Headquarters
| Marketing Division | 5-13-11 Roppongi, Minato-ku, Tokyo, 106 – 0032, Japan MAP TEL：03-5572-7911 FAX：03-5572-7915 |
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| Engineering Division | 5-16-20 Roppongi, Minato-ku, Tokyo, 106 – 8551, Japan MAP TEL：03-5572-7445 FAX：03-5572-7989 |
| CS Division | 5-13-11 Roppongi, Minato-ku, Tokyo, 106 – 0032, Japan MAP TEL：03-5572-7911 FAX：03-5572-7915 |
| Administration & General Affairs Division |
5-16-20 Roppongi, Minato-ku, Tokyo, 106 – 8551, Japan MAP TEL：03-5572-7912 FAX：03-5572-7923 |
Branch Offices
| Chiba Branch | 2-15 Yayoicho, Inage-ku, Chiba, 263 – 0022, Japan MAP TEL：043-253-9331 FAX：043-254-5997 |
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| Kanagawa Branch | 1-6-7 Furocho, Naka-ku, Yokohama, Kanagawa, 231 – 0032, Japan MAP TEL：045-662-5421 FAX：045-662-5445 |
| Musashino Branch | Aoki Bldg., 2-1-31 Minamicho, Kokubunji, Tokyo, 185 – 0021, Japan MAP TEL：042-322-8811 FAX：042-322-6550 |
| Ibaraki Branch | 3-6-3 Jonan, Mito, Ibaraki, 310 – 0803, Japan MAP TEL：029-221-5105 FAX：029-221-8487 |
| Osaka Branch | Room 704, Tanimachi Yagi Bldg. 7F, 2-1-30 Noninbashi, Chuo-ku, Osaka, 540 – 0011, Japan MAP TEL：06-6966-1570 FAX：06-6966-1571 |
| Otemachi Branch | Shin Otemachi Bldg. 2F, 2-2-1 Otemachi, Chiyoda-ku, Tokyo, 100 – 0004, Japan MAP TEL：03-6225-2301 FAX：03-6214-1739 |
| Atsugi Satellite Office | 4-14-1 Asahicho, Atsugi, Kanagawa, 243 – 0014, Japan TEL：046-230-0226 FAX：046-230-0227 |
Overseas Offices
| US Representative Office | 4660 La Jolla Village Dr., Suite 100 San Diego CA 92122 USA MAP e-mail: Info_USA@totsu.co.jp |
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