American Industrial Partners (AIP), a middle-market private equity firm, announced it has acquired the U.S. operating subsidiaries of Hampson Industries. The transaction marks the fund’s fifth investment in 2012 and will be made out of American Industrial Partners Capital Fund V, AIP’s $717.5 million fund that closed in December 2011.

AIP Aerospace, with approximately 1,140 employees and ten manufacturing facilities located in California, Michigan and Texas, has developed unique product offerings and capabilities to serve the global aerospace market.

The investment is comprised of five operating divisions with a total of approximately $210 million in sales: three developers of complex metallic and composite aerospace molds, mandrels, assembly jigs and fixtures – Odyssey Industries, Global Tooling Systems and Coast Composites and two manufacturers of aero-structure and composite components – Composites Horizons and Texstars.