Editura
McBride
McClanahan
McClelland and Stewart
McGraw-Hill
McGraw-Hill Book
McGraw-Hill Book Co.
McGraw-Hill Book Company
McGraw-Hill Publishing Co
McGraw-Hill Publishing Company
McGraw-Hill School Publis
Meadowbrook
Mecanica Ceahlău S.A.
Medeea Company
Media
Media Consulting People
Media Musica
Media One
Media Pro Music & Events
Media Pro Music Entertainment
Media Pro Pictures
Media Sind
Media Toys Production
MEDIA-BIZ
Media-Tech
Mediafax Group
Medialux
MediaMusica
Median
Mediana Edit; Jon Dumitru Verlag
Mediana Productions
Mediaprint
MediaPro Music
MediaPro Music Entertainment
MediaPro Pictures
Mediapro, Versatil Cinema & Gravier
MediaProPictures
Mediarex
Mediasatgroup S.A.
MEDIATRUST
Medicală
Medicală Amaltea
Medicală Amaltea ,Churchill Livingstone
Medicală Amalteia
Medicală Callisto
Medicinală
Medien Holding
Mediprint
Meditaţii
Meditaţii; Areopag
Mediţina
Medusa Entertainment International Ltd.
Mega
Mega Basim
Megastar Groupe
Mellottee
Melodia
Melodic
Membram Music Ltd.
Membran Entertainment Group GmbH
Membran International GmbH