| Statens teaterhøgskole | Statens teaterhøgskole | 1994 – 2003 | 9 | 3 |
| Scuola di Musica Il Flauto Magico | Scuola di Musica Il Flauto Magico | 2024 | 4 | 2 |
| Stabile Mobile | Stabile Mobile | 2014 | 2 | 2 |
| Studio Formula Nuovo Balletto | Studio Formula Nuovo Balletto | 1975 | 1 | 1 |
| Saarländischer Rundfunk | Saarländischer Rundfunk | 1974 | 2 | 1 |
| Swan Theatre Company | Swan Theatre Company | 2003 | 1 | |
| STAGE-M (Society for Theatre Arts Growth & Enjoyment in Mid-Michigan) | STAGE-M (Society for Theatre Arts Growth & Enjoyment in Mid-Michigan) | 2025 | 1 | |
| Sveriges Radios Symfoniorkester | Sveriges Radios Symfoniorkester | 2005 – 2006 | 3 | |
| Stage West Theatre Company | Stage West Theatre Company | 1996 | 1 | |
| South High School | South High School | 1923 | 1 | |
| Space Productions | Space Productions | 2010 – 2011 | 2 | |
| Spring Willow Society | Spring Willow Society | 1914 | 1 | |
| SlowMachine | SlowMachine | 2024 – 2025 | 3 | |
| Städtische Bühnen Köln | Städtische Bühnen Köln | 1931 – 1932 | 1 | |
| Sunset Players of Sharon | Sunset Players of Sharon | 2003 | 1 | |
| Statens Kunstfond | Statens Kunstfond (Danish Arts Foundation) | 2024 | 2 | |
| Stordfest | Stordfest | 2007 | 1 | |
| Stephens College | Stephens College | 1974 | 1 | |
| Svenska Teatern - Inhemska afdelningen | Svenska Teatern - Inhemska afdelningen | 1916 | 2 | |
| Santa Cristina Centro Theatrical | Santa Cristina Centro Theatrical | 2011 | 1 | |
| Scharoun-Theater Wolfsburg | Scharoun-Theater Wolfsburg | 2023 | 6 | |
| Schaubuhne am Lehniner Platz | Schaubühne am Lehniner Platz (Schaubuhne am Lehniner Platz) | 2002 – 2025 | 72 | |
| Seoul Metropolitan Theater | The Seoul Metropolitan Theater | 2024 | 1 | |
| Sächsische Landestheater | Sächsische Landestheater | 1919 – 1920 | 3 | |
| Stichting Jansen & Jelier | Stichting Jansen & Jelier | 1997 | 1 | |
| Secret House | Secret House | 2024 | 1 | |
| STUC | STUC | 1997 | 1 | |
| Stúdiószínházi Mûhelyek XVI. Fesztiválja | Stúdiószínházi Mûhelyek XVI. Fesztiválja | 2004 | 1 | |
| Skådebanans ambulerande teatersällskap | Skådebanans ambulerande teatersällskap | 1911 | 13 | |
| Skien International Ibsen Conference 2010 | Skien International Ibsen Conference 2010 | 2010 | 2 | |
| Scarlet Cup | Scarlet Cup Theatre | 2023 | 1 | |
| Saint Sebastian Players | Saint Sebastian Players | 2024 | 1 | |
| Sala Muzeum Przemysłu i Rolnictwa | Sala Muzeum Przemysłu i Rolnictwa | 1899 | 1 | |
| SM Arte e Cultura | SM Arte e Cultura | 2024 | 1 | |
| Sverre Toresens Tourneer (Genganger-Tourneen) | Sverre Toresens Tourneer (Genganger-Tourneen) | 1910 | 3 | |
| Seifi Hashem | Seifi Hashem | 1993 | 1 | |
| Snow College Performing Arts | Snow College Performing Arts | 2025 | 1 | |
| Samuel Fröler | Samuel Fröler | 2010 | 1 | |
| Svergies Radio P1 | Sveriges Radio P1 (Svergies Radio P1) | 1973 | 1 | |
| Sociedad Constructura de Pianos | Sociedad Constructura de Pianos | 1907 | 1 | |
| Společnost Jana Pištěka | Společnost Jana Pištěka | 1895 | 1 | |
| Starlight Theatre Co-operative | Starlight Theatre Co-operative | 2008 | 1 | |
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