Lychee Game Labs
Lydia
Lyncanthrope Films
Lynch Entertainment
Lynda Obst Productions
Lyre Films
Lyrica
Lyrics
M Company
M-80 Films
M-L Partnership
M-Theory
M-Two
M. Shinkai/CW
M.E.G.A. Films
M.G. Films
M.K.D. Films Combine
M.N.M Software
M.O.B Productions
M.O.D. Productions Inc.
M.O.W. Productions
M.R. Productions
M.S.C.
M.S.J Musashino Production
M's Video Group
M/de la/R Filmworks
M&M
M&M Productions
M&M's Shell Shocked
m00nkeh
M2 (有限会社Ｍ２)
M2 Animation
M2Film
M2H
M2H & BlackMill Games
M3
M3 Creative
M4 Ltd.
M6
M6 Films
M6 Metropole Television
M8 Distribution 1 Inc.
MA Films
MA Productions Inc.
Ma-Ba
MAASA
Maboroshi Koubou
Maborosi