Both companies are affiliates of Sumitomo Electric Industries (SEI) and part of SEI Sintered Metal Components Division. The merged entity will be called Keystone Powdered Metal Company.
Keystone was founded as a private company in 1927 and is headquartered in St. Marys, Pennsylvania, with satellite plants in Lewis Run, PA and Cherryville, NC. Keystone was acquired by Sumitomo Electric Industries in 2016.
ESC is located in Troutman, NC, and started in 1989 as a joint venture between Sumitomo Electric and Eaton Corporation for automotive valve train component manufacturing.
“The synergies of the two companies led us to the decision to pursue the merger,” said KPMC president Michael Stauffer. “Today’s KPMC product mix slants heavily toward large tonnage highly engineered transmission components while ESC is more focused on high precision engine components. We believe our customers will derive significant value from this merger.”
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