| Shared Experience | Shared Experience | 2000 | 8 | |
| Sächsische Staatstheater | Sächsische Staatstheater | 1942 | 2 | |
| Stavanger Teaters Orkester | Stavanger Teaters Orkester | 1946 | 1 | |
| Sam Wanamaker Playhouse | Sam Wanamaker Playhouse | 2023 – 2024 | 1 | |
| SWAN - South West Actors Network | SWAN - South West Actors Network | 2007 | 1 | |
| Spolek divadelních ochotníků Tyl | Spolek divadelních ochotníků Tyl | 1911 | 1 | |
| Stockholms Kulturfestival | Stockholms Kulturfestival | 2008 – 2011 | 2 | |
| Scarlet Cup | Scarlet Cup Theatre | 2023 | 1 | |
| 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 | |
| Städtische Bühnen Hannover | Städtische Bühnen Hannover | 1949 | 1 | |
| Suzanne Després Company | Suzanne Després Company | 1906 | 13 | |
| Skuespillerutdanninga ved Høgskolen i Nord-Trøndelag (HINT) | Skuespillerutdanninga ved Høgskolen i Nord-Trøndelag (HINT) | 2010 – 2011 | 2 | |
| SYV MIL | SYV MIL | 2024 | 1 | |
| Stage Society | Stage Society | 1900 – 1903 | 5 | |
| Sociedad Constructura de Pianos | Sociedad Constructura de Pianos | 1907 | 1 | |
| Süddeutsche Hoftheater-Ensemble | Süddeutsches Hoftheater-Ensemble (Süddeutsche Hoftheater-Ensemble) | 1887 | 3 | |
| 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 | |
| Sceneriet | Sceneriet | 2007 | 1 | |
| Schauspielensemble Anklam | Schauspielensemble Anklam | 1969 | 1 | |
| Satirikon | Satirikon (Satyricon) | 2001 | 1 | |
| SISU Finalmente | SISU Finalmente | 2010 | 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 | |
| Sveriges Radios Symfoniorkester | Sveriges Radios Symfoniorkester | 2005 – 2006 | 3 | |
| Scuola di Scenografia dell’Accademia di Belle Arti di Brera | Scuola di Scenografia dell’Accademia di Belle Arti di Brera | 2018 | 2 | |
| 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 | |
| Sächsische Landestheater | Sächsische Landestheater | 1919 – 1920 | 3 | |
| Sunset Players of Sharon | Sunset Players of Sharon | 2003 | 1 | |
| Stordfest | Stordfest | 2007 | 1 | |
| SlowMachine | SlowMachine | 2024 | 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 | |
| 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 | |
| Stichting Jansen & Jelier | Stichting Jansen & Jelier | 1997 | 1 | |
| STUC | STUC | 1997 | 1 | |
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