 | Takahashi Metal Co., Ltd. |  Japan | Manufacturing |
 | ASAHI TEKKO CO.,LTD | Japan | Manufacturing |
 | SHOEI KOGYO CO., LTD | Japan | Manufacturing |
 | Takenaka Seisakusho Co., Ltd. | Japan | Manufacturing |
 | SHIRAI TECH LIMITED | Japan | Manufacturing |
 | KAWASAKI KIKO CO., LTD. | Japan | Agriculture, Manufacturing |
 | Kawasaki Geological Engineering Co., Ltd. | Japan | Construction, Manufacturing |
 | 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 |
