The world Top 10 Global research organizations:

This article only gives the coverage of what are the organizations listed and how they maintain their stability in the global market. These Top 10 Organizations account for about one-thirds of the world spend through commercial firms for research purposes.

VNU NV based in New York and Haarlem, the Netherlands, is a public Company founded in 1964, and listed on the Amsterdam Stock Exchange.

Rob Ruijter, 54, is CFO and interim CEO of VNU NV.

TAYLOR NELSON SOFRES plc (TNS) in London was formed in December 1997, when Taylor Nelson AGB plc, a public company founded in 1965 and listed on the London Stock Exchange since 1986, acquired Sofres Group SA in Paris. In 2003, it acquired NFO WorldGroup.

David Lowden, 48, is chief executive of TNS. He earned a B.A. in Business Administration at University of Strathclyde in the United Kingdom.

IMS Health Inc. (IMS) in Fairfield, Conn., was founded in 1954; acquired by Dun & Bradstreet Corp. in 1986, and became part of a separate public company, Cognizant Corp., in November 1996. In July 1998, IMS was spun off into a publicly traded company listed on the New York Stock Exchange.

David Carlucci, 51, is chairman and CEO of IMS. He earned a B.A. in Political Science at the University of Rochester.

GfK AG, a public company based in Nuremberg, Germany, and established in 1934, comprises the operations GfK Group and NOP World acquired by GfK in August 2005.

Klaus L. W├╝bbenhorst, 50, is the CEO of GfK AG. He earned a Ph.D. from Technical University of Darmstadt, Germany.

The Kantar Group (TKG), based in Fairfield, Conn., and London, was founded in 1993 as the Information and Consultancy Division of WPP Group plc, a London-based public company.

Eric Salama, 45, is chairman and CEO of TKG. He earned an MSc at London’s Birkbeck College.

These ranks are given in revenue sharing model and the growth rate of the organization for the past five years. The remaining list will be updated soon