The following companies have generously assisted in the establishment, undertakings, and ongoing operations of APIR. The list of supporting members is available here.
- AIG Japan Holdings K. K.
- Air Water Inc.
- Art Moving Company Co., Ltd.
- Asahi Breweries, Ltd.
- Asahi Kasei Corporation
- Asahi Kosoku Printing Co., Ltd.
- Australian Consulate-General, Osaka
- Bando Chemical Industries, Ltd.
- Chuo Computer Co., Inc.
- Congress Corporation
- Consulate-General of the Republic of Korea in Osaka
- Consulate-General of the United States of America in Osaka-Kobe
- Daibiru Corporation
- Dai-Dan Co., Ltd.
- Daido Life Insurance Company
- Daihen Corporation
- Daiho Corporation
- Daikin Industries, Ltd.
- Daimaru Matsuzakaya Department Stores Co., Ltd.
- Dainihon Jochugiku Co., Ltd.
- Daiwa House Industry Co., Ltd.
- Dental Digital Operation, Inc.
- Dentsu Inc.
- Development Bank of Japan Inc.
- ECO Business Association
- Electric Power Development Co., Ltd.
- Enegate Co., Ltd.
- Fuji Electronics Industry Co., Ltd.
- Fujimak Corporation
- Fujitsu Japan Ltd.
- Gold Link Corporation
- GS Yuasa Corporation
- Gunze Ltd.
- Hankyu Corporation
- Hankyu Hanshin Department Stores, Inc.
- Hanshin Electric Railway Co., Ltd.
- Hanshin Expressway Co., Ltd.
- Hanshin-Metal Co., Ltd.
- Hanwa Co., Ltd.
- Hazama Ando Corporation
- Hitachi, Ltd.
- Hokuriku Electric Power Company
- Horiba, Ltd.
- Inabata & Co., Ltd.
- Institute of Systems Science Research
- Itochu Corporation
- Iwatani Corporation
- Japan Airlines Co., Ltd.
- Japan Broadcasting Corporation, Osaka Station
- Japan Center for Economic Research
- Japan Foreign Trade Council, Inc.
- Japan Metal Bulletin
- Japan Project-Industry Council
- Japan-China Economic Association
- K. K. Daiwasyokai
- K. K. Kyodo News
- Kanadevia Corporation
- Kanden CS Forum Inc.
- Kanden Engineering Corporation
- Kanden Plant Corporation
- Kanden Realty & Development Co., Ltd.
- Kandenko Co., Ltd.
- Kaneka Corporation
- Kanpoh Steel Co., Ltd.
- Kansai Airports
- Kansai Electrical Safety Inspection Association
- Kansai Institute of Information Systems
- Kansai Television Co., Ltd.
- Kansai Tourism Bureau
- KANSAI･OSAKA 21st Century Association
- Kansaikenso Co., Ltd.
- Kanso Technos Co., Ltd.
- Kawasaki Heavy Industries, Ltd.
- KENSETSUNEWS
- Kimura Kohki Co., Ltd.
- Kinden Corporation
- Kintetsu Department Store Co., Ltd.
- Kintetsu Group Holdings Co., Ltd.
- KMO Corporation
- Kobe Steel, Ltd.
- Kokuyo Co., Ltd.
- Konoike Construction Co., Ltd.
- Konoike Transport Co., Ltd.
- Kubota Corporation
- Kuraray Co., Ltd.
- Kurimoto, Ltd.
- Kyoei Steel, Ltd.
- Marubeni Corporation
- Maruichi Steel Tube Ltd.
- Mitsubishi Corporation
- Mitsubishi Electric Corporation
- Mitsubishi Estate Co., Ltd.
- Mitsubishi Heavy Industries, Ltd.
- Mitsui & Co., Ltd.
- Mitsui O.S.K. Lines, Ltd.
- Mitsui Sumitomo Insurance Co., Ltd.
- Mizuho Bank, Ltd.
- MUFG Bank, Ltd.
