacity to serve the medical and life science end markets," said Steve Sandbo, Partner at Vance Street. "This transaction is a great example of our strategy to partner with family-owned businesses in the MedTech design and manufacturing market. We look forward to partnering with Greg and the rest of the MRPC team during the Company's exciting next chapter of growth."

"MRPC's leadership team has built an organization with a strong culture of quality, technical expertise, and customer focus," said Matt Shemirani, Principal, Vance Street. "With the addition of MRPC, we are able to complement the current Vance Street MedTech portfolio of companies with additional technology and manufacturing capabilities to serve their valued customers further." 

Over the past several years, Vance Street has partnered with several other complementary businesses in the outsourced medical device manufacturing and service segment, including Motion Dynamics, ViaMed, Applied Plastics, Wytech Industries, Mountain Manufacturing Technologies, Plastic Design Company (PDC), Innovize, and Prince Sterilization Services.

The acquisition represents Vance Street's sixth platform investment from Vance Street Capital IV L.P. and its sixteenth investment in the medical and life sciences manufacturing space.

Paul Hastings LLP acted as legal advisor to Vance Street Capital. Piper Sandler & Co. acted as financial advisor and Godfrey & Kahn, S.C. served as legal advisor to MRPC. Debt financing for the transaction was provided by Churchill Asset Management LLC, Adams Street Partners, LLC, and Bank of Montreal. Terms of the transaction were not disclosed.

About MRPC

MRPC is a world-class, FDA-registered, and ISO 13485-certified full contract manufacturer of medical devices, instruments, and disposables. With comprehensive product lifecycle capabilities, including design for manufacturability, development, and manufacturing, MRPC serves as a turn-key manufacturing partner. With vertically integrated services spanning LSR & HCR silicone molding, thermoplastic molding, and rubber molding, cleanroom assembly and packaging, sterilization management, and supply chain support, it provides unmatched flexibility within the medical device industry.

About Vance Street Capital, LLC

Vance Street Capital is a middle-market private equity firm focused on investing in highly engineered solutions businesses across the industrial technology, medical, life science, aerospace, and defense sectors. Vance Street works with management teams and family owners to accelerate revenue growth, enhance operational performance, and acquire strategic assets for companies within their investment portfolio. For more information, please visit www.vancestreetcapital.com.

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Natalie Yates

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SOURCE Vance Street Capital