| Company | Location | Business field | |
|---|---|---|---|
| Toho Tenax Co., Ltd.) | Japan | Tokyo | Manufacture and sales of carbon fibers |
| Toho Tenax Europe GmbH | Germany | Wuppertal | Manufacture and sales of carbon fibers |
| Toho Tenax America, Inc. | U.S.A. | Tennessee | Manufacture and sales of carbon fibers |
| Diversified Composites, Inc. | USA | Kentucky | Pultruded composite products(Pultrusions) |
| Toho Textile Co., Ltd. | Japan | Osaka | Manufacturing and sales of acrylic fiber products and various textile products |
| Toho Chemical engineering & Construction co., Ltd. | Japan | Shizuoka | General engineering and environmental analysis |
| Toho Mashinery Co., Lte | Japan | Tokushima | Manufacturing of industrial machinery |
| Toho Sales Co.,Ltd. | Japan | Tokushima | Service and commerce (Linen Supply) |
