
Masuoka Shoten at the time |
1900 |
1888 |
 |
Masuoka Shoten is established. |
1908 |
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Tosaku Masuoka reorganizes Masuoka Shoten. Active as a naval purveyor. |
1930 |
1932 |
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Branch offices are established in Osaka, Yokosuka, Iwakuni, Hiroshima and Hiro. |
1935 |
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Branch offices are established in Tokyo and Sasebo. |
1940 |
1943 |
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The Central Committee of the Association to Regulate Japanese Civil Engineering and Construction is established, became a wartime collaboration system. |
1945 |
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Converted from being a military subsidiary to a post-war peace-time company.
Kure Recovery Construction Association is established in Kure City. Start post-war recovery efforts immediately. |
1946 |
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Tosaku Masuoka becomes the president of the Kure Chamber of Commerce and Industry. |
1947 |
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Development plan for Tokyo Branch Office is established. Tekko Building plan is proposed. |
1948 |
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Company is reorganized and renamed as MASUOKA Architectural Contractors Inc. Capitalized at 10 million yen. |

Tekko Building at the start of construction |
1950 |
1950 |
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Tekko Building No. 1 is completed. |
1954 |
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Tekko Building No. 2 is completed. |
1970 |
1971 |
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Capital is increased to 500 million yen. |
1974 |
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Head office is moved to Tokyo on Jan. 1. |
1980 |
1981 |
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Due to the intensification of building contract competition, a plan is proposed for strengthening competitive power by promoting technical development and TQC. |
1988 |
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Capital is increased to one billion yen. 80th anniversary of the founding of the company (100th anniversary of the founding of the group) is celebrated. |

Former Tekko Building |
1990 |
1991 |
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Awarded contract for disaster recovery construction work at Itsukushima Shrine, a national treasure. |
1994 |
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Matsue branch office is opened. |
2000 |
2001 |
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Fukuyama branch office is opened. |
2003 |
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Masuda sales office is opened.
Masuters Mouse, a life-cycle cost calculation system, is developed.
With the completion of "Masuters" and an internal network, a core system (cost, financial affairs and personnel/payroll) and sales support system are introduced to optimize business operations. |
2004 |
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Awarded contract for disaster (typhoon no. 18) recovery construction work at Itsukushima Shrine, a national treasure. |
2005 |
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Name of company in English is changed to "MASUOKA Architectural Contractors Inc." Greater appeal of our role in the construction industry.
An environmental technology research facility (Eco Lab) is opened in Kure City. |
2006 |
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Miyoshi sales office is opened.
Regional contribution activities (Medaka Exchange Society) are started. |
2007 |
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Masuoka Materials Co., Ltd. is established.
Masuoka Renovation Co., Ltd. is established. |
2008 |
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100th anniversary of the founding of the company is celebrated.
Hanoi representative office is opened.
Quality control system is strengthened and "visibility" of management is promoted.
Cost management is strengthened and a new cost management system is introduced.
Business Continuity Plan (MASUOKA Architectural Contractors' BCP) is completed. |
2009 |
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System is introduced to improve design and estimate management accuracy.
All-Company Safe Environment Countermeasures Manual is established to strengthen and promote the maintenance of safety.
CFT certification is obtained.
Capital increased to 1.1 billion yen. |

Hai Duong Garden |
2010 |
2010 |
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"Earth/Long-Lasting" project, which promotes creating a nicer environment and achieving long life of structures is started.
Participated in COP 10 Interactive Fair for Biodiversity. |
2011 |
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Office of ADO Inc. is opened in Hanoi, Vietnam.
TM Vietnam Development Co., Ltd. is opened in Hanoi, Vietnam.
Rooftop greening (Smart Green Roof) is developed.
Energy conservation calculation system (Ecomouse) is developed.
Completed the construction of and sold QLAYS TSUKISHIMA CANAL FRONT. |

Tekko Building |
2012 |
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Head office and Tokyo branch office are moved with the construction of the New Tekko Building on April 9. |
2013 |
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"Hai Duong Garden" serviced apartments are opened in Hai Duong City, Hai Duong Province in Vietnam. |
2014 |
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Completed the construction of and sold Akasaka 2-chome Project (provisional name), principal investment.
Responded to request for work to cope with sediment disaster caused by torrential rain in Horshina City in Aug. 2014.
Undertook restoration and prevention work (at five locations) from the sediment disater caused by torrrential rain in Hiroshima City in Aug. 2014. |
2015 |
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Responded to request for work to cope with disaster caused by torrential rain in Kanto and Tohoku in Sep. 2015.
Head office is relocated to newly built Tekko Building. |
2016 |
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ADO Planning Co.,Led. is founded on March.24th.
Hamada Sales office is opend on April 1st.
Completed the construction of and sold Kiyozumi Shirakawa Scheme (provisional name), principal investment.
Completed a development and sale of residential land lots in Steung Mean Chey district, Phnom Penh city, Cambodia Kingdom.
Responded to request for work to cope with sediment disaster caused by torrential rain brought by the 10th tyfooon in 2016 in Fukuyama City.
Responded to request for work to cope with disaster caused by earthquake in Kumamoto in 2016. |
2017 |
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Founded MAPS Co., Ltd. in Phnom Penh, Cambodia.
Responded to request for work to cope with disaster caused by torrential rain in northern Kyushu in Jul. 2017. |
2018 |
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Celebration for the 110th anniversary of the company establishment.
Project Camp Satochi Satoyama to commemorate the 110th anniversary of the company establishment was held at Mazda stadium.
Responded to request for emergency recovery work (27 locations) to cope with disaster caused by torrential rain in Western Japan in Jul. 2018.
Undertook restoration and prevention work (at fifteen locations) from disater caused by torrrential rain in Western Japan in Jul. 2018.
Completed the construction of and sold Taito-ku Kitaueno 2-chome Condominium (provisional name), principal investment.
Completed the construction of and sold Hakusan Terrace House Project (Creer Hakusan), principal investment. |
2019 |
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Responded to request for work to cope with disaster caused by Eastern Japan Typhoon in 2019.
Completed a development and sale of residential land lots in Kantouk district, Phnom Penh city, Cambodia Kingdom.
Completed a development and sale of residential land lots in Phleung Chhes Rotes district, Phnom Penh city, Cambodia Kingdom.
Completed the construction of and sold an apartment building of Ootaku Higashi Yaguchi New Link House Scheme (provisional name) . |
2020 |
2020 |
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Responded to request for work to cope with disaster caused by torrential rain in Kumamoto in Jul. 2020.
Completed the construction of and sold an aparatment building of Nakajyuku Communal Residence. |
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As a leader in the general construction industry, the true value of the history and tradition of MASUOKA is fully manifested.
Moving forward by responding to needs from all quarters. |