| ICOM INCORPORATED | TECHNO ASSOCIE CO., LTD. |
| OKAMOTO KOGYO Co.,Ltd.ﾊ | TECHNO TAKATSUKI CO., LTD. |
| KATAOKA KEIKINZOKU Co.,Ltd. | TOYO KOGYO Co.,Ltd. |
| KAWASAKI HEAVY Industries.Ltd. | Nakaseiki Co., Ltd. |
| Gates Unitta Asia Co. | NIPPON DENON Co., Ltd. |
| SHINDENGEN ELECTRIC MANUFACTURING Co.,Ltd |
NIPPON PISTON RING Co.,Ltd. |
| Shinnippon Wheel Industry Co.,Ltd. | NIPPON WIPER BLADE Co.,Ltd. |
| SUMIKEISHO Co. | FURUNO ELECTRIC Co.,Ltd. |
| DAIKIN INDUSTRIES Ltd. | Panasonic Corporation |
| Daidokakoukoukikougyo Co.,Ltd. | VESSEL Co.,Ltd. |
| TIME ENGINEERING Co., Ltd. | |
| TAIYOPARTS Co., Ltd. | |
| and more companies(honorific title abbreviation and the Japanese syllabify order) | |