David Cesar

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.

Waco International Corp. provides architectural and ornamental metal works. The company also manufactures stationery metal scaffolds, ladders, step tools, scaffolding accessories and maintenance support equipment. Waco International was founded in 1996 and is headquartered in Cleveland, OH

JumpStart, Inc. is a non profit organization that supports entrepreneurial service organizations. The firm advises, invests in, assists and accelerates Northeast Ohio's early-stage ideas and companies. The company was founded in 2004 and is headquartered in Cleveland, OH.

Arthur Andersen LLP used to provide accounting services. It was also into consulting services for clients that operate businesses throughout the United States and around the world. Arthur Andersen was founded in 1913 and was headquartered in Chicago, IL.