| 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 | |
| Städtische Bühnen Köln | Städtische Bühnen Köln | 1931 – 1932 | 1 | |
| Swan Theatre Company | Swan Theatre Company | 2003 | 1 | |
| Sveriges Radios Symfoniorkester | Sveriges Radios Symfoniorkester | 2005 – 2006 | 3 | |
| Svenska Teatern - Inhemska afdelningen | Svenska Teatern - Inhemska afdelningen | 1916 | 2 | |
| Santa Cristina Centro Theatrical | Santa Cristina Centro Theatrical | 2011 | 1 | |
| Shenzhen Symphony Orchestra | Shenzhen Symphony Orchestra (深圳交响乐团) | 2023 | 1 | |
| Schaubuhne am Lehniner Platz | Schaubühne am Lehniner Platz (Schaubuhne am Lehniner Platz) | 2002 – 2023 | 71 | |
| Sächsische Landestheater | Sächsische Landestheater | 1919 – 1920 | 3 | |
| Sunset Players of Sharon | Sunset Players of Sharon | 2003 | 1 | |
| Stordfest | Stordfest | 2007 | 1 | |
| Stephens College | Stephens College | 1974 | 1 | |
| Skien International Ibsen Conference 2010 | Skien International Ibsen Conference 2010 | 2010 | 2 | |
| Station Noord | Station Noord | 2022 | 1 | |
| Shakespeare’s Globe | Shakespeare’s Globe | | | |
| 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 | |
| Skådebanans ambulerande teatersällskap | Skådebanans ambulerande teatersällskap | 1911 | 13 | |
| Svergies Radio P1 | Sveriges Radio P1 (Svergies Radio P1) | 1973 | 1 | |
| Sam Wanamaker Playhouse | Sam Wanamaker Playhouse | 2023 – 2024 | 1 | |
| Societat ‘Foment de les Arts Catalanes’ | Societat 'Foment de les Arts Catalanes’ | 1908 | 1 | |
| Společnost Jana Pištěka | Společnost Jana Pištěka | 1895 | 1 | |
| Starlight Theatre Co-operative | Starlight Theatre Co-operative | 2008 | 1 | |
| Sverre Toresens Tourneer (Genganger-Tourneen) | Sverre Toresens Tourneer (Genganger-Tourneen) | 1910 | 3 | |
| Seifi Hashem | Seifi Hashem | 1993 | 1 | |
| Samuel Fröler | Samuel Fröler | 2010 | 1 | |
| South Asia Theatre Festival | South Asia Theatre Festival | 2006 | 2 | |
| Seattle Repertory Theatre | Seattle Repertory Theatre | 2018 | 1 | |
| Seattle Repertory Playhouse | Seattle Repertory Playhouse | 1931 – 2022 | 6 | |
| Svenska Riksteatern - Orebroensemblen | Svenska Riksteatern - Orebroensemblen | 1969 | 2 | |
| Stadttheater Bern | Stadttheater Bern | 1941 – 2016 | 5 | |
| Sveriges Radio | Sveriges Radio | 1958 | 5 | |
| Shanghai Symphony Orchestra | Shanghai Symphony Orchestra | 2007 | 1 | |
| Sixth Annual Play Festival | Sixth Annual Play Festival | 1937 | 1 | |
| Saiko Geijutsuza | Saiko Geijutsuza | 1924 | 1 | |
| Soffia Guðlaugsdóttir | Soffia Guðlaugsdóttir | 1932 | 1 | |
| Skandinaviska Gästspelsturneen, Den | Den Skandinaviska Gästspelsturneen | 1890 | 2 | |
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