Names
- Marlboro Productions1
- Marmillion/Gray1
- Martin Barajas1
- McMahon, Squier and Associates1
- McNally, Temple Associates, Inc.1
- McNally, Temple and Associates1
- Media Works1
- MediaPartners1
- Mescalero Apache Tribe of the Mescalero Reservation, New Mexico1
- Metro Production1
- Michael Carrier Enterprises1
- Michael Getto Productions1
- Modern Videofilm1
- Morris and Carrick1
- Morris and Carrick, Inc..1
- Murray and Thoren1
- Muscogee (Creek) Nation1
- National Media1
- New Sounds, Inc.1
- Noerdlinger Associations1
