Marusan Paper Mfg. Co., Ltd.
Taiko Paper Mfg., Ltd.
Osaka Paper Co., Ltd.
Yamato Shiki Co., Ltd.
Settsu Carton Corporation
Tokai Shiki Co., Ltd.
Hinode Shiki Kogyo Co., Ltd.
RG Containers Co., Ltd.
Sun.Tox Co., Ltd.
Takigawa Corporation Japan
Nissio Gravure Co., Ltd.
Nihon Matai Co., Ltd.
Tarutani Industrial Packaging Corporation
Tri-Wall Japan Co., Ltd.
Rengo Logistics Co., Ltd.
Sanyo Jidosha Unso Co., Ltd.
Yamada Kikai Kogyo Co., Ltd.