| ▲Nombre▼≋ | ▲País▼⊗ | ▲Provincia▼ | △#▼ |
|---|---|---|---|
| Millennium Publications | EE.UU. | Narragansett, Rhode Island | 7 |
| Steve Jackson Games | EE.UU. | Austin, Texas | 7 |
Petersen Games  | EE.UU. | Texas | 9 |
| Caliber Comics | EE.UU. | Michigan | 11 |
| Golden Goblin Press | EE.UU. | Nueva York | 12 |
| Ballantine Books | EE.UU. | Nueva York | 14 |
| Goodman Games | EE.UU. | Santa Clara | 14 |
| Boom! Studios | EE.UU. | Los Angeles, California | 16 |
| Farnsworth Wright (Popular Fiction Publishing Co.) | EE.UU. | Indianapolis | 17 |
| Pagan Publishing | EE.UU. | Washington | 25 |
| Arkham House | EE.UU. | Wisconsin | 29 |
| Miskatonic Repository | EE.UU. | ¿¿¿??? | 29 |
| Arc Dream Publishing | EE.UU. | Alabama | 41 |
| Fantasy Flight Games (FFG) | EE.UU. | Minnesota | 68 |
| Chaosium Monograph | EE.UU. | California | 75 |
| Chaosium | EE.UU. | California | 219 |