Ando & Ma Corporation

Ando Shōtarō founded a civil engineering and construction contracting business in Matsueda-cho, Kanda-ku, Tokyo, under the name "Ando Kata." He took the first step as a contractor for brick construction, a then-advanced method.

Founded a civil engineering contracting business in Kanda, Tokyo, named "Ando Kata" by Shintaro Ando

Part of the "Tokyo Ginza Street Brick Works (Tokyo)" was executed.

Part of the "Asakusa Nakamise Street Brick Works (Tokyo)" was executed.

Manshōma contracted new construction of the Mōji locomotive and passenger car facilities from Kyushu Railway Co., Ltd., and founded Manshō in Mōji (Fukuoka Prefecture)

Served as a contractor for the Army, Railway, and Postal Ministries.

Executed the brick construction of Japan’s first telephone headquarters, the "Tokyo Post Telegraph Office (Tokyo)."

Completion of the main building of "Aikoku Life Insurance Co., Ltd. (now Nippon Life) (Tokyo)." This was the company’s first private construction project.

Completion of Japan's first loop line construction, Kagoshima Line, Ōbatake to Hitoshi section (Kumamoto Prefecture)

Reorganized into Ando Group, a general partnership, with a capital contribution of 1 million yen

Completion of Japan's first underwater cable construction, Kamoroku Bridge (China–North Korea)

Entered power construction, awarded contract for Joshi Hydroelectric Power Station (Ōita Prefecture)

Built and relocated the company headquarters to Kyobashi-ku, Tsukiji

New construction and relocation of the company building in Kyobashi-ku, Tsukiji, and completion of the Yokohama Isogo Coast Seawall Construction (Kanagawa Prefecture)

Completion of the Yokohama City Isogo Coastlandfill Project (Kanagawa Prefecture) (370,000 m²).

Established a joint venture company (capital 500,000 yen)

Reorganized the general partnership and established Ando Group Co., Ltd.

Relocated headquarters to Tokyo

Completion of Tokyo Central Telegraph Office (Tokyo)

Completion of Yokohama Central Telegraph Office (Kanagawa Prefecture) and Ehime Prefectural Office (Ehime Prefecture)

Completion of the Yokohama Central Telegraph Office (Kanagawa Prefecture).

Completion of the Ehime Prefectural Office (Ehime Prefecture).

Completion of the new Takino-gawa Printing Plant of the Cabinet Printing Bureau (Tokyo)

Entered subway construction, awarded contract for Tokyo Subway, Nihonbashi to Kyōbashi section (Tokyo)

Founded a joint-stock company (capital 2,000,000 yen)

Completion of the Patent Office Building (Tokyo)

Completion of Higashiyama Temporary Palace (Tokyo)

Completion of Asia's largest dam project, Suito Power Station, Phase 1 (North Korea)

Completion of Japan's first undersea tunnel, Kanmon Tunnel, Shimonoseki section (Yamaguchi Prefecture)

After the war, took on renovation work for former military facilities such as the former Imperial Army Headquarters (Tokyo) and Sanno Hotel (Tokyo), and rebuilt emergency facilities—government offices, schools, hospitals—in disaster areas, contributing to postwar reconstruction

After the war, we undertook renovation work for occupied military facilities such as the former Army Headquarters (Tokyo) and the Yano Hotel (Tokyo), and worked to restore disaster areas and rebuild government offices, schools, hospitals, and other essential facilities.

After the war, we undertook renovation work for occupied military facilities such as the former Army Headquarters (Tokyo) and the Yano Hotel (Tokyo), and worked to restore disaster areas and rebuild government offices, schools, hospitals, and other essential facilities urgently needed across the country, contributing to postwar reconstruction.

