| Mabou Mines | Mabou Mines | 2003 – 2011 | 35 | |
| Maison de la culture d’Amiens | Maison de la culture d’Amiens | 2013 – 2014 | 25 | |
| MC2 Grenoble | MC2 Grenoble | 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 | |
| Moskovskij Hudožestvennyj akademičeskij teatr | Moskovskij Hudožestvennyj akademičeskij teatr (Moscow Art Theatre) | 1900 – 1924 | 7 | |
| Moat Club, The | The Moat Club | 2007 | 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 | |
| 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 | |
| Moskva Kunstnerteater | Moskva Kunstnerteater | 1905 | 3 | |
| Mary Shaw Company | Mary Shaw Company | 1903 | 3 | |
| Milwaukee Repertory Theater Company | Milwaukee Repertory Theater Company | 1971 – 2004 | 3 | |
| Morosco Company, The | The Morosco Company | 1904 | 3 | |
| 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 | |
| Modern Stage | Modern Stage | 1915 | 2 | |
| Mask and Dagger Club Washington State College, The | The Mask and Dagger Club Washington State College | 1916 | 1 | |
| Madison Repertory Theatre | Madison Repertory Theatre | 1999 | 1 | |
| Maastrichts Theaterensemble Het Vervolg | Maastrichts Theaterensemble Het Vervolg | 1997 | 1 | |
| Meininger Musikverein | Meininger Musikverein | 1920 | 1 | |
| Mofeng she (Windmill Society) | Mofeng she (Windmill Society) | 1935 | 1 | |
| Münchner Hoftheater-Ensemble | Münchner Hoftheater-Ensemble | 1912 | 1 | |
| MGA Productions Limited | MGA Productions Limited | 1939 | 1 | |
| Meßthaler-Ensemble vom Neuen Deutschen Theater München, Das | Das Meßthaler-Ensemble vom Neuen Deutschen Theater München | 1895 | 1 | |
| Mario Michelli | Mario Michelli | 2010 | 1 | |
| Minkul'tury RF | Minkul'tury RF (Ministry of Culture of the Russian Federation) | 2022 | 1 | |
| Mockingbird Theatre | Mockingbird Theatre | 2000 | 1 | |
| Makhdoomi's Group | Makhdoomi's Group | 2006 | 1 | |
| Mezinárodní festival Divadlo | Mezinárodní festival Divadlo | 2007 | 1 | |
| Malmö City Theatre | Malmö City Theatre | 1951 | 1 | |
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