Company Profile


1929 Establishment of Hanshin Harbor Construction Co., Ltd. with joint-funding by the South Manchuria Railway and Yamashita Kisen (Yamashita Steamship) Co., Ltd. for the purpose of reclaiming a site fronting on Naruo, Nishinomiya City, Hyogo Pref. and constructing an industrial harbor.
President: Kamesaburo Yamashita, Head Office: Sakaemachi-dori, Kobe
1932 Start of business as construction contractor in addition to Naruo Reclamation Project.
1935 Head Office relocated to Fushimicho, Higashi-ku, Osaka.
1938 Naruo Reclamation Project interrupted due to war.
1945 Head Office relocated to Kawaguchimachi, Nishi-ku, Osaka.
1946 Received order for Tonegawa River dredging project (Chiba Pref.) as first project after war.
1952 Head Office relocated to Fushimicho, Higashi-ku, Osaka.
1960 Tokyo Sales Office upgraded to Tokyo Branch.
1961 Head Office relocated to Kouraibashi, Higashi-ku, Osaka.
Listed in Second Section of Osaka Stock Exchange.
1962 Listed in Second Section of Tokyo Stock Exchange.
1964 Decision to resume Naruo reclamation project.
Trade name changed to Toyo Construction Co., Ltd.
Listed in First Sections of Tokyo and Osaka Stock Exchanges.
1965 Fukuoka Sales Office and Nagoya Sales Office upgraded to branches.
1967 Naruo reclamation ground-breaking ceremony.
1968 Tokyo Headquarters established. Okayama, Takamatsu, and Kanazawa Sales Offices upgraded to branches.
1969 Tohoku Branch opened.
1970 Absorption merger of Hitachi Zosen Coastal Construction Co., Ltd.
1971 Hokkaido Branch opened.
1972 Singapore Sales Office opened (start of advance into overseas markets).
1973 Overseas Business Dept. established (now International Branch).
Received order for Navotas Fishing Port Construction Project (Philippines).
Manila Sales Office (Philippines) opened.
1976 Construction Dept. and Construction Sales Dept. established (advance into construction field).
Joint venture company CCT established in Philippines.
Name of Tokyo Headquarters changed to Tokyo Head Office.
1977 Start of general sales of plots in Naruohama Industrial Center.
1983 Narawa Materials Center opened.
1984 Naruo Engineering Center opened (now Naruo Research Center).
1986 Sales of Naruohama Industrial Center completed.
Received order for Kansai International Airport Island seawall construction (Osaka Pref.)
1990 Tomac Co., Ltd. established (company specializing in offshore construction).
1992 Received order for Changi Airport Reclamation Project (Singapore).
Miho Research Center established.
1995 Occupied in Great Hanshin Earthquake recovery.
1997 Phnom Penh Sales Office (Cambodia) opened (now Phnom Penh Branch).
1999 Received company-wide ISO9001 certification.
Received order for Kansai International Airport Phase II construction (Osaka Pref.).
2000 Received order for Chubu Centrair International Airport seawall, etc. construction (Aichi Pref.).
2001 Received company-wide ISO14001 certification.
2002 Announcement of business cooperation with Maeda Corporation.
2003 Announcement of Toyo Value-Up Plan (strengthening of cooperation with Maeda Corp., capital increase, etc.)
2004 Hanoi Sales Office (Vietnam) opened.
2005 Received order for Tokyo International Airport (Haneda Airport) Runway D construction (Tokyo).
2006 Jakarta Sales Office (Indonesia) opened.
2007 International Division upgraded to International Branch.
Head Office relocated from Kandanishikicho, Chiyoda-ku, Tokyo to Omi, Koto-ku, Tokyo.
2011 Occupied in Great Tohoku Earthquake recovery.
2012 Reverse stock split executed (5 shares to 1 share).
Received order for Mombasa Port Container Terminal construction (Kenya).
2013 Received order for Nghi Son Refinery plant (Vietnam) offshore work.
2014 Yangon Branch Office (Myanmar) opened.
2015 Kanto Architectural Construction Branch opened.
Implementation of capital increase through a public offering and third-party allocation of shares
2016 Completion of self-propelled multi-purpose ship “AUGUST EXPLORER”
2018 Received order of Phase II Mombasa Port Container Terminal Construction Project
2019 Head Office relocation (Aomi, Koto-ku to Kandajimbocho, Chiyoda-ku)
2020 Announcement of three-year business plan (FY 2020-2022)