| N816 | Toyo Element Industry Co., Ltd |
| 2-13-3, Nishi-Shinbashi, Minato-ku, Tokyo | |
| N712 | Toyo Radiator Co., Ltd. |
| 3-25-3, Yoyogi, Shibuya-ku, Tokyo | |
| N313 | Toyo Seat Co., Ltd. |
| 1-6-25, Kuninobu, Kaita-cho, Aki-gun, Hiroshima-ken | |
| C007 | Toyo Tire & Rubber Co., Ltd. |
| 1-17-18, Edobori, Nishi-ku, Osaka-shi, Osaka | |
| N305 | Toyoda Gosei Co., Ltd. |
| 1, Nagahata, Ochiai, Haruhi-cho, Nishi-Kasugai-gun, Aichi-ken | |
| N519 | Toyoda Iron Works Co., LTD |
| 4-50 Hosoya-cho, Toyota-shi, Aichi-ken | |
| N513 | Toyoda Machine Works, Ltd. |
| 1-1, Asahi-machi, Kariya-shi, Aichi-ken | |
| Toyoda Machine Works, Ltd., Okazaki Plant | |
| 8, Kiriyama Ichiba-cho, Okazaki-shi, Aichi-ken | |
| N304 | TRW Steering Systems Japan Co., Ltd. |
| 1203, Ushiyama-cho, Kasugai-shi, Aichi-ken | |
| TRW Overseas Inc. | |
| 1203, Ushiyama-cho, Kasugai-shi, Aichi-ken | |
| N409 | TS Tech Co., Ltd. |
| 3-7-27, Sakae-cho, Asaka-shi, Saitama-ken | |
| 118-1, Ohta,Takanezawa-machi, Shioya-gun, Tochigi-ken | |
| N223 | Tsuchiya Co., Ltd. |
| 2-9-29, Kami-Maezu, Naka-ku, Nagoya-shi, Aichi-ken | |
| 3-2-2, Yotsuya, Shinjuku-ku, Tokyo | |
| N516 | Tsuda Industries Co., Ltd. |
| 1-1-1, Saiwai-cho, Kariya-shi, Aichi-ken | |
| C016 | U-Mold Co., Ltd. |
| 2575-62, Showa Kaisaku Fujimagari, Ube-shi, Yamaguchi-ken | |
| Ube Industries Ltd. | |
| Ube Bldg., Higashi-Shinagawa, Shinagawa-ku, Tokyo | |
| N115 | U-Shin Ltd. |
| Syuwa Onarimon Bldg., 6-1-11, Shinbashi, Minato-ku, Tokyo | |
| N511 | Unisia Jecs Corp. |
| 1370, Onna, Atsugi-shi, Kanagawa-ken | |
| N724 | Usui Kokusai Sangyo Kaisya, Ltd. |
| 131-2, Nagasawa, Shimizu-cho, Sunto-gun, Shizuoka-ken | |
| W012 | Victor Company of Japan, Ltd. |
| 3-12, Moriya-cho, Kanagawa-ku, Yokohama-shi, Kanagawa-ken | |
| N708 | Viscodrive Japan Ltd. |
| 1150, Daikoji-machi, Tochigi-shi, Tochigi-ken | |
| W009 | Xanavi Informatics Corp. |
| 2-4991, Hironodai, Zama-shi, Kanagawa-ken | |
| N720 | Yamada Seisakusho Co., Ltd. |
| 1-2757, Hirosawa-cho, Kiryu-shi, Gunma-ken |