- 4-9
- M&M CO.,LTD.
- Baby・Intellectual Toys
- 3-3
- MARUKA CORPORATION
- Baby・Intellectual Toys/Boy Toys/Girl Toys/Stuffed Toys・Dolls/Games・Puzzles/Hobbies・Models・RC/Sundries・Commodities/Seasonal/Others
- 1-37
- MARUSHIN KOGYO CO.,LTD.
- Hobbies・Models・RC
- 3-6
- MASUDAYA CORPORATION
- Boy Toys/Girl Toys/Games・Puzzles/Hobbies・Models・RC/Sundries・Commodities
- 2-8
- MATTEL INTERNATIONAL K.K.
- Baby・Intellectual Toys/Boy Toys/Girl Toys/Stuffed Toys・Dolls/Games・Puzzles
- 2-11
- MEGAHOUSE CORPORATION
- Boy Toys/Girl Toys/Stuffed Toys・Dolls/Games・Puzzles/Hobbies・Models・RC/Sundries・Commodities
- 3-5
- MERCI CO.,LTD.
- Others
- 2-14
- MORKAL INTERNATIONAL CO.,LTD.
- Baby・Intellectual Toys/Stuffed Toys・Dolls
- 1-44
- MURAOKA CO.,LTD.
- Boy Toys/Girl Toys/Sundries・Commodities
