| Company name | Name of the base | Research and development categories |
| Toagosei Co., Ltd. |
General Center of R&D
(Base Technology Center, Macromolecular Material Research Laboratory, Functional Chemicals Laboratory, and New Materials Laboratory) |
Research and development base for the Toagosei group; development of new technologies and products; improvement and advancement of existing products |
| Institute for Advanced Sciences | Research and development of new functional peptides using proprietary design and technology | |
| Productive Technology Center | Technology development and improvement of manufacturing technology | |
| Aron Kasei Co., Ltd. | MONODUKURI Center | Basic research (expansion of various molding technologies; research and development of raw materials, processing methods, recycling), product design and design, intellectual property management etc. |
| Pipe & Related Products Dept. Pipe & Related Products Development Group |
Product development of water supply and sewer systems business (development of new system and products based on marketing and design technologies ) etc. | |
| Life Support Products Dept. R&D Group |
Product development of nursing care business (products development based on marketing and human body engineering) etc. | |
| Plastic Materials Dept. R&D Group |
Product development of highly functional elastomers business (products development based on marketing and compounding technologies) etc. | |
| Environment Dept. R&D Group |
Product development of environmental recycling business(product development based on marketing and recycling technologies) etc. | |
| Tsurumi Soda Co., Ltd. | Headquarters factory | Research and development department(R&D of commodity chemicals) |
| Nihon Junyaku Co., Ltd. | Research and development division | Research and development of highly functional acrylic polymer |
| Aron Ever-Grip Ltd. | Ibaraki factory | Research and development of adhesives for industrial use |
| Kanagawa factory | Research and development for adhesives for industrial use | |
| MT AquaPolymer Inc. | Technical laboratory | Research and development of polymer flocculants |
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