Editura
Marvel
Marvel & Subs.
Marvel Entertainment
Marvel Entertainment LLC
Marvin's Magic Ltd
Mary Hahn
Maşina de Scris
Mâsli
Mass Media 16
Masson
Masson et Cie
Mast
Master Music
MasterTone Multimedia
MasterTone Multimedia Ltd.
Masterwork Books
Mătăsaru Daniela
Mateescu
Mateiaş
Mathilde & C.D. Gheorghiu
Mathpress
Matrix Rom
Maurice Senart
Maury-Imprimeur
Mavis & L.R.B.
Max Hesse
Max Hueber
Max Niemeyer
Max Nitze Museum
Maxi-Livres
Maxim
Maxim Bit
Maxima
Maxwell MacMillan Interna
Mazarine
Mazenod