| Company | Location | Business field | |
|---|---|---|---|
| Teijin Fibers Limited | Japan | Osaka | Research, manufacture and sales of polyester raw materials, fibers, fabrics and textiles |
| Teijin Modern Yarn Co., Ltd. | Japan | Ishikawa | Processing of fibers; manufacture and sales of woven and knitted textiles |
| Teijin (Thailand) Limited | Thailand | Bangkok | Manufacture and sales of polyester fibers |
| Teijin Polyester (Thailand) Limited | Thailand | Bangkok | Manufacture and sales of polyester fibers |
| Teijin Hong Kong Limited | China | Hong Kong | Sales of polyester filaments |
| Thai Namsiri Intertex Co., Ltd. | Thailand | Bangkok | Manufacture and sales of polyester filaments |
| Nantong Teijin Co., Ltd. | China | Jiangsu | Manufacture and sales of polyester filaments |
| Teijin Monofilament Limited | Japan | Tokyo | Manufacture and sales of monofilaments |
| Union Tire Cord Limited | Japan | Osaka | Manufacture of tire cord fabrics, twisted yarns, etc. |
