Corporate Profile

Company Name	Chiyoda Corporation
Established	January 20, 1948
Paid-in Capital	15,014 Million Yen
Representative	Koji Ota, Representative Director, President & CEO
Number of Employees	3,419 people (Consolidated Companies), 1,648 people (Non-consolidated) (as of March 31, 2025)
Business Activities	Integrated engineering business including consulting, planning, engineering, procurement, construction, commissioning and maintenance for facilities related to gas, electricity, petroleum, petrochemical, chemical, pharmaceutical, antipollution, environment, preservation, and other services. Exploration of oil, gas and other mineral resources, and investment and financing to such exploration activities.

Home Offices

Chiyoda Global Headquarters	Minatomirai Grand Central Tower 4-6-2, Minatomirai, Nishi-ku, Yokohama 220-8765, Japan MAP
Koyasu Office & Research Park	13, Moriya-cho 3-chome, Kanagawa-ku Yokohama 221-0022, Japan MAP
Tokyo Office	Fukoku Seimei Building 17F, 2-2, Uchisaiwaicho 2-chome, Chiyoda-ku, Tokyo 100-0011, Japan MAP
Osaka Sales Office	Shin-Osaka Central Tower 10F, 5-5-15 Nishinakajima, Yodogawa-ku, Osaka-shi, Osaka 532-0011, Japan
Overseas Offices	Abu Dhabi Office P.O. Box 43928, Clock Tower Bldg., Floor No.02, Suite No.0204, Fatima Bint Mubarak Street, Abu Dhabi, U.A.E. Middle East Headquarters Doha Office Markaz Almana, 2nd Floor, Al-Matar Street, Najma P.O. Box 20243, Doha, Qatar Milan Representative Office Viale F. Restelli 1-20124 Milan, Italy