Offices
Head office
| Head office |
5-4 Kojimachi, Chiyoda-ku, Tokyo 102-8539, Japan 
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Offices
| Fukushima Office |
1-22, Aza Michihisa, Moriyado, Sukagawa, Fukushima 962-8508, Japan 
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| Yokohama Engineering Center |
1-1-25, Shin-Urashima-cho, Kanagawa-ku, Yokohama, Kanagawa 221-0031, Japan |
| Sendai Office |
Sendai Chuo Building, 8-20, Ichiban-cho 2-chome, Aoba-ku, Sendai-shi, Miyagi 980-0811, Japan |
| Nagano Office |
1282-16 Minamiishido-cho, Nagano City, Nagano Prefecture, Japan |
| Nagoya Office |
1-20-22 Aoi, Naka-ku, Nagoya City, Aichi Prefecture, Japan |
| Hiroshima Office |
5-7, Hatchobori, Naka-ku, Hiroshima City, Hiroshima Prefecture, Japan |
| Fukuoka Office |
1-2-12, Higashi Hie, Hakata-ku, Fukuoka City, Fukuoka Prefecture, Japan |
