These are companies that give away products as a gift. This only includes perks that are sent to you without any additional cost, and not companies that give discounts on their products.
4℃
4Cs
AB&Company
Aeon Fantasy
Aeon Mall
Ai Robotics
Aichi Financial Group
Ajinomoto
Akatsuki Eazima
Akita Bank
Axas
Bandai Namco
Bourbon
Buffalo
Calbee
Cave
Chuokeizai-Sha
Coca Cola Bottlers Japan
Creek & River
Epco
Ezaki Glico
First Baking
Fuji Nihon Seito
Fujita
Fukui Bank
Fullcast
Greenland Resort
Gunma Bank
Gunze
H2O Retailing
Hagihara Industries
Happinet
Hokuhoku Financial Group
Iceco
Ikka
Itoen
Iwatsuka Confectionery
Japan Craft
Japan Post Bank
Jason
Jellybeans Group
JM
Kanamoto
Kita No Tatsujin
Kokuyo
Kose
Kirin
Komatsu
Lihit Lab
Maruhachi
Marusan Securities
Maxvalu Tokai
Meito Sangyo
Mito Securities
Mitsubishi Paper Mills
Mitsubishi Pencil
Mitsui O.S.K. Lines
Nac
Nikkon
Nissui
Nojima
Nousouken
Orion Beer
Pasona Group
Pepper Food Service
Pickles
PR Times
Sanrio
Sato Food Industries
SBI
SBI Global Asset Management
SBI Shinsei Bank
Sekido
Shimadaya
Soracom
Sunnexta Group
Takara Tomy
Techno Ryowa
Tone
Torigoe
Toppan
Toyota
Umenoyado Brewery
United Supermarket
WA
Wealth Management
Wel-Dish
Yuasa Funashoku
Yukiguni Factory