| Chunichi Transportation Co., Ltd. | Land transportation, packing and warehouse. |
| Hoyu Co., Ltd. | Sales of cast iron, cast steel, machine tools, machine tool accessories, sweepers and others. |
| Hoen Co., Ltd. | Tree-planting, landscape gardening |
| HO Engineering Co., Ltd. | Maintenance, repair, remodeling and technical supervising of machine tools. |
| Howa(Tianjin) Machinery Corp. | Manufacture and sales of machine tools, machine tool accessories |
| Systemup of line product , After-sales service | |
| Howa Machinery Singapore Pte. Ltd. http://www.howa-singapore.com/ | Sales of machine tools. |