Riverarch Equity Partners (“Riverarch”) and other investors, including Audax Strategic Capital, The Hillman Company, Lacy Diversified, and PPM America, together with their portfolio company TCP Analytical, are pleased to announce the acquisition of Critical Process Filtration, Inc. (“Critical Process Filtration,” “CPF,” or the “Company”), a leading provider of pleated filtration products.

Headquartered in Nashua, New Hampshire, Critical Process Filtration is a leading designer and manufacturer of pleated filtration products, including cartridges, capsules, and micro-capsules, as well as tested, charged, and pre-sterilized filters, engineered for high-purity applications. Operating from an 89,000-square-foot facility, CPF’s products are assembled in ISO 9001-certified cleanroom environments and backed by rigorous quality assurance and lot traceability. Since its founding in 1998 by Kristen Ramalho and Fred Arbogast, CPF has earned a reputation for engineering-driven customization, reliable performance, and exceptional technical support, serving biopharma, biotechnology, medical device, and industrial customers worldwide.

Al Jurgela, Chief Executive Officer of TCP Analytical, commented, “We are thrilled to partner with Critical Process Filtration. The company will serve as TCP’s flagship filtration business, marking our entry into a highly attractive and complementary sector. We have been thoroughly impressed by the CPF team’s market leadership, loyal customer base, and superior value proposition. Together, we look forward to accelerating CPF’s growth trajectory by leveraging TCP’s strong capabilities in high purity life science chemicals to help them accelerate growth with pharma and biopharma customers, further expanding the solid footing they already have in these markets and driving new opportunities for both organizations.”

Kristen Ramalho, President and Co-Founder of Critical Process Filtration, stated, “We are delighted to partner with TCP and begin this next chapter for CPF. Their commitment to preserving our company’s legacy and values was clear from the start, and we believe this combination will position CPF for continued innovation and growth. With TCP’s support and resources, we look forward to expanding our reach, accelerating new product development, and continuing to deliver the quality and technical expertise our customers have come to expect.”

TCP Analytical is an integrated manufacturer and distributor of specialty chemicals and consumable products to the life sciences and general industrial markets. TCP Analytical’s comprehensive product portfolio supports customers’ critical testing and production processes through innovative custom solutions, reliable performance, and exceptional customer service.

Riverarch Equity Partners is a middle market private equity firm that invests in market-leading companies where it can partner with management to support accelerated growth. Riverarch is based in Pittsburgh, Pennsylvania.