| Sam Wanamaker Playhouse | Sam Wanamaker Playhouse | 2023 – 2024 | 1 | |
| Seoul Metropolitan Theater | The Seoul Metropolitan Theater | 2024 | 1 | |
| Statens Kunstfond | Statens Kunstfond (Danish Arts Foundation) | 2024 | 2 | |
| Saint Sebastian Players | Saint Sebastian Players | 2024 | 1 | |
| Secret House | Secret House | 2024 | 1 | |
| SM Arte e Cultura | SM Arte e Cultura | 2024 | 1 | |
| Sixth Festival | The Sixth Festival | 2024 | 1 | |
| Slovene National Theatre Nova Gorica | Slovene National Theatre Nova Gorica | 2024 | 1 | |
| Southern Tier Actors Read | Southern Tier Actors Read | 2024 | 1 | |
| Scuola di Musica Il Flauto Magico | Scuola di Musica Il Flauto Magico | 2024 | 4 | 2 |
| SYV MIL | SYV MIL | 2024 | 1 | |
| SlowMachine | SlowMachine | 2024 – 2025 | 3 | |
| Scuola del Musical di Milano | Scuola del Musical di Milano (Milan's Musical School) | 2024 – 2025 | 4 | |
| Secuencia 3 | Secuencia 3 | 2024 – 2025 | 13 | |
| Sedos | Sedos | 2025 | 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 | |
| Singapore Repertory Theatre | Singapore Repertory Theatre | 2025 | 1 | |
| St. Louis Symphony Orchestra | St. Louis Symphony Orchestra | 2025 | 1 | |
| Sterling College Theatre Arts Department | Sterling College Theatre Arts Department | 2025 | 1 | |
| Seaview Productions | Seaview Productions | 2025 | 1 | |
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