The story
1840 - Iwakichi Kajima, the founder of the present-day company begins carpentry business in Edo (present day Tokyo)
1860 - Kajima pioneers first western-style building in Yokohama (Ei-Ichiban Kan)
1880 - Establishes Kajima Gumi
1899 - Railway construction projects begin in Korea and Taiwan
1923 - Great Kantō earthquake - Kajima participates in the reconstruction work
1930 - Incorporation of the company (issues stock, capitalized at 3 million yen)
1944 - 986 Chinese labourers forcibly conscripted to build a canal at Hanaoka mine, together with Allied POWs
1945 - SCAP investigation finds 418 of the Chinese slave labourers perished at Hanaoka, a far higher percentage than at other forced labor camps in Japan, including 113 killed during the Hanaoka mine incident. Three Kajima supervisors are found guilty of Class B and C war crimes and sentenced to death.
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1947 - Asia's first high-speed chairlift constructed at Shiga Kogen ski area
1949 - Memorial constructed to Chinese victims of Kajima killed at Hanaoka mine Kajima Technical Research Institute founded (the first construction research facility in Japan)
1950 - Pioneers first joint venture with Morrison-Knudsen
1957 - Completes Japan's first nuclear reactor (Japan Atomic Energy Research Institute's Tōkai JRR-1 reactor)
1959 - Construction of the Tokaido Shinkansen begins
1961 - The company is listed on Tokyo and Osaka Stock Exchanges
1963 - Becomes world no. 1 in construction (total contract value)
Constructs facilities for 1964 Tokyo Olympic Games
1964 - Establishment of Kajima International Incorporated (KII) in Los Angeles, California, U.S.
1968 - Japan's first high-rise building, the Kasumigaseki Building, is completed
1975 - Founds PT. Waskita Kajima, as a joint venture with Waskita Karya
1987 - Establishment of Kajima Europe B.V. (KE) in the Netherlands
1988 - Establishment of Kajima Overseas Asia Pte Ltd. (KOA) in Singapore
The Seikan Tunnel, the world's longest tunnel, is completed
1994 - United States Department of Justice sues Kajima Doro for bid-rigging in connection with the construction of the Atsugi Naval Air Facility. Construction of Kansai International Airport is finalized
1998 - Akashi Kaikyo Bridge is completed
Bought Waskita Karya's shareholding in Waskita Kajima, resulting Kajima as majority shareholder of the company. The company then renamed to Kajima Indonesia
2000 - $4.6 million compensation fund established for forced labourers at Hanaoka mine.
2001 - The Suez Canal Bridge is completed
2002 - Hawaiian Dredging is acquired from Dillingham Construction.
2003 - Establishment of Kajima (Shanghai) Construction Co., Ltd.
2007 - Kajima executives charged with bid-rigging in connection with construction on the Nagoya subway.
2010 - Construction of Resorts World Sentosa in Singapore completed
2011 - The company completed the construction of the Dubai Metro (phase 1 and 2)
2017 - Purchased Australian construction company Icon Construction
2018 - Criminal indictment issued against Kajima Corporation by the Fair Trade Commission
2021 - Kajima Corporation found guilty of bid-rigging in construction of the Chūō Shinkansen.
From Wikipedia’s article on Kajima, shared under CC BY-SA 4.0.4