Companies National Amusements American media/entertainment companyfounded 1936, dissolved 7 August 2025 SubsidiariesSShowcase CinemasViacomfounded 3 May 1971, dissolved 3 January 2006TTriStar Picturesfounded 1982CBS Corporationfounded 30 November 1997, dissolved 15 April 2000Viacomfounded 31 December 2005, dissolved 4 December 2019Founded byMMichael Redstone11 April 1902 – 4 April 1987Owned bySumner Redstone27 May 1923 – 11 August 2020Shari Redstoneborn 1954OwnsKKings Entertainment CompanyKKing World Productionsfounded 1964, dissolved 2007PParamount Networks Internationalfounded 2011 From Wikipedia and Wikidata (public domain), updated daily.
.jpg?width=120)
