Precision Concepts International (PCI), owned by The Sterling Group, has bought Comar, forming a scaled rigid packaging platform.
Financial details of the deal were not disclosed.
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The combined business will serve a wide range of customers in consumer and healthcare sectors.
Comar, established in 1949, makes rigid packaging for consumer and healthcare uses and manufactures plastic medical components.
PCI, based in Huntersville, North Carolina, also supplies specialty rigid packaging. It serves small and mid-sized brands in personal care, household, and food and beverage categories.
Evercore was financial adviser and Latham & Watkins was legal adviser to PCI.
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By GlobalDataGuggenheim Securities was financial adviser and Jones Day as legal adviser to Comar.
The Sterling Group, a private equity firm, has backed 76 platform buyouts and multiple add-on transactions, with a total deal value of more than $25bn.
It entered an agreement to acquire PCI in July 2025.
PCI CEO Ray Grupinski said: “The combination of PCI and Comar creates a powerful partnership that enhances our capabilities to provide industry-leading rigid packaging solutions and exceptional service.
“The acquisition enables PCI to offer an even broader range of products and services to deliver more value to our customers.”
PCI runs nine manufacturing plants in Canada, the US, and Costa Rica, employing roughly 1,200 people.
Comar operates nine US sites, with additional locations in Puerto Rico and Ireland.
PCI chairman Ken Swanson added: “Partnering with Comar will further accelerate the growth of the PCI platform. The combined company will benefit from enhanced geographic, customer, and end market diversification, and the acquisition marks an important step forward in our mission to build a specialty packaging leader.”
