| Coro del Maggio Musicale Fiorentino | Coro del Maggio Musicale Fiorentino (Maggio Chorus) | 2024 | 1 | |
| Coal Mine Theatre | Coal Mine Theatre | 2024 | 1 | |
| Compagnie Des Passeurs | Compagnie Des Passeurs | 2024 | 1 | |
| Coro del Teatro Massimo Bellini | Coro del Teatro Massimo Bellini | 2024 | 1 | |
| Cartelera de Teatro | Cartelera de Teatro | 2024 | 1 | |
| Compagnie Titre Provisoire | Compagnie Titre Provisoire | 2024 | 3 | |
| Coro del Teatro Lirico di Cagliari | Coro del Teatro Lirico di Cagliari | 2024 | 1 | |
| Creative Victoria | Creative Victoria | 2024 | 1 | |
| Campbell Young Associates | Campbell Young Associates | 2024 | 1 | |
| Collectif Io | Collectif Io | 2023 | 1 | |
| Company Leptourgeion | Company Leptourgeion | 2023 | 1 | |
| Câmara Municipal | Câmara Municipal da Figueira da Foz | 2020 | 2 | |
| Companhia Portuguesa de Bailado Contemporâneo | Companhia Portuguesa de Bailado Contemporâneo | 2020 | 2 | |
| cell, the | the cell | 2015 | 2 | |
| California State University, Chico's Department of Theatre | California State University, Chico's Department of Theatre | 2011 | 1 | |
| China University of Mining and Technology | China University of Mining and Technology | 2010 | 1 | |
| Compañía Valderrabanos, Witemberg y Romo, La | La Compañía Valderrabanos, Witemberg y Romo | 2010 | 1 | |
| Compassion Theater Company | Compassion Theater Company | 2009 – 2011 | 2 | |
| Compañía de Daniel Veronese | Compañía de Daniel Veronese | 2009 – 2011 | 27 | |
| Chesapeake Shakespeare Company | Chesapeake Shakespeare Company | 2008 | 1 | |
| Centro Cultural Vila Flor | Centro Cultural Vila Flor | 2007 – 2008 | 6 | |
| Cassiopeia | Cassiopeia | 2007 – 2008 | 6 | |
| Chemainus Theatre Festival | Chemainus Theatre Festival | 2007 | 1 | |
| Chronic'Théâtre | Chronic'Théâtre | 2007 | 1 | |
| Company of Ten | Company of Ten | 2006 – 2013 | 2 | 1 |
| Casa de Teatro de Sintra | Casa de Teatro de Sintra | 2006 – 2007 | 2 | |
| Centro di Ricerca per il Teatro | Centro di Ricerca per il Teatro | 2006 – 2007 | 3 | |
| Company OnStage | Company OnStage | 2005 | 2 | 2 |
| CT2 TV | CT2 TV | 2005 | 1 | |
| CSU Department of Theatre | CSU Department of Theatre | 2004 | 1 | |
| Compagnie La Nuit et le Moment Théâtre | Compagnie La Nuit et le Moment Théâtre | 2003 | 2 | |
| Chester Theatre Group | Chester Theatre Group | 2002 | 1 | |
| Chiaroscuro Productions | Chiaroscuro Productions | 2002 | 1 | |
| Compagnia Mario Chiocchio srl. | Compagnia Mario Chiocchio srl. | 2001 | 3 | |
| Cutty Sark Tall Ships’ Race | Cutty Sark Tall Ships’ Race | 2001 | 1 | |
| Compagnia del Teatro Out Off | Compagnia del Teatro Out Off | 2000 – 2002 | 8 | |
| CentrStage | CentrStage | 2000 | 1 | |
| Compagnia Spazio Zero | Compagnia Spazio Zero | 1999 | 1 | |
| Commonweal Theatre Company | Commonweal Theatre Company | 1998 – 2017 | 48 | |
| China National Experimental Theatre (CNET) | China National Experimental Theatre (CNET) | 1998 – 2006 | 3 | |
| Companhia Teatral do Chiado | Companhia Teatral do Chiado | 1998 – 2005 | 2 | |
| Century Center for the Performing Arts | Century Center for the Performing Arts | 1998 – 2002 | 12 | |
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