Calendar & Stationery Publisher / Manufacturer
- MEDICOM-TOY
- MEDICOS ENTERTAINMENT
- Megahouse
- Meifa (Solarain Goods)
- Mellow Mellow
- MENEGI
- MICROMAGAZINE Inc.
- Midi:Nette
- Mido Beyo!
- Midori
- Miki
- Milestone
- Mime Corporation
- Mirk Wood
- Mitsubishi Pencil
- Miyamoto Co., Ltd.
- MIyazawamokei
- MODERN EYES
- MOGURA ENTERTAINMENT
- Moi-meme-Moitie
- Moi-meme-Moitie
- Morimoto Sangyo
- Movic
- Ms
- Ms Factory
- Murakami
- Muzzle
- n-and-e
- NAGAOKA
- Naminami
- NANA GRASS
- NEO GATE
- Neowing daikou
- Neowing daikou
- Neowing Exclusive
- NEUTRAL
- New Games Order
- NHK Enterprise
- NHK SYUPPAN
- NHKサービスセンター
- Nihon Bungeisha
- Nijirushi
- Nintendo
- Nintendo Sales
- Nippan IPS
- Nippon Planning Center
- Nippon Television Service
- Nissen Shoko
- Nissho Printing NP FACTORY
- Nitroplus
- Noble
- Norman Creative
- Nousaku
- Ohtsuka Visual
- Orange Rouge
- Otomeza
- Overglad
- Oyatsu Company
- Ozu Washi
- PALUC
- Pandars
- Paperly
- PARCO出版
- Parflette
- pattythree
- PC-Technics
- Penguin Parade
- Phat Company
- Philia
- Philter,Inc.
- PHP
- PHP
- Pia
- Pinto!
- Platz
- Playful Mind Company
- PLEX
- PLM
- POMMOP
- Pony Canyon
- Ponycanyon Planning
- POPLAR
- PRAIRIE DOG
- Presence
- PRG
- Procket
- Produce 216
- Production I.G
- Proof
- PR現代
- ray-out
- Realize
- Rease Japan
- Reborn Company
- Rejet
- rement
- Revolve
- Riala
- Rittor Music
- RUNA