| Peer Gynt as | Peer Gynt as | 2006 – 2022 | 110 | 2 |
| Plexus Polaire | Plexus Polaire | 2023 – 2026 | 40 | 1 |
| Peer Gynt Festival | Peer Gynt Festival | 1928 – 2016 | 30 | |
| Pasadena Playhouse College of Theatre Arts | Pasadena Playhouse College of Theatre Arts | 1943 – 1966 | 28 | |
| POS Theatre Company | POS Theatre Company | 2004 – 2006 | 23 | |
| Pasadena Playhouse | Pasadena Playhouse | 1927 – 2025 | 16 | |
| PROSPERO | PROSPERO | 2008 – 2011 | 15 | |
| Paul Linsemanns Schauspiel-Gesellschaft | Paul Linsemanns Schauspiel-Gesellschaft | 1905 – 1910 | 11 | |
| Pasadena Playhouse Senior Players | Pasadena Playhouse Senior Players | 1936 – 1946 | 9 | |
| Painted Bird Theatre | Painted Bird Theatre | 2010 | 8 | |
| Pocketteatret | Pocketteatret | 2001 – 2002 | 6 | |
| Pasadena Community Players | Pasadena Community Players | 1921 – 1934 | 6 | |
| Porsgrunn Internasjonale Teaterfestival | Porsgrunn Internasjonale Teaterfestival | 1999 – 2010 | 6 | |
| Pfalztheater Kaiserslautern | Pfalztheater Kaiserslautern | 1972 – 2001 | 5 | |
| Prozatímní Národní divadlo v Brně | Prozatímní Národní divadlo v Brně | 1887 | 5 | |
| People's Theatre | People's Theatre | 1922 – 1967 | 4 | |
| PROD.ART.BR | PROD.ART.BR | 2013 – 2014 | 4 | |
| PBS | PBS | 1992 | 4 | 2 |
| Progressive Stage Society | Progressive Stage Society | 1905 – 1906 | 4 | |
| Purdue Theatre | Purdue Theatre | 1999 – 2009 | 4 | 2 |
| Phoenix Players, The | The Phoenix Players | 1966 – 2006 | 3 | |
| Panellinios Dramatikos Thiasos | Panellinios Dramatikos Thiasos | 1899 – 1900 | 3 | |
| Peerinor Produksjoner | Peerinor Produksjoner | 2001 – 2003 | 3 | |
| Periferifestivalen | Periferifestivalen | 2007 | 2 | |
| Performing Arts of Chinese Americans in Greater Chicago | Performing Arts of Chinese Americans in Greater Chicago | 2006 | 2 | |
| Piccolo Teatro di Milano | Piccolo Teatro di Milano - Teatro d'Europa | 2022 | 2 | 1 |
| Produzione BlogAL | Produzione BlogAL | 2018 | 2 | |
| Pan Asian Repertory Theatre | Pan Asian Repertory Theatre | 1993 – 2021 | 2 | |
| PE – Teatro Piemonte Europa | PE – Teatro Piemonte Europa | 2025 | 2 | |
| Projektions-AG Union | Projektions-AG Union | 1923 | 2 | |
| Pymble Players Inc | Pymble Players Inc | 2006 | 1 | |
| Primary Stages | Primary Stages | 2024 | 1 | |
| Private Theatre, The | The Private Theatre | 2024 – 2025 | 1 | |
| Pit Company, The | The Pit Company | 1904 | 1 | |
| PlayMakers Repertory Company | PlayMakers Repertory Company | 2015 | 1 | |
| Pima Community College | Pima Community College | 2025 | 1 | |
| Princeton Summer Theater | Princeton Summer Theater | 2011 | 1 | |
| Play Actors, The | The Play Actors | 1912 | 1 | |
| Pilgrims, The | The Pilgrims | 1925 | 1 | |
| Produzione Csrt di Pontedera | Csrt di Pontedera | 1989 | 1 | |
| Pelican ProductionsPelican Productions | Pelican Productions | 2023 | 1 | |
| Poreia Theatre | Poreia Theatre | 2023 – 2024 | 1 | |
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