Private-equity firm Auxo Investment Partners has bought a controlling interest in Warren-based Prestige Stamping Inc., a manufacturer of custom-engineered stampings for the fastener industry, Crain’s Detroit Business reports. Terms were not disclosed.

The Rink family, which owned Prestige, reportedly retains some ownership. CEO Chris Rink will remain in that role, according to Crain’s.

Founded in a Detroit garage in 1967, Prestige Stamping operates a 100,000 sq ft facility in Warren, MI. The company produces high-volume, tight-tolerance washers and similar small stampings and manufactures more than 1 billion washers and metal stampings annually for more than 200 customers for automotive, infrastructure and construction, agricultural, and electronics markets. Materials stamped include aluminum, brass, bronze, copper, low and high carbon steels as well as high strength, pre-tempered and stainless steels with a thickness rance of .020″ through .375”. Web: PrestigeStamping.com

“We were immediately impressed with Prestige and by the tenacity with which the company pursues process improvement, quality and growth,” said Auxo’s managing partner Jack Kolodny.

Auxo Investment Partners is based in Grand Rapids, MI. Web: AuxoPartners.com