Sylvie A. Bon

Oglebay Norton Co. LLC engages in mining, processing, transporting and marketing industrial minerals and aggregates. It provides aggregates and industrial minerals for applications in the building materials, environmental, energy and industrial markets. The company operates in three segments: Great Lakes Minerals, Global Stone and Performance Minerals. The Great Lakes Minerals segment mines and distributes limestone from facilities located in northern Michigan. The Global Stone segment supplies lime, crushed and ground limestone, construction aggregates and chemical limestone in the Great Lakes region. It's products are used as a filler in building materials, waste water treatment and soil stabilization and as an aggregate for construction of highways, shopping centers, hospitals and schools. Performance Minerals segment mines and processes industrial sands. The company was founded in 1854 and is headquartered in Cleveland, OH.

The Swagelok Co. develops and manufactures fluid system products. Its products include fittings, valves, hoses and flexible tubing, medium and high pressure products, regulators, measurement devices, tubing and tube accessories, filters, cylinders, miniature modular systems, pre-engineered sub-systems, welding systems, and leak detectors, lubricants and sealants. Its services include field engineering, custom solutions, purchasing and procurement, and plant maintenance. The company was founded by Fred A. Lennon in 1947 and is headquartered in Solon, OH.