Christopher Hix

Empi, Inc. develops, manufactures and markets non-invasive medical devices and related accessories that are used by patients for at-home therapy. It provides products used for pain management, orthopedic rehabilitation and physical therapy. The company also provides physical therapy equipment and supplies to physicians, physical therapists and other healthcare professionals for use in their clinics. Empi was founded in 1977 by Donald D. Maurer and is headquartered in St. Paul, MN.

OM Group, Inc. is a technology-based industrial growth company. It engages in developing, producing and marketing chemicals, advanced materials and electrochemical energy storage products worldwide. The company operates through the following segments: Magnetic Technologies, Advanced Materials, Specialty Chemicals and Battery Technologies. The Magnetic Technologies segment is engaged in the development, manufacturing and distribution of industrial-use magnetic products and systems for electronic equipment markets, including the renewable energy, automotive systems, construction & mining and industrial sectors. The Advanced Materials segment manufactured inorganic products using unrefined cobalt and other metals and served the mobile energy storage, renewable energy, automotive systems, construction and mining and industrial end markets. The Specialty Chemicals segment develops, produces and supplies chemicals for electronic applications, industrial applications including coatings, composites and tire; and photomasks used by customers to produce semiconductors and related products. The Battery Technologies segment provides advanced batteries, battery management systems, battery-related research and energetic devices for defense, space and medical markets. The company was founded in 1991 and is headquartered in Cleveland, OH.

Robbins & Myers, Inc. designs, manufactures and markets engineered, application-critical equipment and systems for the energy, industrial, chemical and pharmaceutical markets. It operates through two segments: Energy Services and Process & Flow Control. The company was founded on APril 23, 1990 and is headquartered in Houston, TX.