| Address | Tel | Fax | |
| Head Office | 1-14-1 Nishi-Shimbashi, Minato-ku, Tokyo 105- 8419 |
03-3597-7215 | 03-3597-7217 |
| Osaka Branch | Nakanoshima Mitsui Bldg. 11F, 3-3-3 Nakanoshima, Kita-ku, Osaka 530-0005 |
06-6446-6551 | 06-6446-6571 |
| Nagoya Branch | Mitsui Life Nagoya Bldg. 6F, 1-4-6 nishiki, Naka-ku, Nagoya 460-0003 | 052-209-8591 | 052-209-8671 |
| Shikoku Sales Office | 2-4-1 Showacho, Sakaide, Kagawa 762-0004 | 0877-46-3300 | 0877-46-3200 |
| Fukuoka Sales Office | 2-14-2 Tenjin, Chuo-ku, Fukuoka 810-0001 | 092-721-1902 | 092-721-1914 |
| Nagoya Plant | 17-23 Showacho, Minato-ku, Nagoya 455-0026 | 052-611-9804 | 052-612-5733 |
| Tokushima Plant | 575-1 Nakashima, Kawauchicho, Tokushima 771-0188 |
088-665-2111 | 088-665-6321 |
| Takaoka Plant | 2-1-3 Fushiki, Takaoka, Toyama 933-0195 | 0766-44-7401 | 0766-44-7410 |
| Sakaide Plant | 2-4-1 Showacho, Sakaide, Kagawa 762-0004 | 0877-46-3161 | 0877-45-4727 |
| Kawasaki Plant | 7-4 Ukishimacho, Kawasaki-ku, Kawasaki 210-0862 |
044-277-2211 | 044-277-1920 |
| General Center of Research & Development | 8 Showacho, Minato-ku, Nagoya 455-0026 | 052-611-9901 | 052-611-1693 |
| Institute for Advanced Sciences | 2 Okubo, Tsukuba, Ibaraki 300-2611 | 029-865-2600 | 029-865-2610 |
| COPYRIGHT 2008 TOAGOSEI CO., LTD. |