| Stolitschna balgarska dramatitscheska trupa «Salsa i smjah» | Stolitschna balgarska dramatitscheska trupa «Salsa i smjah» | 1898 | 2 | |
| Sudbury Dramatic Society | Sudbury Dramatic Society | 2007 – 2019 | 2 | |
| Skuespillerutdanninga ved Høgskolen i Nord-Trøndelag (HINT) | Skuespillerutdanninga ved Høgskolen i Nord-Trøndelag (HINT) | 2010 – 2011 | 2 | |
| Saarländischer Rundfunk | Saarländischer Rundfunk | 1974 | 2 | 1 |
| Spring Willow Society | Spring Willow Society | 1914 | 1 | |
| Städtische Bühnen Köln | Städtische Bühnen Köln | 1931 – 1932 | 1 | |
| Seoul Metropolitan Theater | The Seoul Metropolitan Theater | 2024 | 1 | |
| Swan Theatre Company | Swan Theatre Company | 2003 | 1 | |
| Stage West Theatre Company | Stage West Theatre Company | 1996 | 1 | |
| South High School | South High School | 1923 | 1 | |
| Saint Sebastian Players | Saint Sebastian Players | 2024 | 1 | |
| Sunset Players of Sharon | Sunset Players of Sharon | 2003 | 1 | |
| Stordfest | Stordfest | 2007 | 1 | |
| Stephens College | Stephens College | 1974 | 1 | |
| Santa Cristina Centro Theatrical | Santa Cristina Centro Theatrical | 2011 | 1 | |
| Shenzhen Symphony Orchestra | Shenzhen Symphony Orchestra (深圳交响乐团) | 2023 | 1 | |
| Sala Muzeum Przemysłu i Rolnictwa | Sala Muzeum Przemysłu i Rolnictwa | 1899 | 1 | |
| Stichting Jansen & Jelier | Stichting Jansen & Jelier | 1997 | 1 | |
| STUC | STUC | 1997 | 1 | |
| Stúdiószínházi Mûhelyek XVI. Fesztiválja | Stúdiószínházi Mûhelyek XVI. Fesztiválja | 2004 | 1 | |
| Starlight Theatre Co-operative | Starlight Theatre Co-operative | 2008 | 1 | |
| Seifi Hashem | Seifi Hashem | 1993 | 1 | |
| Samuel Fröler | Samuel Fröler | 2010 | 1 | |
| Svergies Radio P1 | Sveriges Radio P1 (Svergies Radio P1) | 1973 | 1 | |
| Societat ‘Foment de les Arts Catalanes’ | Societat 'Foment de les Arts Catalanes’ | 1908 | 1 | |
| Společnost Jana Pištěka | Společnost Jana Pištěka | 1895 | 1 | |
| Slovene National Theatre Nova Gorica | Slovene National Theatre Nova Gorica | 2024 | 1 | |
| Shanghai Symphony Orchestra | Shanghai Symphony Orchestra | 2007 | 1 | |
| Seattle Repertory Theatre | Seattle Repertory Theatre | 2018 | 1 | |
| Scribblers Hongkong | Scribblers Hongkong | 2006 | 1 | |
| Sue Lefton Productions | Sue Lefton Productions | 1994 | 1 | |
| Studentteateret Immaturus | Studentteateret Immaturus | 2006 | 1 | |
| Sixth Annual Play Festival | Sixth Annual Play Festival | 1937 | 1 | |
| Saiko Geijutsuza | Saiko Geijutsuza | 1924 | 1 | |
| Soffia Guðlaugsdóttir | Soffia Guðlaugsdóttir | 1932 | 1 | |
| Spoleto Festival | Spoleto Festival | 2005 | 1 | |
| Stadttheater Landsberg (Warthe) | Stadttheater Landsberg (Warthe) | 1928 | 1 | |
| Sound & Light Egypt | Sound & Light Egypt | 2006 | 1 | |
| Studentteatret | Studentteatret | 2000 | 1 | |
| Studio of Theatre Arts, The | The Studio of Theatre Arts | 1935 | 1 | |
| St. Olaf College Speech and Drama Department | St. Olaf College Speech and Drama Department | 1951 | 1 | |
| Stagecraft Theatre | Stagecraft Theatre | 2011 | 1 | |
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