Edward J. Grefenstette

Hodge Foundry, Inc. manufactures gray and ductile iron castings. It offers value-added services such as pattern-making, heat treating, painting, and machining services. The firm serves mining and minerals processing, wind power and renewable energy, fossil fuels, die casting, and conversions to ductile iron markets. The company was founded by E. W. Hodge in 1876 and is headquartered in Greenville, PA.

Commonwealth Capital Group LLC (Commonwealth Capital) is a private equity firm founded in 2000. The firm is headquartered in Pittsburgh, Pennsylvania.

Founded in 1983, PNC Capital Markets LLC is a registered broker/dealer located in Pittsburgh, Pennsylvania. The firm is a subsidiary of PNC Financial Services Group, Inc. (NYSE: PNC; NYSE: PNU; NYSE: PNC-PD). PNC Capital Markets offers a variety of customized banking, advisory and securities solutions. Their capital markets products and services include: ABS, corporate share repurchase programs, equipment finance solutions, equity and interest rate derivatives, foreign exchange, loan syndications, mergers and acquisitions, private placements, public finance and public market securities. PNC Capital Markets also provides public finance advisory services, securities underwriting and securities sales and trading. The firm is a member of FINRA and the SIPC.