The Overseas Construction Association of Japan, Inc. (OCAJI) is a representative body aiming to promote overseas activities of Japan's construction industry and assist it in contributing to the international community through construction.

7th Fl., Nichibei Bldg., 24-2,
Hatchobori 2-chome, Chuo-ku, Tokyo 104-0032, Japan
Phone: 03-3553-1631 (pilot number)
Fax: 03-3551-0148
Email: info@ocaji.or.jp

Office hours: 9:00-17:30
(excluding Saturday, Sunday, holidays, year-end and New Year holidays)

Nearest railway station
One minute's walk from A4 Exit of Tokyo Metro Hatchobori Station
(20 minutes' walk from Yaesu Exit of JR Tokyo Station)