<Tr> <Td> National Amusements </Td> <Td> (CBS) Holdings include: CBS Television Network and the CW (a joint venture with Time Warner), cable networks CBS Sports Network, Showtime, Pop; 30 television stations; CBS Radio, Inc., which has 130 stations; CBS Television Studios; book publisher Simon & Schuster . <P> (Viacom) Holdings include: MTV, Nickelodeon / Nick at Nite, TV Land, VH1, BET, CMT, Comedy Central, Logo TV, Spike, Paramount Pictures, and Paramount Home Media Distribution . </P> <P> see: List of assets owned by CBS, List of assets owned by Viacom . </P> </Td> <Td> $27.15 billion </Td> </Tr> <P> (Viacom) Holdings include: MTV, Nickelodeon / Nick at Nite, TV Land, VH1, BET, CMT, Comedy Central, Logo TV, Spike, Paramount Pictures, and Paramount Home Media Distribution . </P> <P> see: List of assets owned by CBS, List of assets owned by Viacom . </P> <P> * Although Viacom and CBS Corporation have been separate companies since 2006, they are both partially owned subsidiaries of the private National Amusements company, headed by Sumner Redstone . As such, Paramount Home Media Distribution handles DVD / Blu - ray distribution for most of the CBS Corporation library . </P>

Who owns the broadcast media in the united states