Domestic Bases ・Global Network

Domestic Bases

All domestic bases have acquired ISO9001 / ISO14001 certification.

Head Office / Hidaka Plant

17-2, Shimotakahagi-shinden, Hidaka-shi, Saitama 350-1297
TEL: +81-42-985-6221 / FAX: +81-42-985-6561

Tokyo Head Office

5F, SIGMA KOKI Tokyo Head office 1-19-9,Midori, Sumida-ku, Tokyo, 130-0021, JAPAN
TEL: +81-3-5638-8228 / FAX: +81-3-5638-6550
E-mail: international@sigma-koki.com

Osaka Branch

6F,TAIYO center building,4-9-28Nishi-Nakajima,Yodogawa-ku,Osaka 532-0011
TEL: +81-6-6307-4835 / FAX: +81-6-6307-4834

Kyushu Sales Office

3-17 Hie-machi,Hakata-ku,Fukuoka 812-0014
TEL: +81-92-481-4300 / FAX: +81-92-481-4310

Noto Plant

61-2 Wakabadai, Shika-machi, Hakui-gun, Ishikawa 925-0375
TEL: +81-767-38-1114 / FAX: +81-767-38-1651

Technology Center

1-1 Yatsukaho,Hakusan-shi, Ishikawa 924-0838
TEL: +81-76-274-6100 / FAX: +81-76-274-6103

Global Network

OptoSigma Europe S.A.S.

3 rue de la Terre de Feu, 91940 Les Ulis, Essonne, FRANCE
TEL.+33-1-6918-1700 / FAX.+33-1-6010-0929
HP:https://www.optosigma.com/eu_en/
E-mail:sales@optosigma-europe.com

SHANGHAI SIGMA KOKI CO.,LTD..

3355 Jin Du Road, Xinzhuang Industrial Zone, Minhang, Shanghai 201108 P.R.C.
TEL. +86-21-5442-4309 / FAX. +86-21-5442-2758
E-mail:SSK@sh-sigma-koki.com

OptoSigma Southeast Asia Pte. Ltd.

83 Science Park Drive, #02-01.The Curie, SINGAPORE 118258
TEL. +65-6909-9318 / FAX. +65-6909-9330
HP:https://www.optosigma-sea.com/
E-mail:sales@optosigma-sea.com

OptoSigma Corporation

3210 S.Croddy Way, Santa Ana, California 92704 USA
TEL. +1-949-851-5881 / FAX. +1-949-851-5058
HP:https://www.optosigma.com/us_en/
E-mail:sales@optosigma.com

Associated company

Head office and factory

4144-5, Kiriishi, Kanae, Iida, Nagano, 395-0807 JAPAN
TEL. +81-265-21-2211 FAX. +81-265-21-2088
Manufacture and sale of optical products

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