Mill Rock Packaging Acquires Keystone Paper & Box Company
Mill Rock Packaging announced that it has acquired Keystone Paper & Box Company (“Keystone”), a specialty packaging company that manufactures custom folding cartons for consumer and healthcare end markets. The transaction marks Mill Rock Packaging’s expansion to the Eastern U.S. and its fourth acquisition. Keystone’s leadership team has made a significant investment in Mill Rock Packaging in connection with the transaction. Management will remain with the company. Terms of the transaction were not disclosed.
Keystone, based in South Windsor, Connecticut, and founded in 1944, is a high-end paperboard packaging company focused on premium, multi-SKU, design-intensive packaging solutions and related services, including product engineering, prototyping and production. The company’s core offerings span a broad range of high-performance, sustainable, customized folding cartons for food and beverages, pharmaceuticals, health and beauty and other daily-use products. The company operates a state-of-the-art production facility with substantial capacity for growth.
“I am very proud of what we’ve achieved at Keystone since our founding by my grandfather,” said Jim Rutt, president of Keystone. “Through our partnership with Mill Rock Packaging, our customers will gain access to high-quality production facilities in the Midwest and West Coast. I am delighted that Mill Rock Packaging shares our commitment to quality, integrity and service, and I look forward to future growth leveraging our combined resources.”
Keystone marks the platform’s initial expansion to the East Coast and will integrate with Mill Rock Packaging’s other operations in the West and Midwest. The combined company will operate six production facilities offering design-intensive and sustainable paperboard packaging to an attractive range of daily needs-driven consumer markets.
Mill Rock Packaging Chief Executive Officer Allen Ennis stated, “We welcome the customers, suppliers and associates of Keystone to Mill Rock Packaging. We look forward to accelerating growth across the platform with Keystone as our flagship East Coast production and service center, supported by continued investment into its team and capabilities.”
“This is a highly strategic transaction that enables us to serve our customers from coast to coast, fulfilling Mill Rock’s initial vision to create a national consumer packaging powerhouse,” added Mill Rock Packaging Vice Chairman and Mill Rock Capital Senior Partner Bob Feeser. “We are excited to work with the Keystone team to advance our vision of a unified, national, specialty packaging growth platform.”
Alvarez & Marsal, White & Case LLP, and FINNEA Group advised Mill Rock Packaging on the transaction. Ben Markens advised Keystone Paper & Box.
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