- FA System ＆ Technology Corporation
- DENSO Corporation
- NEC Corporation
- Fujitsu Limited
- Yamaha Motor Co., Ltd.
- NTT Communications Corporation
- Energia Communications, Inc.
- OMRON Corporation
- KAWADA INDUSTRIES, INC.
- K.T.System Co., Ltd.
- Core Concept Technologies Inc.
- Synapse Innovation Inc.
- Star Systems Corp.
- 3D Incorporated
- Dell Japan Inc.
- Toshiba Tec Corporation
- Hagiwara Techno Solutions Co., Ltd.
- Huawei Technologies Japan K.K.
- Beckhoff Automation K.K.
- DENSO Europe B.V. (overseas member)
- Ikegami Tsushinki Co., Ltd.
- Kawada Robotics, Corp.
- Google Cloud Japan G.K.
- K-TEC Co., Ltd.
- Kowa TechMake Co., Ltd.
- Sanko Kogu K.K.
- Sun-Wa Technos Corporation
- JBM Engineering Corporation
- CMS Co., Ltd.
- Snow Peak Business Solutions Inc.
- Sofix Co., Ltd.
- Chizu Electric Co., Ltd.
- Digital Process Ltd.
- Balluff Co., Ltd.
- Hitachi Industry & Control Solutions, Ltd.
- Hirata Corporation
- Fuji Soft Incorporated
- Mac Systems Corporation
- Lattice Technology Co., Ltd.
Academic societies, associations, etc.
- Kawahara Computer Business College
- Design Engineering Laboratory, Division of Human-centered Production Science, Graduate School of Science and Engineering, Saitama University
- Aiyama Lab., Graduate School of Systems and Information Engineering, University of Tsukuba
- Division of Healthcare Informatics, Faculty of Healthcare, Tokyo Healthcare University
- Institute of Advanced BioMedical Engineering and Science, Tokyo Women's Medical University
- Oyama Laboratory, Department of Clinical Information Engineering, School of Public Health, Graduate School of Medicine, The University of Tokyo
- Robotics Laboratory, Department of Mechanical Engineering, Faculty of Science and Engineering, Toyo University
- Information Management Design Laboratory, Department of Engineering and Design, Faculty of Engineering and Design, Hosei University
- Industrial System Design Laboratory, Department of Engineering and Design, Faculty of Engineering and Design, Hosei University
- Mie Ohashi Gakuen
- Nagata Laboratory, Department of Mechanical Engineering, Faculty of Engineering, Sanyo-Onoda City University
- Edgecross Consortium
- Manufacturing Science and Technology Center
- OPC Foundation Japan
- Japanese PROFIBUS Association
- Mobile Computing Promotion Consortium