Companies
Companies - M
- M&M Communications, Inc.
- M.O.F.C.
- Mach55 GO!
- Madman Entertainment Pty. Ltd.
- Magic Shadows, Inc.
- Magnetic Image Video
- Magnitude 8 Post
- Magno Sound and Video
- Magnum Video Tape and Dubbing Company
- Manga Entertainment, Inc.
- Manga Entertainment, Ltd.
- Manhattan Transfer/Edit
- Manson International
- MarcoCo. Studios
- Marfortean Production
- MarketWorks Inc.
- Marvel Sound
- Masterdisk
- MASTiFF
- Matchframe Video
- Matlin Recording
- Matthewmatics
- Maxim Productions
- Maxmedia
- MCA Home Video
- McClear Digital
- Media Blasters
- Media Concepts
- Media Island Post
- Memory Tech
- Mercury Productions
- Metro-Goldwyn-Mayer Studios Inc.
- Metropolis DVD
- Metropolitan Entertainment
- MGM Television
- Michael Alben, Inc.
- Micro Plant
- Mind Meld, Inc.
- Miramax Films
- Mix Efex
- Mix Magic
- Modern Film Effects
- Modern Programs International, Inc.
- Modern Videofilm
- Mondo Pop
- Monkey Boy Post
- Monster Island Studio
- Monster Island Studios
- Monterey Post Sound
- MoonScoop, LLC.
- Multidub International
- MX Media