Mill Rock Packaging Acquires Keystone Paper & Box Company
Mill Rock Packaging Partners LLC announced that it has acquired Keystone Paper & Box Company, a leading specialty packaging company that manufactures custom folding cartons for consumer and healthcare end markets. Mill Rock Packaging, formed by Mill Rock Capital in 2020, is a growth-oriented specialty packaging company focused on leading design, innovation and technology, with strong operational capabilities and unparalleled customer service. The transaction marks Mill Rock Packaging's expansion to the Eastern U.S. and its fourth acquisition. In connection with the transaction, Keystone's leadership team has made a significant investment in Mill Rock Packaging. Management will remain with the company. Terms of the transaction were not disclosed.