– Earth Workshop Inc. / Ecological Landscaping
– TETENS Co., Ltd. / Mechanical Engineering and Design
– TIS & Partners Co., Ltd. / Structural Engineering and Design
– Environmentally Symbiotic Housing Promotion Council / Sustainable B. E.
– Institute for Building Environment & Energy Conservation (IBEC)
– Japan Institute of Architects (JIA)
– Japan Sustainable Built-Environment Consortium (JSBC)
– Architectural Institute of Japan (AIJ)
– Japan Prefabricated Construction Suppliers and Manufacturers Association