| Business Bases |
| Head Office |
Shimbashi Sumitomo Bldg., 5-11-3, Shimbashi, Minato-ku, Tokyo 105-8601
Phone: +81-3-3436-9700 / Fax: +81-3-3434-6464 |
| Manufacturing/R&D Bases |
 Nagoya Works |
3-1-12, Chitose, Minato-ku, Nagoya 455-8670
Phone: +81-52-654-1111 / Fax: +81-52-654-0498 |
| Research & Development Center |
3-1-12, Sennen, Minato-ku, Nagoya 455-8670
Phone: +81-52-6514-2100 / Fax: +81-52-651-8117 |
|
| Branches |
| Osaka Branch |
Sumitomo Bldg., 4-5-33, Kitahama, Chuo-ku, Osaka 541-0041
Phone: +81-6-6220-8407 / Fax: +81-6-6220-8404 |
| Nagoya Branch |
Kanayama Place, 1-13-13, Kanayama, Naka-ku, Nagoya 460-0022
Phone: +81-52-324-4710 / Fax: +81-52-324-4730 |
| Hokkaido Branch |
NREG Kitasanjo Bldg., 3-1-25, Kitasanjo Nishi, Chuo-ku, Sapporo, Hokkaido 060-0003
Phone: +81-11-241-4651 / Fax: +81-11-2214-3254 |
| Shizuoka Branch |
Shizuoka Fukoku Seimei Bldg., 5-9, Miyukicho, Aoi-ku, Shizuoka 420-0857
Phone: +81-54-255-2471 / Fax: +81-54-255-6210 |
| Kyushu Branch |
Kamiyo Hakata Bldg., 1-2-5, Hakata Ekimae, Hakata-ku, Fukuoka 812-0011
Phone: +81-92-472-6301 / Fax: +81-92-472-6257 |
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