Eric M. Ruttenberg

SPS Technologies, Inc. manufactures and markets fasteners, specialty metals, magnetic products, aerospace structures and precision tools. The company offers its products to the aerospace, transportation, power generation, racing, farm and construction industries. The company was founded in 1903 and is headquartered in Jenkintown, PA.

Tinicum Inc (Tinicum) is a private equity firm founded in 1974 by Derald H. Ruttenburg. The firm is headquartered in New York.

Cymer, Inc. engages in the development, manufacture, and marketing of light sources for the manufacturers of photolithography tools in the semiconductor equipment industry. It provides chip making process, light source, onpluse and data products and services. The company was founded by Robert P. Akins and Richard L. Sandstrom in 1986 and is headquartered in San Diego, CA.

Accuride Corp. manufactures commercial vehicle components. It manufactures and supplies commercial vehicle components in North America. Accuride products include commercial vehicle wheels, wheel-end components and assemblies, truck body and chassis parts, seating assemblies and other commercial vehicle components. It markets the products under some of the most recognized brand names in the industry, including Accuride, Gunite, Imperial, Bostrom, Fabco and Brillion. The company was founded in November 1986 and is headquartered in Evansville, IN.

Kollmorgen Corp. manufactures and distributes electronic motion control stabilized systems. Its products include automation platforms, drives, motros, linear motion systems, gearheads, vehicle controls, and accessories. The company was founded by Friedrich Kollmorgen on March 22, 1916 and is headquartered in Radford, VA.

Castleton Commodities International LLC provides commodities marketing and merchandising services. The firm markets physical commodities including natural gas, natural gas liquids, refined products, crude oil, fuel oil, freight, petrochemicals, electric power and coal and financial instruments related to commodities. The company was founded in 1997 and is headquartered in Stamford, CT.

Penn Engineering & Manufacturing Corp. engages in the provision of fastening solutions. It offers fasteners, micro fasteners, installation equipment, engineered plastics, brand rivet nuts, automotive structural solutions, automotive electronic solutions, electric vehicle solutions, bonding fasteners, inserts for plastics, cable tie-mounts, and small screw insertion system. The company was founded by Kenneth A. Swanstrom in 1942 and is headquartered in Donboro, PA.

PEM Holding Co. engages in the manufacture of fastening products. The company is headquartered in Danboro, PA.

Eagle Holdco LLC distributes auto parts. The company is headquartered in the United States.