O
| Company Name | Address |
| OKUBO GEAR CO., LTD. | 3030 Kamiechi, Atsugi-shi, Kanagawa +81-46-285-1131 http://www.okubo-gear.co.jp |
| OSAKA GENSOKUKI SEISAKUSYO CO., LTD. | 411 Hishie, Higashiosaka-shi, Osaka +81-729-62-1151 http://www.ogsrg.co.jp |
| OSAKA SEIMITSU KIKAI Co., Ltd. | 6-5-16 Mikuriya, Higashiosaka-shi, Osaka +81-6-6782-0646 http://www.osk-corp.co.jp/ |
| Osaka Gear Co., Ltd. | 2-1-92 Izumi, Suminoe-ku, Osaka-shi, Osaka +81-6-6681-0621 |
| OGIC Co., Ltd. | 1-15-33 Hishie, Higashiosaka-shi, Osaka +81-729-65-1011 http://www.ogic.co.jp |
| OGASAWARA PRECISION LABORATORY CO., LTD. | 3819 Yamakita, Yamakita-cho, Ashigarakami-gun, Kanagawa +81-465-75-1510 http://www.ogswr-pl.co.jp |
| Okada Haguruma kosakusho Co., Ltd. | 411-1 Monzen, Okayama-shi, Okayama +81-86-287-2087 http://www.okd-gear.co.jp/ |
| Okatsune Gears Manufacturing Co., LTD. | 1-17 Kanda-cho, Himeji-shi, Hyogo +81-792-92-2461 http://www.okatsune.com |
| OKAMOTO MACHINERY COMPANY LIMITED | 2050 Kanami, Kanae-cho, Fukuyama-shi, Hiroshima +81-84-935-9191 http://www.okamoto-kouki.co.jp |
| OZAKI GEAR INDUSTRIAL CO., LTD. | 3-11-22, Miyashita, Sagamihara-shi, Kanagawa +81-3-3638-2311 http://www.ozaki-gear.co.jp |
| Onagigawa Gear Co., Ltd. | 1-2-7 Sarue, Koto-ku, Tokyo +81-3-3631-0037 http://www.onagigawa.co.jp |
| Ondo Corporation | 1-7-7 Minamiondo, Ondo-cho, Kure-shi, Hiroshima +81-823-51-2211 http://www.ondo.co.jp/ |
| O-OKA CORPORATION | 1-1 Akibayama, Takaoka-cho, Toyota-shi, Aichi +81-565-52-3441 http://www.o-oka.co.jp |
| ONEX CORPORATION | 3012-3, Uenohara, Kamiechi-aza, Atsugi-shi, Kanagawa +81-46-285-3664 http://www.onex.co.jp |
R
| Reishauer KK. | 2-5-4 Shinyokohama, Kohoku-ku, Yokohama-shi, Kanagawa +81-45-476-5833 http://www.reishauer.com/ |
S
| Sakai Gear Co., Ltd. | 2-14-8 Hikishonishi-machi, Sakai-shi, Osaka +81-722-32-3891 |
| SAMPUTENSILI JAPAN CO., LTD. | 324-4, Nozomigaoka, Meito-ku, Nagoya-shi, Aichi +81-52-771-5077 http://www.samputensili.jp |
| SANWA KOUKI CO., LTD. | 5-41 Kitano, Itami-shi, Hyogo +81-72-781-1481 http://www1.ocn.ne.jp/~gear3wa/ |
| Shima Seisakusyo Co., Ltd. | 191-15 Tomita, Tsubata-machi, Kahoku-gun, Ishikawa +81-762-88-4811 |
| Sumitomo Metal Industries, LTD. | 4-5-33 Kitahama, Chuo-ku, Osaka-shi, Osaka +81-6-6220-5492 http://www.sumitomometals.co.jp/ |
| Sumitomo Heavy Industries, Ltd. Power Transmission & Control Group | 5-9-11 Kitashinagawa, Shinagawa-ku, Tokyo Sumitomo-Jukikai Building +81-3-5488-8219 http://www.shi.co.jp/ptc/ |
| SEISA Gear, Ltd. | 4-16-1 Wakihama, Kaizuka-shi, Osaka +81-724-31-3021 http://www.seisa.co.jp |
| Seimitsu Haken Industry Co., Ltd. | 2-8-23 Minami-cho, Koshigaya-shi, Saitama +81-489-88-2660 |
| Seiwa Corporation | 5-12-8 Nishi-Nakajima, Yodogawa-ku, Osaka +81-6-6305-0797 http://www.seiwa-geartech.com |
| Senshu Gear Co., Ltd. | 3026-7 Nagasone-cho, Kita-ku, Sakai-shi, Osaka +81-72-259-2581 u6662hr278p@asahi-net.or.jp |
T
U
Y
TAKIZAWA PRECISION GEAR CO., LTD.
292 Hishie, Higashiosaka-shi, Osaka
+81-729-61-2057 http://www.takizawa-gear.com
Tsubakimoto Emerson Co.
1-1 Koutari-kuresumi, Nagaokakyo-shi, Kyoto
+81-75-956-0200 http://www.tsubaki-emerson.co.jp/
Teramachi. Co., Ltd.
1261 Ikeda, Tanbara-cho, Saijo-shi, Ehime
+81-898-68-7016 http://www.teramachi.co.jp
Tokyo Techinical Instrments Inc.
4-38-10 Kamiike-dai, Ota-ku, Tokyo
+81-3-3726-4188 http://www.tti-geartec.jp/
Tokiwa Gears Co., Ltd.
5-13-3 Tachibana, Sumida-ku, Tokyo
+81-3-3612-0116
Toyohuku Co., Ltd.
5-17-8 Megurohon-cho, Meguro-ku, Tokyo
+81-3-3712-1429
TOYOTA MOTOR CORPORATION
1, Toyota-cho, Toyota-shi, Aichi
+81-566-28-2121 http://www.toyota.co.jp
Ueda Heavy Gear Works Ltd.
6-13-89 Mitejima, Nishiyodogawa-ku, Osaka-shi, Osaka +81-6-6473-4301 eigyo@ueda-tekkosho.co.jp
Unitech Corporation
2-7 Akabori, Okegawa-shi, Saitama
+81-48-728-8411 http://www.unitech-gear.jp
UNO GEAR INDUSTRY CO., LTD.
1-7-2, Minori, Fukui-shi, Fukui
+81-776-35-3355 http://www.uno-gear.co.jp
Yamazaki Gear Industry Co., Ltd.
674 Toda, Atsugi-shi, Kanagawa
+81-46-228-2239 http://www.yamatech.co.jp/
YUTAKA SEIMITSU KOGYO Ltd.
3-45 Akatsuki-cho, Seto-shi, Aichi
+81-561-48-2221 http://www.yutaka.co.jp
Yasukawa Seisakusyo Co., Ltd.
1-16-20 Oimazato, Higashinari-ku, Osaka-shi, Osaka
+81-6-6974-7891
YODOGAWA Gear Co., Ltd.
3-22-19, Higashinakamoto, Higashinari-ku, Osaka
+81-6-6981-5721