Kantar is the Data Investment Management division of WPP, and one of the world's largest insight, information and consultancy groups. It was founded in 1993 and consists of a network of 12 specialized operating brands, with around 30,000 employees working in 100 countries in various research, insight and consultancy disciplines. Wikipedia*
On the C-SPAN Networks:
The Kantar Media has 1 videos in the C-SPAN Video Library; the first program was in a 2013, Public Opinion Polls.