- IRIS Corporation
- Ae-r Administrative Scrivener Office
- AQUAWOODS Co., Ltd.
- Ishimoto Architectural & Engineering Firm, Inc.
- Ito construction Co., Ltd.
- IMU Urban Development Co.,Ltd.
- Wizardz International Law Office
- Will Co., Ltd.
- S-TEC service Co., Ltd.
- Area Partners Co., Ltd.
- Yell Create Co., Ltd.
- Oka Takashi Administrative Law Office
- Gakurinsha Co., Ltd.
- Kamizono construction Co., Ltd.
- Barber YANBO
- Kan architect office
- Kandenko Co., Ltd.
- Kanden Realty & Development Co., Ltd.
- Kioi general law office
- Capitalhouse Inc.
- Kyudenko Corporation Tokyo Head Office
- KINDEN CORPORATION Tokyo Branch
- K. K. Crown Advisors
- Global Symbiotic Society Promotion Organization
- Institute of Global Business Strategies
- Susumu Kuwaki (Doctor)
- K.I.CONSULTANTS
- Kenko Architects
- Kokudo Appraisal Institute, Inc.
- Cosmos lnitia Co., Ltd.
- Land Surveyor Yoshio Kobayashi Office
- Colliers International Japan KK
- COMPASSO Tax Accountant Corporation Tokyo Nerima Office
- Savills Japan Co., Ltd.
- Sagrada Co., Ltd.
- Sustainable Tax Accountant Corporation
- WATANABE SATO CO., LTD.
- Santo Real Estate Apraisal Office
- SHIMIZU CORPORATION
- CBRE Investment Management Japan
- Social welfare corporation Silver Wing
- SHINSAMPEI CONSTRUCTION CO.,LTD.
- Shinwa Shoko Co., Ltd.
- Sumitomo Osaka Cement Co., Ltd.
- SOHMA LEGAL DOCUMENTATION OFFICE
- SOCIATRUST Co., Ltd.
- Daisou Co., Ltd.
- DAITOH ELECTRIC CONSTRUCTION CO.,LTD Kanagawa Head Office
- Dai Nippon Construction
- Daiwa House Industry Co., Ltd. Tokyo Head Office
- DAIWA LIFENEXT CO., LTD.
- Takamatsu Corporation Co., Ltd.
- TAKT Plan Tokyo Architect Office Tokyo co., LTD.
- TAKENAKA CORPORATION
- Tanaka Construction Industry Co., Ltd.
- Tanaka Shokai Co., LTD.
- Design and Management Inc.
- TOA CORPORATION East Japan Office
- TOA ROAD CORPORATION
- Nice Corporation
- NIINO KENSETSU,inc.
- NIPPO CORPORATION
- Japan Automobile Distribution Systems, Inc.
- Misako Yasuda(Nippon Life Insurance Company)
- Nozawa Co., Ltd.
- Nomura Real Estate Development Co., Ltd.
- PTC Japan Ltd.
- Fido Inc.
- Fujita Corporation East Japan Branch
- Fujimura Co., Ltd.
- BRAIN TRUST SENIOR REGISTERED ARCHITECTS AND ENGINEERING OFFICE INC.
- Japan Property Solutions Co., Ltd.
- Pro Five Consultants Coporation
- Town Building Association Corporation
- Matsui Kensetsu K.K. Tokyo Branch
- Marue Sangyo Co., Ltd.
- Mitsui Fudosan Residential Co., Ltd.
- Mitsugi Kensetsu Kougyou
- Mitsubishi Estate Residence Co., Ltd.
- MITSUYOSHI ELECTRIC ENGINEERING CO., LTD
- Minorasu Real Estate Co., Ltd.
- Miraiz International Administrative Scrivener Office
- Mevius Works Co., LTD.
- Mori Building Co.,Ltd.
- UR Linkage Co., LTD.
- Yuki Construction.co.,LTD.
- Yuken Koumuten Co.,Ltd.
- Ryoto Co., Ltd.
- Wakamatsu Estate Co., Ltd.
( 89 members, as of March 31, 2023 )