Membership list
Regular Member（24companies）List
- ATON Civil Engineering & Technology, Inc.※
- IDEA Consultants, Inc.
- Eight-Japan Engineering Consultants Inc.
- EBATA Corporation※
- Kyowa Concrete Industry Co.,Ltd.※
- CTI Engineering Co.,Ltd.
- Shimizu Corporation
- Jyoutou Lyprone Co., Ltd.※
- SEKISUI TECHNO MOLDING CO.,LTD.
- DAISEN SANGYO Corporation※
- C.I.TAKIRON Corporation
- TANITA HOUSINGWARE Co.,Ltd.※
- CHICHIBU CHEMICAL CO.,LTD.※
- TEIJIN LIMITED
- Tokyu Construction Co.,Ltd.
- TOKEN C. E. E. Consultants Co.,Ltd.※
- PT.NITTO SHOJI※
- NIPPON INSIEK CO.,LTD.
- NIPPON KOEI CO.,LTD.
- NIPPON HUME CORPORATION※
- BUTSURIN CO.,LTD.※
- Vertex Co., Ltd.※
- Mitsui Consultants Co., Ltd.
- Sumitomo Mitsui Construction Co., Ltd.
※ Japanese text only
Supporting Member（48companies）List
- IHI Infrastructure Systems Co.,Ltd.
- R and U Resolutions Inc.
- ARONKASEI CO., LTD.※
- Rainfall Storage and
Infiltration Product Manufacturers Association※ - Ecomac Co.,Ltd.※
- Oike Co.,Ltd.※
- GAINA Co., Ltd.
- KANSAI-PORACON Inc.
- CADTECH Co.,Ltd.※
- THE KOIZUMI JUTE MILLS LTD.
- KOKUKA CORPORATION※
- WATANABE SATO CO.,LTD.※
- SOMETHING Co.,Ltd.
- SHINSHINBLOCK CO.,LTD.※
- Speeder Rental Co.,Ltd.※
- SOIL RECYCLE INDUSTRY CO.,LTD.※
- Taisei Rotec Corporation
- Takeuchi Construction Inc.※
- Underground water storage method Association
- Chuo Kaihatsu Corporation※
- TSURUMI CONCRETE CO.,LTD※
- TECHNOTECH CO.,LTD
- Tensho Electric Industries Co.,Ltd※
- Tokyo Printing Ink Mfg. Co., Ltd.
- TOHO-LEO CO., LTD.※
- Totetsu Co.,Ltd.※
- Toriikasei Co.,Ltd.※
- NITTO Co.,Ltd.※
- NITTO GEOTECHNO※
- THE NIPPON ROAD Co.,Ltd.
- NIPPO CORPORATION
- Highclay Co.,Ltd.※
- PASSKIN Co.,Ltd.※
- HINODE Ltd.※
- PLANETS COMPANY※
- PLANET Co.,Ltd.※
- HOKUETSU Corporation※
- HOKKAIDO PORACON CO.,LTD※
- Japan Industries Association of Poracon※
- MAEZAWA KASEI INDUSTRIES CO.,LTD.
- MAEDA ROAD CONSTRUCTION Co.,Ltd
- Matsuoka concrete co., ltd.※
- SUMIKEN MITSUI ROAD CO., LTD.※
- Minigate Reseach Society
- Meiji Rubber & Chemical Co., Ltd.
- YAMAX Corp.※
- YOSHIHARAKAKOU CO., LTD.
- RISU KOGYO CO., LTD.
※ Japanese text only
As of 16 July, 2021
