NEW YORK — Private equity firm Aterian Investment Partners (Aterian) announced that one of its affiliates has acquired Pioneer Metal Finishing LLC (Pioneer).

Founded in 1945 and based in Green Bay, Wisconsin, Pioneer is the among the largest providers of outsourced anodizing, plating, hardcoat, adhesive, electroless nickel and other value-added surface-treating services in North America. Pioneer operates eight plants across North America serving approximately 3,500 customers across numerous end markets and service lines. Pioneer utilizes its expansive geographic presence and broad service offering to cross-sell to its customer base, a key advantage over smaller industry participants.