| Company | Category | Users |
| 20th Century Fox | Production Company/Network | 67 |
| A&E | Production Company/Network | 1 |
| ABC | Production Company/Network | 43 |
| American Academy Of Dramatic Arts | School | 3 |
| American Film Institute | School | 2 |
| Angelic Entertainment | 1 | |
| Arena Stage | Theatre Company | 2 |
| BBC | Production Company/Network | 2 |
| BET | Production Company/Network | 17 |
| CBS | Production Company/Network | 29 |
| Chapman University | School | 1 |
| Clear Channel | Production Company/Network | 50 |
| Columbia College | School | 3 |
| Columbia Pictures | Production Company | 23 |
| Columbia University | School | 1 |
| Comcast | Production Company/Network | 3 |
| Comedy Central | Production Company/Network | 1 |
| Court TV | Production Company/Network | 1 |
| Discovery Channel | Production Company/Network | 7 |
| Disney | Production Company/Network | 32 |
| Dreamworks | Production Company | 13 |
| Focus Features | Production Company | 1 |
| HBO | Production Company/Network | 31 |
| History Channel | Production Company/Network | 2 |
| Hollywood Pictures | Production Company | 1 |
| John Robert Powers | School | 3 |
| Lifetime | Production Company/Network | 4 |
| Lions Gate | Production Company | 4 |
| MGM | Production Company | 8 |
| Michael Chekhov Theatre Company | Theatre Company | 1 |
| Miramax | Production Company | 4 |
| MTV | Production Company/Network | 30 |
| NBC Universal | Production Company | 74 |
| New Dominion Pictures | Production Company | 1 |
| New Line Cinema | Production Company | 7 |
| New York Film Academy | School | 19 |
| New York University | School | 5 |
| Nickelodeon | Production Company/Network | 11 |
| Oxygen Media | Production Company/Network | 1 |
| Paramount | Production Company | 22 |
