The companies, which were acquired by WPP Group's Kantar Media in 2009, will be folded into their new respective divisions under the Kantar umbrella.
One division, Intelligence -- formerly known as TNS Media Intelligence -- will continue to provide strategic advertising and marketing information, as well as digital and social media intelligence services with Compete Cymfony and SRDS.
Another division, Audiences -- formerly known as TNS Media Research -- will continue to provide Internet, TV and radio audience measurement worldwide.
A third unit, TGI & Custom, will provide a network of syndicated single-source marketing and media studies that measure consumer product and brand consumption, attitudes and media usage, as well as custom research services.
Jean-Michel Portier, CEO of Kantar Media, stated: "This evolution to Kantar Media enables us to offer integrated media audience measurement, competitive intelligence and behavioral analytics at every step in the communications cycle, helping our clients to master momentum in a multimedia world."
Kantar Media offers media insights and audience measurement services in 50 countries, tracking more than 3 million brands to more than 22,000 customers around the world.