Completion of Meiji Shrine War Damage Reconstruction Construction (Tokyo)

Completion of the Imperial Hotel First New Building (Tokyo)

Completion of the Imperial Hotel Second New Building (Tokyo)

Completion of Japan's first large-scale mechanized construction after WWII, Sakuma Dam (Shizuoka Prefecture)

Completion of Keio University South and West Campuses (Tokyo) (First BCS Award)

Nagoya Castle Reconstruction Project (Aichi Prefecture) completed (won the 2nd BCS Award)

Completion of the Nakayama Racecourse Viewing Stand (Chiba Prefecture) (won the 3rd BCS Award)

Our company’s first large overseas project after WWII: Danim First Power Plant (Vietnam) awarded

Listed on the Second Section of the Tokyo Stock Exchange

Japan’s first rock-fill dam, Gomo-ine Dam (Gifu Prefecture) completed

Renamed the company to Ando Construction Co., Ltd.

Listed on the Second Section of the Tokyo Stock Exchange

Ise Bay Typhoon Disaster Recovery Project (Aichi Prefecture) completed

Reclassified to the First Section of the Tokyo Stock Exchange

Century’s major project: Kurobe Dam (Toyama Prefecture) completed

Tokaido Shinkansen Shin-Tanna Tunnel (Shizuoka Prefecture) completed

Built and relocated the headquarters to Yaesu, Chuo-ku, Tokyo

Pioneered prefabricated concrete slab construction and established the first prefabricated factory in Kawagoe, Saitama Prefecture

Developed a prefabricated construction method using large concrete panels and established the first prefabricated factory in Kawagoe City, Saitama Prefecture.

Responding to the era's demand for industrialized housing production, we pioneered the prefabricated construction method using large concrete panels and established the first prefabricated factory in Kawagoe City, Saitama Prefecture.

Ise Grand Shrine Uji Bridge Replacement Project (Mie Prefecture) completed (subsequently, the bridge replacement work for the “Shikinen Sengū” ceremony was undertaken three times every 20 years)

Entered a technology partnership with France's Corene and introduced overseas prefabrication technology

Celebrated the 100th anniversary of founding

Listed on the First Section of the Tokyo, Osaka, and Nagoya Stock Exchanges

Completion of the Japan Texas Instruments Miura Factory (Ibaraki Prefecture)

Itochu Corporation Tokyo Headquarters Building (Tokyo) completed (won the 23rd BCS Award)

Completion of Keio University Library New Building (Tokyo) (24th BCS Award)

Established a technical research institute in Yorii City, Saitama Prefecture (at the time)

Started sponsoring the Meiji Shrine Koyomi (annual event, continues to this day)

Built and relocated the headquarters to Shibaura, Minato-ku, Tokyo

National Noh Hall (Tokyo) completed (won the 26th BCS Award)

Japan’s first fully intelligent building: Honda Aoyama Building (Tokyo) completed (won the 28th BCS Award)

Completion of the main tunnel of the Seikan Tunnel Yoshikawa Section (Hokkaido)

Established the Tokyo Equipment Center to streamline material and equipment operations in the Kanto region

Established the Tokyo Equipment Center.

Established a technology research institute

Celebrated the 100th anniversary of founding

Gargara Dam (Algeria) and Kasai Marine Aquarium (Tokyo) completed (won the 32nd BCS Award)

Completion of the JRA Nakayama Racecourse Stand (Chiba Prefecture)

Renamed Hazama

Moved the technical research institute to Tsukuba City

Miso River Dam (Nagano Prefecture) completed

Completion of Selangor Waterworks (Malaysia)

Completion of Tokyo Big Sight (Tokyo) (Winner of the 38th BCS Award)

Completion of the world's first offshore oil storage base, Hakata Oil Storage Base (Fukuoka Prefecture)

Completion of Japan's first seismic isolation hospital, Hoshigawa Hospital (Hokkaido)

Completion of the tallest building in the world at the time, Petronas Twin Towers (Malaysia)

Completion of the Toppan Koishikawa Building (Tokyo) (won the 42nd BCS Award)

Initiated Messauna activities through music concert sponsorship

Business partnership with Seibu Construction Co., Ltd.

