| Städtische Bühnen Hannover | Städtische Bühnen Hannover | 1949 | 1 | |
| Sceneriet | Sceneriet | 2007 | 1 | |
| Schauspielensemble Anklam | Schauspielensemble Anklam | 1969 | 1 | |
| St. Louis Symphony Orchestra | St. Louis Symphony Orchestra | 2025 | 1 | |
| SISU Finalmente | SISU Finalmente | 2010 | 1 | |
| Svend og Ellen Aggerholm Tourneen (Eyvind Kornbeck-Tourneen) | Svend og Ellen Aggerholm Tourneen (Eyvind Kornbeck-Tourneen) | 1915 – 1921 | 1 | |
| Staats-Oper Berlin | Staats-Oper Berlin | 1938 | 1 | |
| Studio Formula Nuovo Balletto | Studio Formula Nuovo Balletto | 1975 | 1 | 1 |
| Stage West Theatre Company | Stage West Theatre Company | 1996 | 1 | |
| South High School | South High School | 1923 | 1 | |
| Sterling College Theatre Arts Department | Sterling College Theatre Arts Department | 2025 | 1 | |
| 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 | |
| Stephens College | Stephens College | 1974 | 1 | |
| Seaview Productions | Seaview Productions | 2025 | 1 | |
| Santa Cristina Centro Theatrical | Santa Cristina Centro Theatrical | 2011 | 1 | |
| Sunset Players of Sharon | Sunset Players of Sharon | 2003 | 1 | |
| Stordfest | Stordfest | 2007 | 1 | |
| Station Noord | Station Noord | 2022 | 1 | |
| Stúdiószínházi Mûhelyek XVI. Fesztiválja | Stúdiószínházi Mûhelyek XVI. Fesztiválja | 2004 | 1 | |
| Star Quest Productions | Star Quest Productions | 1989 | 1 | |
| Scarlet Cup | Scarlet Cup Theatre | 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 | |
| Sam Wanamaker Playhouse | Sam Wanamaker Playhouse | 2023 – 2024 | 1 | |
| Seifi Hashem | Seifi Hashem | 1993 | 1 | |
| Samuel Fröler | Samuel Fröler | 2010 | 1 | |
| SYV MIL | SYV MIL | 2024 | 1 | |
| Svergies Radio P1 | Sveriges Radio P1 (Svergies Radio P1) | 1973 | 1 | |
| Sociedad Constructura de Pianos | Sociedad Constructura de Pianos | 1907 | 1 | |
| Suitcase Theatre | Suitcase Theatre | 2025 | 1 | |
| Společnost Jana Pištěka | Společnost Jana Pištěka | 1895 | 1 | |
| Starlight Theatre Co-operative | Starlight Theatre Co-operative | 2008 | 1 | |
| Students of Theater 259 Production Class | Students of Theater 259 Production Class | 2023 | 1 | |
| Shanghai Symphony Orchestra | Shanghai Symphony Orchestra | 2007 | 1 | |
| Satirikon | Satirikon (Satyricon) | 2001 | 1 | |
| Sixth Annual Play Festival | Sixth Annual Play Festival | 1937 | 1 | |
| Saiko Geijutsuza | Saiko Geijutsuza | 1924 | 1 | |
| Sedos | Sedos | 2025 | 1 | |
| Soffia Guðlaugsdóttir | Soffia Guðlaugsdóttir | 1932 | 1 | |
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