- Nankai Electric Railway Co., Ltd.
- NEC Corporation
- Newjec Inc.
- Nihon Kotsu Co., Ltd.
- Nikkan Kogyo Shimbun Ltd.
- Nikken Sekkei Ltd.
- Nippon Life Insurance Company
- Nippon Steel Trading Corporation
- Nippon Steel Corporation
- Nippon Telegraph and Telephone West Corporation
- Nishihara Engineering Co., Ltd.
- Nishimatsu Construction Co., Ltd.
- Nissin Electric Co., Ltd.
- Nomura Securities Co., Ltd.
- NTT Docomo, Inc.
- Obayashi Corporation
- Ohgitani Corporation
- Okamura Corporation
- Okumura Corporation
- OMRON Corporation
- ORIX Corporation
- Osaka Association of Employment Promotion
- Osaka District Development Co., Inc.
- Osaka Exchange, Inc.
- Osaka Gas Chemicals Co., Ltd.
- Osaka Gas Co., Ltd.
- Osaka Gas Liquid Co., Ltd.
- Osaka Prefectural Manufacturing & Industrial Association
- Osaka Science & Technology Center
- Osaka Titanium Technologies Co., Ltd.
- Otsuka Corporation
- Panasonic Corporation
- Penta-Ocean Construction Co., Ltd.
- Proassist, Ltd.
- Prosper Corporation Ltd.
- Public Relations Society of Japan
- Rengo Co., Ltd.
- Resona Bank, Ltd.
- Sakura Color Products Corporation
- Santen Pharmaceutical Co., Ltd.
- Sanyo Electric Railway Co., Ltd.
- Sekisui Chemical Co., Ltd.
- Sekisui House, Ltd.
- Senko Co., Ltd.
- Shikoku Electric Power Co., Inc.
- Shimadzu Corporation
- Shin Nippon Air Technologies Co., Ltd.
- Sogotaxi Co., Ltd.
- Sompo Japan Nipponkoa Insurance Inc.
- Sumitomo Bakelite Co., Ltd.
- Sumitomo Chemical Co., Ltd.
- Sumitomo Corporation
- Sumitomo Densetsu Co., Ltd.
- Sumitomo Electric Industries, Ltd.
- Sumitomo Forestry Co., Ltd.
- Sumitomo Heavy Industries, Ltd.
- Sumitomo Life Insurance Company
- Sumitomo Metal Mining Co., Ltd.
- Sumitomo Mitsui Banking Corporation
- Sumitomo Mitsui Trust Bank, Ltd.
- Sumitomo Osaka Cement Co., Ltd.
- Sumitomo Realty & Development Co., Ltd.
- Suntory Holdings Ltd.
- Takasago Thermal Engineering Co., Ltd.
- Takeda Pharmaceutical Co., Ltd.
- Takenaka Corporation
- Takenaka Teien Ryokka Co., Ltd.
- The American Chamber of Commerce in Japan
- The Bank of Kyoto, Ltd.
- The Chugoku Bank, Ltd.
- The Chugoku Electric Power Co., Inc.
- The Dai-Ichi Life Insurance Co., Ltd.
- The Daily Engineering & Construction News
- The Electric Daily News (The Denki Shimbun)
- The Kansai Electric Power Co., Inc.
- The Kansai Press Club
- The Royal Hotel, Ltd.
- The Senshu Ikeda Bank, Ltd.
- The Shiga Bank, Ltd.
- The Sumitomo Warehouse Co., Ltd.
- The Zenitaka Corporation
- Toda Corporation
- Tohoku Regional Advancement Center
- Toshiba Corporation
- Toyobo Co., Ltd.
- Toyobo STC Co., Ltd.
- Tsubakimoto Chain Co.
- UACJ Corporation
- Union Corporation
- West Japan Railway Company
- West Nippon Expressway Co., Ltd.
- Yamatoyo Industry Co., Ltd.
- Y's Discover Inc.
As of 2024-10-01 (Alphabetical Order, a total of 191 corporate members)