Business partnership with Tohua Construction Industry Co., Ltd. (terminated October 2022)

Business partnership with Tohwa Construction Industry Co., Ltd. (terminated in October 2022)

Capital and business partnership with KAMIGUMI Co., Ltd.

Establishment of New Hazama through corporate split

Capital and business partnership with Ando Construction Co., Ltd.

Completion of the restored wooden castle tower of Ozu Castle, the tallest in Japan (Ehime Prefecture) – awarded the 7th National Land Technology Development Award, the 1st Japan Manufacturing Award, and the Prime Minister's Award

Completion of the restored wooden castle keep, the tallest in Japan, Ozu Castle Keep Restoration Project (Ehime Prefecture) (Winner of the 7th National Land Technology Development Award and the 1st Japan Making Award Prime Minister's Award)

Completion of the Frank Lloyd Wright® Suite (Imperial Hotel).

Completion of Frank Lloyd Wright® Suite (Imperial Hotel) (Tokyo)

Completion of Palembang Airport (Indonesia)

Completion of the Japan Guide Dog Comprehensive Center (Shizuoka Prefecture) (Winner of the 49th BCS Award).

Hosted the 20th anniversary technology exhibition of the Tsukuba Research Institute

Relocated the Technology Research Institute to Tsukuba City and held the 20th Anniversary Technology Exhibition.

Merger of Ando Construction Co., Ltd. and KAMIGUMI Co., Ltd. to form Ando-Kami Co., Ltd., and relocation of headquarters to Akasaka, Minato-ku, Tokyo

Ando Construction Co., Ltd. merged with Kankumi Co., Ltd. to form Ando-Kan Co., Ltd.

Shunobu Ono became Chairman of the Board of Directors; Toshimichi Nomura became President and Representative Director.

Moved headquarters to Akasaka, Minato-ku, Tokyo.

Merger of Ando Hazama Kogyo Co., Ltd., AdTechno Co., Ltd., and Ebira Co., Ltd.

Completion of the 160-kilometer-long Sinsri Road (Nepal)

Completion of the 160-kilometer-long Sinsuri Road (Nepal) and establishment of PT. HAZAMA ANDO MURINDA in Indonesia.

Established PT. HAZAMA ANDO MURINDA in Indonesia.

Completion of the training accommodation "TTC Tsukuba" (Technology Training Center) at the Research Institute

Completion of the training accommodation "TTC Tsukuba" at the Technology Research Institute.

Completion of a precast factory in Chiba City

Masato Fukutomi appointed as President and CEO

Obtained SBT certification and joined the RE100 initiative

Formulated "Ando Hazama Vision 2030", established the LCS Business Division, and launched a large-scale CO2 reduction project

Formulated "Ando Hazama Vision 2030", established the LCS Business Division, promoted regional CO2 reduction, and launched a demonstration of next-generation energy projects.

Formulation of "Ando Hazama Vision 2030"

Establishment of the LCS Business Division

Commencement of the wide-area CO2 reduction project: Ando Hazama Next-Generation Energy Project

Transitioned to the Prime market of the Tokyo Stock Exchange and relocated headquarters to Higashi-Shimbashi, Minato-ku, Tokyo

Transitioned to the Prime Market of the Tokyo Stock Exchange and moved headquarters to Higashi-Shimbashi, Minato-ku, Tokyo.

Transition to the Tokyo Stock Exchange Prime Market

Relocation of headquarters to Higashi-Shimbashi, Minato-ku, Tokyo

Celebrated the 10th anniversary of the merger; Kazuhiko Kuniyama appointed as President and CEO

Celebrated the 10th anniversary of the merger; Kazuhiko Kuniyoshi became President and Representative Director.

Celebration of the 10th anniversary of the merger

Kazuhiko Kuniyoshi appointed as President and CEO

Completion of the Sendai Ando Hazama Building in Sendai City

Operational start of the Sakado Biomass Power Plant