Jeffrey L. Elmer

Gunite Corp. manufactures wheel-end assemblies and components. Its products include brake drums, disc wheel hubs, rotors, spoke wheels, and automatic slack adjusters. The company was founded in 1854 and is headquartered in Rockford, IL .

TMB Industries LLC (TMB Industries) is a private equity firm founded in 1989 by Thomas Begel. The firm is headquartered in Chicago.

Heckethorn Manufacturing Co., Inc. manufactures metal exhaust hardware components. The company also designs solid rod, tubular, stamped components and welded assemblies for the automotive industries. The firm specializes in tube & solid rod forming, cold heading of both tube and rod, robotic & mig welding, and progressive stamping. Heckethorn Manufacturing was founded in 1939 and is headquartered in Dyersburg, TN.

General Motors Corp. (NYSE: GM), one of the world's largest automakers, was founded in 1908, and today manufactures cars and trucks in 34 countries. With its global headquarters in Detroit, GM employs 244,500 people in every major region of the world, and sells and services vehicles in some 140 countries. The company brands are Buick, Cadillac, Chevrolet, GMC, GM Daewoo, Holden, HUMMER, Opel, Pontiac, Saab, Saturn, Vauxhall and Wuling. GM's largest national market is the United States, followed by China, Brazil, the United Kingdom, Canada, Russia and Germany. GM's OnStar subsidiary is the industry leader in vehicle safety, security and information services. GM is the majority shareholder in GM Daewoo Auto & Technology Co. of South Korea, and has product, power train and purchasing collaborations with Suzuki Motor Corp. and Isuzu Motors Ltd. of Japan. GM also has advanced technology collaborations with Chrysler LLC, Daimler AG, BMW AG and Toyota Motor Corp. and vehicle manufacturing ventures with several automakers around the world, including Toyota, Suzuki, Shanghai Automotive Industry Corp. of China, AVTOVAZ of Russia and Renault SA of France. Genuine GM Parts and accessories are sold under the GM, GM Performance Parts, GM Good wrench and ACDelco brands through GM Service and Parts Operations, which supplies GM dealerships and distributors worldwide. GM engines and transmissions are marketed through GM Power train.

Whitley Products, Inc. supplied fabricated tubular products. The company was founded in 1942 and was headquartered in Warsaw, IN

Guard Hill Holdings LLC (Guard Hill Holdings) is a private equity firm founded in 1989. The firm is headquartered in Bedford, New York.

Valtris Specialty Chemicals Ltd. develops, manufactures and sells additives for the polymer and coatings industries. It offers additives, antioxidants, metal stearates and lubricants, light stabilizers, blowing agents, pigments, waxes, non phthalate plasticizers, polymeric plasticizers, processing aids, flame retardants and viscosity modifiers. The company was founded in 1937 and is headquartered in Manchester, the United Kingdom.