The studio now forms part of the Columbia TriStar Motion Picture Group, owned by Sony Pictures Entertainment, a subsidiary of the Japanese conglomerate Sony, and is one of the leading film companies in the world, a member of the so-called Big Six. It was one of the so-called Little Three among the eight major film studios of Hollywood's Golden Age. The company was founded in 1919 as CBC Film Sales and adopted the Columbia Pictures name 5 years later in 1924.