Domestic network
| Head Office[ MAP ] |
| 14th, 15th, and 16th Floor, Shimbashi Tokyu Bldg., 21-3
Shimbashi 4-chome, Minato-ku, Tokyo 105-8630 |
| Phone: +81-3-5405-6011 (switchboard) |
| Kansai Branch [ MAP ] |
| 4th Floor, Furukawa Osaka Bldg., 1-29 Dojimahama
2-chome, Kita-ku, Osaka, Osaka Pref. 530-0004 |
| Phone: +81-6-6345-6951 |
| Chubu Branch [ MAP ] |
| 8th Floor, Telepia Bldg., 14-25 Higashisakura
1-chome, Higashi-ku, Nagoya, Aichi Pref. 461-0005 |
| Phone: +81-52-972-6180 |
| Kyushu Branch [ MAP ] |
| 3rd Floor, Nissay Hakata-ekimae Bldg., 2-1 Hakata-ekimae 3-chome, Hakata-ku, Fukuoka Pref. 812-0011 |
| Phone: +81-92-483-5615 |
| Hokkaido Branch [ MAP ] |
| 5th Floor, Takeda Risona Bldg., 1-2 Kita Ichijo-Nishi 4-chome, Chuo-ku, Sapporo, Hokkaido 060-0001 |
| Phone: +81-11-231-4721 |
| Tohoku Branch [ MAP ] |
| 12th Floor, Higashi Nibancho Square, 1-25 Ichibancho 4-chome, Aoba-ku,Sendai, Miyagi Pref. 980-0811 |
| Phone: +81-22-262-2521 |
| Kita-kanto Branch [ MAP ] |
| 2nd Floor, Keyaki Dori Bldg., 1-20 Oodori 4-chome, Utsunomiya, Tochigi Pref. 320-0811 |
| Phone: +81-28-622-5651 |
| Gunma Branch [ MAP ] |
| 1067 Uchigashima-cho, Ota, Gunma Pref. 373-0813 |
| Phone: +81-276-46-1275 |
| Hokuriku Branch [ MAP ] |
| 8th Floor Urban Place Bldg., 18-7 Ushijima-machi, Toyama, Toyama Pref. 930-0858 |
| Phone: +81-76-431-8781 |
| Shikoku Branch [ MAP ] |
| 3rd Floor, Anzai Bldg., 2-14 Bancho 1-chome, Takamatsu, Kagawa Pref. 760-0017 |
| Phone: +81-87-851-5411 |
| Chugoku Branch [ MAP ] |
| 9th Floor, Hiroshima Crystal Plaza, 8-18 Naka-machi, Naka-ku, Hiroshima
City, Hiroshima Pref. 730-0037 |
| Phone: +81-82-246-8531 |
| Himeji Office [ MAP ] |
| 3rd Floor, Minato Bank Daiichi Seimei Kyodo Bldg., 24 Shirogane-cho, Himeji City, Hyogo Pref. 670-0902 |
| Phone: +81-792-89-3626 |
| Kitakyushu Office[ MAP ] |
| 7th Floor, Kokura Kousan KMM Nishi Kan, 8-4 Asano 2-chome,Kokurakita-ku, Kita-Kyushu, Fukuoka Pref. 802-0001 |
| Phone: +81-92-483-5615 |
| Tokyo Denka Industry Co., Ltd. |
| 1-4 Higashi Yawata 5-chome, Hiratsuka, Kanagawa Pref. |
| Phone: +81-463-22-3503 |
| Products
and Services: production of silver, nickel and other plated wires, and drawn and twisted wires processing |
| Toho Shokai Co., Ltd. |
| 5th Floor, NF Kanda Bldg., 8-9 Kanda Nishiki-cho 1-chome, Chiyoda-ku, Tokyo |
| Phone: +81-3-3259-2601 |
| Products and
Services: sales of various electric wires, cables, etc. |