| Mabou Mines | Mabou Mines | 2003 – 2011 | 35 | |
| MC2 Grenoble | MC2 Grenoble | 2013 – 2014 | 25 | |
| Maison de la culture d’Amiens | Maison de la culture d’Amiens | 2013 – 2014 | 25 | |
| Manhattan Company | Manhattan Company | 1904 – 1910 | 17 | |
| Musica Independent Theatre Group, La | La Musica Independent Theatre Group | 2009 – 2013 | 17 | |
| Maxim Gorki Theater | Maxim Gorki Theater | 1967 – 2021 | 15 | |
| Melbourne Theatre Company | Melbourne Theatre Company | 1970 – 1998 | 15 | |
| Makedonski, Naroden, Teatar | Makedonski naroden teatar | 1922 – 1934 | 11 | |
| Münchner Kammerspiele (Schauspielhaus) | Münchner Kammerspiele (Schauspielhaus) | 1989 – 2023 | 10 | |
| Moat Club, The | The Moat Club | 2007 | 7 | |
| Moskovskij Hudožestvennyj akademičeskij teatr | Moskovskij Hudožestvennyj akademičeskij teatr (Moscow Art Theatre) | 1900 – 1924 | 7 | |
| Mingei (People's Theatre) | Mingei (People's Theatre) | 1953 – 2002 | 6 | |
| Münchener Ensemble (Direktion: Emil Meßthaler) | Münchener Ensemble (Direktion: Emil Meßthaler) | 1893 | 6 | |
| Mecklenburgisches Staatstheater Schwerin | Mecklenburgisches Staatstheater Schwerin | 1994 – 2005 | 4 | |
| Milwaukee Repertory Theater Company | Milwaukee Repertory Theater Company | 1971 – 2004 | 3 | |
| Morosco Company, The | The Morosco Company | 1904 | 3 | |
| Maurice Campbell's Company | Maurice Campbell's Company | 1905 | 3 | |
| Melbourne City Council | Melbourne City Council | 1970 – 1980 | 3 | |
| Metropolitan Players, The | The Metropolitan Players | 1912 – 1913 | 3 | |
| MIDI LIDI | MIDI LIDI | 2011 – 2012 | 3 | |
| Moskva Kunstnerteater | Moskva Kunstnerteater | 1905 | 3 | |
| Mary Shaw Company | Mary Shaw Company | 1903 | 3 | |
| Modern Stage | Modern Stage | 1915 | 2 | |
| Maddermarket Theatre Company | Maddermarket Theatre Company | 2000 – 2002 | 2 | |
| Ministério da Cultura | Ministério da Cultura | 2020 | 2 | |
| Montgomery Theatre, The | The Montgomery Theatre | 2011 | 2 | |
| Münchener Dramatische Gesellschaft | Münchener Dramatische Gesellschaft | 1900 | 2 | |
| Móricz Zsigmond Színház | Móricz Zsigmond Színház | 1995 | 2 | |
| Melbourne Festival | Melbourne Festival | 2011 – 2012 | 2 | |
| Monologtheater | Monologtheater | 2023 | 2 | |
| Meadow Brook Theatre | Meadow Brook Theatre | 1972 | 1 | |
| Münchener Künstler-Theater | Münchener Künstler-Theater | 1914 | 1 | |
| Molde Videregående skole | Molde Videregående skole | 2013 | 1 | |
| Mountain Empire Community Theatre, The | The Mountain Empire Community Theatre | 2007 | 1 | |
| Musikk i Nordland | Musikk i Nordland | 2006 | 1 | |
| Mme Vera F Komisarzhevskaya Repertory | Mme Vera F Komisarzhevskaya Repertory | 1908 | 1 | |
| Marionetitlán | Marionetitlán | 2024 | 1 | |
| Minkul'tury RF | Minkul'tury RF (Ministry of Culture of the Russian Federation) | 2022 | 1 | |
| Mauthner-Ensemble | Mauthner-Ensemble | 1894 | 1 | |
| Marked for Scenekunst | Marked for Scenekunst | 2001 | 1 | |
| Mingei / Shochiku | Shochiku (Mingei / Shochiku) | 1986 | 1 | |
| Mari-Film | Mari-Film | 1919 | 1 | |
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