Branches

(The names in blue indicate main business offices.)

Head Office Head Office | Engineering Division | Environmental Engineering Division | Natural Resources and Energy Engineering Division |Advanced Equipment Division | Tamagawa Machinery Division
Corporate Strategy Department General Affairs and Personnel Department Personnel Development and Training Center	Tel +81-3-3221-1741 Fax +81-3-3239-8763	1-14-16 Kudankita, Chiyoda-ku, Tokyo 102-8205, Japan
Accounting and Financing Department	Tel +81-3-3221-1391 Fax +81-3-3239-8763
Management Audit Department CSR Office Internal Audit Office	Tel +81-3-3221-1740 Fax +81-3-3221-7505
Safety Control Department	Tel +81-3-3221-2456 Fax +81-3-3288-4575
Sales Management Department	Tel +81-3-3221-1471 Fax +81-3-3221-7505
Procurement Management Department	Tel +81-3-3221-1766 Fax +81-3-3221-1853
Engineering and Technology Management Department	Tel +81-3-3221-1941 Fax +81-3-3221-1583
Environment Group
TPM Promoting Group
Technology Group
Quality Assurance Department
Technology Development Department	Tel +81-3-3221-1491 Fax +81-3-3288-4575
Information System Department	Tel +81-3-3221-1108 Fax +81-3-3288-4575
Engineering Division Head Office | Engineering Division | Environmental Engineering Division | Natural Resources and Energy Engineering Division | Advanced Equipment Division | Tamagawa Machinery Division
Administration Department	Tel +81-3-3221-1941 Fax +81-3-3221-1583	1-14-16 Kudankita, Chiyoda-ku, Tokyo 102-8205, Japan
Procurement Department	Tel +81-3-3221-1766 Fax +81-3-3221-1853
Sales Department	Tel +81-3-5665-6150 Fax +81-3-5665-6151	Kibaeitai-bldg., 10th Fl., 3-7-13 Toyo Koto-ku, Tokyo 135-0016,Japan
Engineering Department
Akita Branch Office	Tel +81-18-895-7211 Fax +81-18-895-7212	2-8-28 Barajima, Akita-shi, Akita 010-0065, Japan
Joban Branch Office	Tel +81-246-54-5181 Fax +81-246-54-4190	15-1 Aza-Fukimatsu, Onahama, Iwaki-shi, Fukushima 971-8101, Japan
Kanto Branch Office (Kiba Office)	Tel +81-3-5665-6155 Fax +81-3-5665-6151	Kibaeitai-bldg., 10th Fl., 3-7-13 Toyo Koto-ku, Tokyo 135-0016,Japan
Osaka Branch Office	Tel +81-6-6358-3017 Fax +81-6-6358-0843	1-8-30 OAP Tower, 10th Fl., Tenmabashi, Kita-ku, Osaka-shi, Osaka 530-6010, Japan
Seibu Branch Office	Tel +81-86-455-4258 Fax +81-86-455-2193	6-14-63 Minamise, Kurashiki-shi, Okayama 712-8055, Japan
Environmental Engineering Division Head Office | Engineering Division | Environmental Engineering Division | Natural Resources and Energy Engineering Division | Advanced Equipment Division | Tamagawa Machinery Division
Administration Department Quality Assurance Department (Saitama Office)	Tel +81-48-646-6071 Fax +81-48-646-6081	1-297 Kitabukurocho, Oomiya-ku, Saitama-shi, Saitama 330-0835, Japan
Sales Department (Saitama Office) (Environmental Sales Group Survey Measuring Sales Group)
Engineering Department (Saitama Office) (Environmental Group Mine Environmental Engineering Group)
Mine Preservation Group (Saitama Office)
Environmental Survey Department (Saitama Office) (Environmental Assessment Group)
Environmental Measuring Department
Environmental and Energy Center	Tel +81-172-29-5171 Fax +81-172-29-5173	1-3-6 Ogimachi, Oaza, Hirosaki-shi, Aomori 036-8104 Japan
Environmental Engineering Center	Tel +81-48-641-5191 Fax +81-48-641-8660	1-297 Kitabukurocho, Oomiya-ku, Saitama-shi, Saitama 330-0835 Japan
Osaka Chemical Analysis Center	Tel +81-72-221-6011 Fax +81-72-222-0034	6-153-4 Kannabecho, Sakai-ku, Sakai-Shi, Osaka 590-0984 Japan
Natural Resources and Energy Engineering Division Head Office | Engineering Division | Environmental Engineering Division | Natural Resources and Energy Engineering Division | Advanced Equipment Division | Tamagawa Machinery Division
Administration Department	Tel +81-3-3221-2471 Fax +81-3-3221-2472	1-14-16 Kudankita, Chiyoda-ku, Tokyo 102-8205, Japan
Quality Assurance Department
Sales Department (Energy Group) (Natural Resources Group)
Natural Resources Survey Department (Natural Resources Survey Group) (Geotechnical Survey Group)
Drilling Department
Boring Center	Tel +81-186-23-2231 Fax +81-186-23-2759	9-4 Shishizawa, Aza, Osarizawa, Kazuno-shi, Akita 018-5202, Japan
Tokai Engineering Office	Tel +81-29-282-2331 Fax +81-29-282-2378	622-6 Funaishikawa, Tokaimura, Naka-gun, Ibaraki 319-1111, Japan
Rokkasho Office	Tel +81-175-71-4201 Fax +81-175-71-4219	Nihongennen-nai, 4-74 Okizuke, Aza, Obuti, Oaza, Rokkasho-mura, Kamikita-gun, Aomori 039-3212 Japan
Advanced Equipment Division Head Office | Engineering Division | Environmental Engineering Division | Natural Resources and Energy Engineering Division | Advanced Equipment Division | Tamagawa Machinery Division
Administration Department	Tel +81-3-3221-1091 Fax +81-3-3221-1611	1-14-16 Kudankita, Chiyoda-ku, Tokyo 102-8205, Japan
Sales Department
Procurement Department
Production Control Department
Akita Technical Center (ATC)	Tel +81-18-826-0011 Fax +81-18-826-0012	4-1-3 Goshonoyumoto, Akika-shi, Akita 010-1415, Japan
Iwaki Technical Center(ITC)	Tel +81-246-42-4641 Fax +81-246-42-2290	4-2 Chubu Kogyo Danchi, Iwaki-shi, Fukushima 972-8338, Japan
Minokamo Technical Center (MTC)	Tel +81-574-25-6802 Fax +81-574-25-8300	1346-2 Aza-Fukada Kono Kamonocho, Minokamo-shi, Gifu 505-0053, Japan
System Technical Center (STC)	Tel +81-48-641-5790 Fax +81-48-641-5791	Mitsubishi Materials Corporation 1-297 Kitabukuro-cho, Omiya-ku, Saitama 330-0835, Japan
Tamagawa Machinery Division Head Office | Engineering Division | Environmental Engineering Division | Natural Resources and Energy Engineering Division | Advanced Equipment Division | Tamagawa Machinery Division
Sales Department	Tel +81-3-3221-1371 Fax +81-3-3221-1377	1-14-16 Kudankita, Chiyoda-ku, Tokyo 102-8205, Japan
Osaka Office	Tel +81-6-6357-3500 Fax +81-6-6358-0843	OAP Tower, 10th Fl., 1-8-30 Tenmabashi, Kita-ku, Osaka 530-6010, Japan
Nagaoka Plant	Tel +81-258-24-1850 Fax +81-258-24-7012	2-4-1 Shirooka, Nagaoka-shi, Niigata 940-8602, Japan