Headquarter 4-3-8 Osaki Shinagawa-ku, Tokyo
Phone: +81-3-3491-7181
FAX: +81-3-3491-7574
Sagami Techno Center 1-1-12 Miyashimo Sagamihara-shi, Kanagawa
Phone: +81-42-772-3111
FAX: +81-42-770-0295
Hokkaido Sales Branch 10-1-4 Minami-Nijo, Nishi Chuo-ku, Sapporo-shi, Hokkaido
Phone: +81-11-271-0050
FAX: +81-11-271-0071
Tohoku Sales Branch 2-7-12 Ichiban-cho, Aoba-ku Sendai-shi, Miyagi
Phone: +81-22-223-8131
FAX: +81-22-267-6305
Chubu Sales Branch 2-11-7 Sakae Naka-ku Nagoya-shi, Aichi
Phone: +81-52-204-0320
FAX: +81-52-204-3025
Kansai Sales Branch 2-22 Taiyuji-cho, Kita-ku Osaka-shi, Osaka
Phone: +81-6-6361-7801
FAX: +81-6-6361-5540
Chugoku Sales Branch 2-11-2 Otemachi, Naka-ku Hiroshima-shi, Hiroshima
Phone: +81-82-240-3548
FAX: +81-82-240-3549
Hokuriku Sankosha Corporation 1-18 Sakurabashi-dori, Toyama-shi, Toyama
Phone: +81-76-432-5210
FAX: +81-76-432-4736
Kyushu Sankosha Inc. 2-8-10 Watanabe-dori, Chuo-ku Fukuoka-shi, Fukuoka
Phone: +81-92-761-4336
FAX: +81-92-712-3126
Thailand SANKOSHA ENGINEERING (THAILAND) CO., LTD.
BB Building, 20th Floor, 54 Sukhumvit 21 (Ask) Road, Klongtoey-Nua, Wattana, Bangkok, 10110, Thailand
Phone: +66 2 258 1685
FAX: +66 2 047 3224
USA SANKOSHA USA, INC.
406 Amapola Avenue, Suite 135, Torrance, CA90501, USA
Phone: +1 310 320 1661
FAX: +1 310 618 6869
China

GUANGZHOU SANKOSHA LIGHTNING PROTECTION TECHNOLOGY CO.,LTD
3Rd Floor A2 Plant Wan An Industrial Park, No110, Lanbei Road LanHe Town, PanYu District, Guangzhou City, Guangdong, China
Phone: +86 20 3496 9113
FAX: +86 20 3496 9184

SANKOSHA HONG KONG CO., LTD
Flat 11 & 12A, 9/F , Shatin Galleria, 18-24 Shan Mei Street, Fotan, Shatin, New Territories, Kowloon, Hong Kong
Phone: +85 2 2890 1788
FAX: +85 2 2890 1798

Korea SANKOSHA KOREA CORPORATION
1609, STX-W Tower, 615-3 Guro-dong, Guro-gu, Seoul, 152-865 Korea
Phone: +82 2 6124 3777
FAX: +82 2 6124 3779
Vietnam SANKOSHA VIETNAM
6th Floor, Thang Long Tower, 98A Nguy Nhu Kontum Str, Thanh Xuan Dist, Hanoi SR Vietnam
Phone: +84 4 3208 0004
FAX: +84 4 3208 0002
Indonesia PT. SANKOSHA INDONESIA
Interchange Toll Karawang Timur, Desa Anggadita, Klari Karawang 41371 Jawa Barat indonesia
Phone: +62 267 433 888 
FAX: +62 267 433 666