Head Office INDIA

OPTISIGN TECHNOLOGIES

Adress:  3rd Floor, Raj Square , Outer Ring Road m Vijaya bank Colony, Banasawadi, Bangalore India ; 560043

Contact person: Mr. Gajanan Raikar

Phone: +91 984 567 7013

Website: www.optisigntech.com

Email: graikar@optisigntech.com

Head Office Japan

ESI Japan Ltd. (Japan)

Adress:  16F Shinjuku Green Tower Bldg. 6-14-1, Nisei-Shinjuku Shinjuku-ku, Tokyo 160-0023 Japan

Phone: +81 3 6381 8490

Fax: +81 3 6381 8488

Email: marketing@esi.co.jp

Head Office South Korea

ESI Korea Co., Ltd.

Adress:  4F Ryuhsan B/D Gayang-Dong Gangseo-Gu, Seoul Korea 157-801

Contact person: Mr. Sangwon LEE

Phone: +82 2 3660 4553

Fax: +82 2 3662 0084

Email: lsw@esi.co.kr

Head Office Thailand

Design Through Simulation Co. Ltd. (DTS)

Adress: 33/4 The Ninth Tower, 35th Floor (Tower A), Grand Rama 9 Building, Rama 9 Road, Huay Kwang, Bangkok – 10310  Thailand

Contact person: Mr. Sangwon LEE

Phone: +662 001 2334

Fax: +662 001 2335

Website: www.dtsim.com