1? Metro-goldwyn-mayer MGM film production company
Metro-goldwyn-mayer MGM film production company
2? Paramount?
foremost
3? Columbia
4? Warner Bros.
Warner Bros.
5? Universal film
6? Lianmei film
7? Twentieth Century Fox Film Company
8? Disney
Sony (but it is difficult to define whether it is American or not, so it is a supplement. )