| Rai Cinema | 1998 | — | 178 |
| Medusa Film | 1964 | — | 172 |
| Lux Film | 1935 | 1998 | 137 |
| Titanus | 1904 | — | 103 |
| Cines | 1906 | — | 98 |
| Fandango | 1989 | — | 78 |
| RAI | 1954 | — | 78 |
| Film Ambrosio | 1906 | December 4, 1924 | 54 |
| Itala Film | 1907 | 1927 | 53 |
| Scalera Film | 1938 | 1952 | 50 |
| Cecchi Gori Group | 1984 | 2006 | 49 |
| Cattleya Studios | 1997 | — | 43 |
| Filmauro | 1975 | — | 42 |
| Vides Cinematografica | 1946 | — | 41 |
| Italian International Film | 1958 | — | 37 |
| Romana Film | 1946 | 1969 | 37 |
| Reteitalia | January 30, 1979 | June 18, 2002 | 31 |
| Filmirage | 1980 | — | 28 |
| Cineriz | 1956 | 1993 | 27 |
| Milano Films | 1908 | 1926 | 24 |
| Istituto Luce | 1924 | May 2009 | 21 |
| Indigo Film | 1994 | — | 20 |
| Caesar Film | 1914 | 1935 | 18 |
| Lucky Red Distribuzione | 1987 | — | 17 |
| Wildside | 2009 | — | 17 |
| Rodeo Drive | 1991 | — | 16 |
| Euro International Film | 1957 | 1995 | 15 |
| Palomar | 1986 | — | 15 |
| Indiana Production | 2005 | — | 14 |
| Minerva Film | 1912 | 1956 | 14 |
| Sacher Film | 1987 | — | 14 |
| Silvio Berlusconi Communications | 1987 | 1995 | 14 |
| BiM Distribuzione | 1983 | — | 12 |
| Clesi Cinematografica | 1968 | 1999 | 12 |
| Eagle Pictures | 1986 | — | 12 |
| Fida Cinematografica | — | — | 11 |
| Rai 2 | 1961 | — | 11 |
| Sky Italia | July 31, 2003 | — | 11 |
| Arco Film | 1960 | — | 10 |
| Mikado Film | 1984 | 2010 | 10 |
| Ministry of Culture | 1974 | — | 10 |
| Savoia Film | 1911 | April 17, 1923 | 10 |
| Vision Distribution | 2016 | — | 10 |
| Colorado Film | 1986 | — | 9 |
| Taodue Film | 1991 | — | 9 |
| Vivo Film | 2004 | — | 9 |
| Industrie Cinematografiche Italiane | 1933 | 1950 | 8 |
| Cinecittà | 1937 | — | 7 |
| Rai 1 | 1954 | — | 7 |
| Rai Fiction | 1997 | — | 7 |
| Warner Bros. Entertainment Italia | September 2000 | — | 7 |
| Società Anonima Stefano Pittaluga | March 19, 1919 | 1936 | 6 |
| Cinemaundici | 1998 | — | 5 |
| MFE - MediaForEurope | 1993 | — | 5 |
| Produzioni Europee Associati | — | — | 5 |
| Rai 3 | 1979 | — | 5 |
| Capital Film | — | — | 4 |
| Cattleya | — | — | 4 |
| Fortunia Film | 1952 | 1958 | 4 |
| Gloria Films | April 20, 1913 | December 1916 | 4 |
| Mari Film | 2007 | — | 4 |
| Melampo Cinematografica | 1991 | — | 4 |
| Minerva Pictures | 1953 | — | 4 |
| Napoli Film | — | — | 4 |
| Pasquali Film | 1908 | 1919 | 4 |
| 01 Distribution | 2001 | — | 3 |
| Alia Film | — | — | 3 |
| Cinecittà | 2011 | — | 3 |
| Cinesicilia | 2007 | — | 3 |
| Classic srl | — | — | 3 |
| Duea Film | — | — | 3 |
| Experimental Centre of Cinematography | 1935 | — | 3 |
| Eyescreen | — | — | 3 |
| Film d'Arte Italiana | 1909 | — | 3 |
| Jean Vigò Italia | — | — | 3 |
| Morgana film | 1914 | 1915 | 3 |
| Moviemax | 2001 | 2015 | 3 |
| Rainbow S.p.A. | 1995 | — | 3 |
| RCS MediaGroup | 1986 | — | 3 |
| Tirrenia Studios | — | — | 3 |
| Turin film commission | — | — | 3 |
| Èliseo Entertainment | 2009 | — | 3 |
| A.GI.DI. | — | — | 2 |
| Albachiara | — | — | 2 |
| Aquila Films | 1907 | — | 2 |
| Bianca Film | — | — | 2 |
| Cinema 80 | — | — | 2 |
| Compagnia Distribuzione Internazionale | 1985 | — | 2 |
| Documento Film | 1950 | — | 2 |
| Domiziana Internazionale Cinematografica | — | — | 2 |
| Dorje Film | — | — | 2 |
| Gamma Film | 1953 | 1990 | 2 |
| Genoma Films | 2016 | — | 2 |
| Good Films | 2012 | — | 2 |
| Kavac Film | — | — | 2 |
| L'Ottava | 1985 | — | 2 |
| Lucas Kazan Productions | 1998 | — | 2 |
| Lumiq Studios | 2002 | 2013 | 2 |
| Lumière & Co. | 1994 | — | 2 |
| Lux Vide | 1992 | — | 2 |