Mark W. Dumars

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.

American Italian Pasta Co. produces and markets branded and private label dry pasta in North America with brands. The company was founded by Richard C. Thompson in 1986 and is headquartered in Oak Brook, IL.

PricewaterhouseCoopers LLC provides assurance, tax and advisory services. Its services include audit and assurance, consulting, deals, human resources, legal, tax, and family business. The firm also offers accountability, risk management, structuring, mergers and acquisitions, and performance and process improvement. The company was founded in 1998 and is headquartered in Buffalo, NY.

Equivest, Inc. provides investment brokerage services. The private company is based in Norristown, PA.

Cleveland Sight Center provides developmental, rehabilitation and vocational service to individuals who are blinds and visually impaired. It offers therapeutic recreation, caregivers and family, healthcare professionals, and adaptive technology. The company was founded in 1906 and is headquartered in Cleveland, OH.

Deloitte & Touche LLP engages in the provision of audit, advisory, financial advisory, tax, and consulting services. The company was founded on March 7, 1995 and is headquartered in New York, NY.