| 20th Century Studios | Acervo | AEFCFT | Alamut | Alberto López Aroca | Alberto Santos |
| Albia | Alfaguara | Alianza | Amalgam | Anagrama | Anaya |
| Argos-Vergara | Astiberri | B | Baen | Ballantine | Bantam |
| Base | BBC | Berenice | Bibliópolis | La Biblioteca del Laberinto | Blackie Books |
| BOOM! Studios | Bruguera | Buru Lan | Caralt | Cátedra | Cazador de ratas |
| Cerbero | Círculo de Lectores | Columbia | Crononauta | Dark Horse | DC |
| Debate | Delazeta | Destino | Diábolo | Dino de Laurentiis | Dolmen |
| Doubleday | Dreamworks | Dronte | ECC | Edaf | Edhasa |
| EDISAN | Espiral | La Factoría de Ideas | Fantascy | Fondo de Cultura Económica | Forum |
| Gigamesh | Glénat | Gollancz | Grijalbo | Harper Collins | Head of Zeus |
| Hermida | Hidra | Hodder & Stoughton | IDW | Júcar | Juventud |
| Laertes | Lionsgate | Lucasfilm | Lumen | Martínez Roca | Marvel |
| MGM | Minotauro | Miraguano | Miramax | Molino | Mondadori |
| Muchnik | Multimedia | Mundo Actual | Nesfa | New Line Cinema | Nocturna |
| Norma | Norton | Novaro | Orbis | Orpheus Ediciones Clandestinas | Panini |
| Paramount | Penguin Random House | Picazo | Planeta | Planeta DeAgostini | Plaza & Janes |
| Plot | Putnam | Radagast | RBA | Recerca | Rey Lear |
| RKO | Robel | The Robert E. Howard Foundation Press | Salamandra | Salvat | Scribner |
| Seix Barral | Silente | Siruela | Sportula | Timun Mas | Tor |
| Touchstone | Trabe | Tusquets | Ultramar | United Artists | Universal |
| UPCF | Urco | Valdemar | Valenciana | Vértice | Vid |
| Viking | Vintage | Visión | Warner | Windumanoth | Yermo |
| Zinco |