| Buffton Universtiy | Buffton Universtiy | | 1 | |
| Budapesti Thália, A | A Budapesti Thália | | | |
| Burgtheater | Burgtheater | 1884 – 2019 | 9 | |
| Berliner Dramatische Gesellschaft | Berliner Dramatische Gesellschaft | 1887 | 1 | |
| Berliner Volksbühnen-Ensemble | Berliner Volksbühnen-Ensemble | 1895 | 3 | |
| Borkmanturnen | Borkmanturnen | 1897 | 9 | |
| Berliner Secessionsbühne | Berliner Secessionsbühne | 1900 | 4 | |
| Blanche Bates and Company | Blanche Bates and Company | 1901 | 1 | |
| Betty Hennings Turne | Betty Hennings Tourneen (Betty Hennings Turne) | 1901 | 13 | |
| Boston Bijou Theatre Company | Boston Bijou Theatre Company | 1907 | 1 | |
| Ben Iden Payne’s Company | Ben Iden Payne’s Company | 1911 | 1 | |
| Bungei Kyokai (The Literary Society) | Bungei Kyokai (The Literary Society) | 1911 – 1912 | 7 | |
| Birmingham Repertory Theatre Company | Birmingham Repertory Theatre Company | 1915 – 2013 | 54 | 3 |
| Bluebird Photoplay | Bluebird Photoplays (Bluebird Photoplay) | 1917 | 1 | |
| Borgny Hammer and Company | Borgny Hammer and Company | 1920 – 1935 | 12 | |
| Bühnen der Stadt Essen | Bühnen der Stadt Essen | 1924 – 1937 | 9 | |
| Beechwood Players, The | The Beechwood Players | 1926 | 1 | |
| Bayerische Staatstheater | Bayerische Staatstheater | 1928 | 2 | |
| Baylor Little Theater | Baylor Little Theater | 1928 | 2 | |
| Brisbane Repertory Theatre | Brisbane Repertory Theatre | 1928 | 1 | |
| BBC | BBC | 1928 – 1954 | 30 | 1 |
| Berliner Ensemble | Berliner Ensemble | 1933 – 2008 | 9 | |
| Bright China Drama Society | Bright China Drama Society | 1935 | 1 | |
| Bayerisches Staatsschauspiel | Bayerisches Staatsschauspiel | 1936 – 2010 | 18 | |
| Bærum Studiescene | Bærum Studiescene | 1944 | 2 | |
| Bregenzer Festspiele | Bregenzer Festspiele | 1950 – 1978 | 2 | |
| Bohurupee | Bohurupee | 1952 – 1958 | 2 | |
| Brisbane Festival | Brisbane Festival | 1959 – 2006 | 2 | |
| Basler Komödie | Komödie Basel (Basler Komödie) | 1962 – 1964 | 8 | |
| Bonfils Theatre | Bonfils Theatre | 1974 | 1 | |
| BBC TWO | BBC TWO | 1982 | 3 | |
| Black Inc. | Black Inc. | 1986 | 1 | |
| Baktruppen | Baktruppen | 1988 – 1999 | 40 | |
| Belvoir Street Theatre Company | Belvoir Street Theatre Company | 1989 – 2018 | 13 | |
| Brisbane Arts Theatre | Brisbane Arts Theatre | 1990 – 1993 | 3 | |
| Barne- og Ungdomsteatret | Barne- og Ungdomsteatret | 1991 | 1 | |
| B. Iden Payne Theatre (The Acting Company) | The Acting Company (B. Iden Payne Theatre (The Acting Company)) | 1994 – 1995 | 8 | |
| Berliner Festspiele | Berliner Festspiele | 1998 – 2006 | 4 | |
| Békés Megyei Jókai Színház | Békés Megyei Jókai Színház | 1999 | 3 | |
| Black Hills State University | Black Hills State University | 1999 | 1 | |
| Barnet Arts Festival 99 | Barnet Arts Festival 99 | 1999 | 1 | |
| Berliner Theatertreffen | Berliner Theatertreffen | 2000 – 2016 | 5 | |
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