William Keith Harper

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.

KPMG LLP engages in the provision of audit, tax, and advisory services. It serves the banking and capital markets, building, construction and real estate, consumer and retail, energy, natural resources and chemicals, financial services, government and public sector, healthcare and life sciences, industrial manufacturing, insurance, media and entertainment, private equity, technology, telecommunications, and venture capital industries. The company was founded in 1987 and is headquartered in New York, NY.

Cablevision Systems Corp. owns and operates cable television systems It operates through two reportable segments: Cable and Lightpath. The Cable segment consists of video, high-speed data, and voice over Internet protocol services. The Lightpath segment provides Ethernet-based data, Internet, voice and video transport and managed services to the business market in the New York metropolitan area. The company was founded by Charles Francis Dolan in 1973 and is headquartered in Bethpage, NY.