R Plus Japan, Ltd.
Promoting development and application of recycling technology for used plastics
Ishikawa Seisakusho, Ltd.
Paper converting machinery, twisting machine and defense equipment manufacturing and sales
WiLLiFE K.K.
Corrugated coffins and furniture sales
FCL Co., Ltd.
Planning, design, manufacture, installation, and maintenance of industrial machines
Oasis Co., Ltd.
General cargo vehicle transportation business, vehicle transportation contract business
Green Omoto Co., Ltd.
Pulp and recovered paper sales
Green Recycle Co., Ltd.
Pulp and recovered paper sales
Sanyo Jidosha Unso Co., Ltd.
General motor truck transportation business
J-Pack Co., Ltd.
Packing, warehousing, overseas moving service, customs clearance, logistics service
Tohcello Logistics Co., Ltd.
storage and transport of products
Nagai Tekko Co., Ltd.
Design, manufacture, and assembly of paperboard-related machines, development of control systems
Bioteck Co., Ltd.
Industrial chemicals manufacturing and sales
Biomaterial in Tokyo Co., Ltd.
Technological development, manufacturing of products, and consulting business related to biomass
Yamada Kikai Kogyo Co., Ltd.
Binding machinery manufacturing and sales, offset printing press maintenance services
Rengo Nonwoven Products Co., Ltd.
Nonwovens
Rengo Paper Business Co., Ltd.
Paperboard, pulp and recovered paper sales
Rengo Logistics Co., Ltd.
General truck transport, warehousing, insurance, real estate