David Neil Schaaf

Ascade AB provides software and consultancy services in management and systems development. The company was founded by Jon Erik Simonsson and Martin Jansson and is headquartered in Stockholm, Sweden.

Part of CSG Systems International, Inc., Independent Technology Systems Ltd. provides telecommunication services. The company is based in Woking, UK.

The American Institute of Certified Public Accountants provides vocational education in accounting. The company provides services to the accounting community, regulatory bodies, and other organizations. It also operates in Jersey City, Washington, and Lewisville. It was founded in 1887 and is headquartered in New York City, NY.

Intec Telecom Systems Ltd. provides operational support system and business support system software to the telecommunications industry. The company was founded on February 22, 2000 and is headquartered in Woking, the United Kingdom.

Part of CSG Systems International, Inc., CSG Systems U.K. Ltd. is a British company founded in 2010 that provides subscriber management systems and services for cable television. The company is based in Woking, UK.

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.