| Nr | Nazwa studia |
| 1. | A-1 Pictures Inc. |
| 2. | A-Line |
| 3. | Abenobashi Project |
| 4. | Academy Productions |
| 5. | ACGT |
| 6. | ACTAS, Inc. |
| 7. | Actus |
| 8. | Ah! My Goddess Production Committee |
| 9. | AIC |
| 10. | AIC A.S.T.A. |
| 11. | AIC Spirits |
| 12. | Akira Committee Company Ltd |
| 13. | Akita Shoten |
| 14. | Amuse Soft Entertainment, Inc. |
| 15. | Animate |
| 16. | Animax |
| 17. | Anime Friend |
| 18. | Anime Torotoro |
| 19. | Aniplex |
| 20. | Aria Company |
| 21. | Arjuna production committee |
| 22. | Armageddon Production Committee |
| 23. | ARMS |
| 24. | Artland |
| 25. | Asatsu DK |
| 26. | Ashi Productions |
| 27. | Asia-do Animation Works |
| 28. | Asmik-Ace Entertainment |
| 29. | Asread |
| 30. | AT-X |
| 31. | Aubeck |
| 32. | Aura Entertainment |
| 33. | Aureole Secret Factory |
| 34. | avex entertainment |
| 35. | avex mode |
| 36. | Avex, Inc. |
| 37. | AXIS Animation |
| 38. | Azumanga Daioh Production Committee |
| 39. | Bandai Visual |
| 40. | Bartender Production Team |
| 41. | BBB Partners |
| 42. | BEAM Entertainment |
| 43. | Beat Frog |
| 44. | Bee Train |
| 45. | BeSTACK |
| 46. | Beyond C. |
| 47. | Big Shot |
| 48. | Big West |
| 49. | Black Lagoon Production Team |
| 50. | Blinkink |
