| KAWASAKI KIKO CO., LTD. | Japan | Manufacturing, Agriculture |
| Kawasaki Geological Engineering Co., Ltd. | Japan | Manufacturing, Construction |
| KOMATSU KAIHATSU Corp. | Japan | Manufacturing |
| Mitsubishi Heavy Industries Environmental & Chemical Engineering Co.,Ltd. | Japan | Manufacturing |
| Asano Laboratories Co. Ltd. | Japan | Manufacturing |
| ATOX Co., Ltd. | Japan | Manufacturing |
| SODA NIKKA CO., LTD. | Japan | Manufacturing |
| Shikoku Welding Electrode co., Ltd. | Japan | Manufacturing |
| IHI Infrastructure Systems Co., Ltd. | Japan | Manufacturing |
| ATTO Co., Ltd. | Japan | Manufacturing |
| Daiki Axis Co., Ltd. | Japan | Manufacturing |
| TOYO SEIKO Co., Ltd. | Japan | Manufacturing |