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

1-17-25 Hakata-eki-higashi, Hakata-ku, Fukuoka, 812-0013
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

TAC COAT CO.,Ltd.

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

LMS CO., Ltd.

1-1 Yatsukaho,Hakusan-shi, Ishikawa 924-0838
Development, manufacturing, and sales of medical equipment for the medical and healthcare industries, and other optical and electrical equipment.

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