| Entrecajas Producciones Teatrales | Entrecajas Producciones Teatrales | 2010 – 2011 | 40 | |
| English Touring Theatre | English Touring Theatre | 1994 – 2013 | 40 | |
| Ensemble Théâtral Mobile | Ensemble Théâtral Mobile | 1975 – 1977 | 10 | |
| ENSEMBLE PERSONA | ENSEMBLE PERSONA | 2023 | 7 | |
| Ensemble-Gastspiel unter Leitung des Direktors Julius Fiala | Ensemble-Gastspiel unter Leitung des Direktors Julius Fiala | 1893 | 6 | |
| Ellinikos Dramatikos Thiasos Aikaterini Veroni | Ellinikos Dramatikos Thiasos Aikaterini Veroni | 1899 – 1905 | 5 | |
| Exit Theatre | Exit Theatre | 2003 – 2005 | 4 | |
| Edinburgh International Festival | Edinburgh International Arts Festival (Edinburgh International Festival) | 1963 – 2007 | 4 | |
| Ensemble Theatre Company | Ensemble Theatre Company | 1968 – 2022 | 3 | |
| Ernst Deutsch | Ernst Deutsch | 1933 | 2 | |
| Ensemble Theatre Company of Santa Barbara | Ensemble Theatre Company of Santa Barbara | 2001 – 2011 | 2 | |
| Epidaurus Festival | Epidaurus Festival | 2008 – 2010 | 2 | |
| Ensemble-Gastspiel vom Königlichen Hoftheater Dresden | Ensemble-Gastspiel vom Königlichen Hoftheater Dresden | 1907 | 2 | |
| Everett Butterfield | Everett Butterfield | 1922 | 2 | |
| Ensemble Theatrum | Ensemble Theatrum | 2002 | 2 | |
| Ensemble-Gastspiel der königlich württembergischen Hoffschau | Ensemble-Gastspiel der königlich württembergischen Hoffschauspieler (Ensemble-Gastspiel der königlich württembergischen Hoffschau) | 1881 | 2 | |
| Emilia-Romagna Teatro Fondazione | Emilia-Romagna Teatro Fondazione | 2025 | 2 | |
| Eeva-Kaarina Volasen kiertue | Eeva-Kaarina Volasen kiertue | 1972 | 2 | |
| Ensemble-Gastspiel Irene Triesch | Ensemble-Gastspiel Irene Triesch | 1928 | 2 | |
| Elli Tompurin kiertue | Elli Tompurin kiertue | 1911 | 1 | |
| East Lane Theatre Club | East Lane Theatre Club | 2007 | 1 | |
| Ente Ischia Casamicciola Terme | Ente Ischia Casamicciola Terme | 1956 | 1 | |
| Ellinikos Dramatikos Thiasos Athinon Theodoros Pofantis | Ellinikos Dramatikos Thiasos Athinon Theodoros Pofantis | 1897 | 1 | |
| Entracte Film Studio | Entr"acte Film Studio | 2017 | 1 | |
| Ellinikos Dramatikos Thiasos "Athinon" – Nikolaos Kordovilli | Ellinikos Dramatikos Thiasos "Athinon" – Nikolaos Kordovilli | 1896 | 1 | |
| Einar Fröbergs sällskap | Einar Fröbergs sällskap | 1913 | 1 | |
| Eastern Illinois University Theatre Arts Department | Eastern Illinois University Theatre Arts Department | 2003 | 1 | |
| European performance and theater towards the year 2000 | European performance and theater towards the year 2000 | 1994 | 1 | |
| Ensemeble Theatre - Cleveland | Ensemeble Theatre - Cleveland | 2025 | 1 | |
| Ex Ponto Festival | Ex Ponto Festival | 2001 | 1 | |
| Elkins Productions | Elkins Productions | 1973 | 1 | 1 |
| Eastern Florida State College Theatre Department | The Eastern Florida State College Theatre Department | 2024 | 1 | |
| East Carolina University | East Carolina University | 2001 | 1 | |
| Emil Wetterstrands sällskap | Emil Wetterstrands sällskap | 1900 | 1 | |
| Extinction Rebellion | Extinction Rebellion | 2024 | 1 | |
| Empire Theatre Dramatic School | Empire Theatre Dramatic School | 1930 | 1 | |
| Everyman Theatre | Everyman Theatre | 2023 | 1 | |
| Ernst Ahlboms sällskap | Ernst Ahlboms sällskap | 1897 | 1 | |
| Eternal Ibsen Festival | Eternal Ibsen Festival | 2006 | 1 | |
| Erstes Wiener Lesetheater | Erstes Wiener Lesetheater (First Vienna Readers' Theatre) | 2024 | 1 | |
| Ershiliu jushe 26 (26 Drama Society) | Ershiliu jushe 26 (26 Drama Society) | 1924 | 1 | |
| Ensemble Productions Pty Ltd | Ensemble Productions Pty Ltd | 1989 | 1 | |
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