Konoike Group Co., Ltd.

Konoike Group was founded in 1871 (Meiji 4) and has played a part in social development mainly through civil engineering and construction works.

Engaged in Yodogawa River improvement works and started full-scale civil engineering business.

Received an order for the construction of Japan's first private open-hearth furnace factory, which was our company's first large-scale civil engineering and construction project, for Japan Steel Casting (later Sumitomo Steel Foundry).

Ordered the construction of Meiji College (now Kyushu Institute of Technology). Opened a branch office in Wakamatsu City (now Kitakyushu City) (now Kyushu Branch), marking the company's first expansion outside the Kinki region.

Completed the Denpou Konoike main store. Completed the Fukuoka Medical University building (now Kyushu University).

Completed Fuji Seishi (now Oji Paper) Ebetsu Factory. The company’s emblem was officially adopted as

Hayakawa First Power Plant completed.

RC arch bridge Ebisu Bridge over Dotonbori River in Osaka completed.

Hiroshima City Hall completed.

British Embassy residence completed.

Tokyo City Central Wholesale Market (Tsukiji Market) completed.

Ichigaya Army Officer School completed. Established the Three Principles of the Company Philosophy.

Opened the first overseas branch in Manchuria. Opened a sales office in Onomichi (now Hiroshima Branch). Opened a sales office in Miyako Town (now Tohoku Branch).

Kyoto City Shakujō Water Purification Plant, completed.

At the time, the Rokko Mountain Tunnel, one of the five longest road tunnels in the world, completed.

Youfang Garden West Building completed.

Technical Research Institute established in Konohana Ward, Osaka City.

Yokosuka Electrical Communication Research Institute, completed.

(Afghanistan) Kabul Tuberculosis Center, completed.

Bank of Japan Matsue Branch, completed.

(Thailand) Maharaj Hospital Phase 1 and 2, completed.

(Honduras) Agricultural Development Center, completed.

(Sudan) Khartoum Hospital Phase 1 and 2, completed. Kanike Ichiaki appointed as President and Director.

(Tanzania) Loamosi Agricultural Development, completed. Nagoya City Museum of Art, completed.

(Kenya) Grain Silo, completed.

First super high-rise RC residential Takami Floral Town in Western Japan, completed.

Kintetsu Asuka Museum, completed.

Active in the restoration work after the Great Hanshin-Awaji Earthquake, built a new levee on the Yodogawa Left Bank.

Nanko West Bridge (Lower Structure), completed.

Shimane Prefectural Art Museum, completed.

Tokyo National Museum Heisei Hall completed.

Tajima Dam, completed.

Restoration work of Important Cultural Properties damaged by the Great Hanshin-Awaji Earthquake, Akashi Castle, completed.

Ashikita Bridge, completed.

International Children's Library, completed.

Completed the country's first large-scale on-site dioxin treatment in Hashimoto City, Wakayama Prefecture.

Established Hokuhou Holdings Inc. through a share transfer, becoming its wholly owned subsidiary.

Shoichi Oiwa appointed as President and CEO.

Launched the first PFI project, Gifu University General Research Building Facility Development Project.

Completed Nagoya University School of Medicine Hospital Central Clinic Building.

Keetsu Tamai appointed as President and CEO.

Completed the Ebisu Bridge replacement construction.

Morihiro Tsutoda appointed as President and CEO.

Completed Honmachi South Garden City.

Completed disaster waste disposal in Tagajo City following the Great East Japan Earthquake.

Kumano River Nagato area river blockage emergency countermeasure works completed.

First in the country, on-site neutralization of PCB special management industrial waste and Tsurumi River recreational water area soil improvement works completed.

Completed Yawata Tunnel on the Naimi Road.

Formed a business alliance with Sekisui House, Ltd.

Completed Koto Civic Center.

Completed the Annex of the G7 Ise-Shima Summit International Media Center.

Completed disaster waste disposal related to Hiroshima heavy rain (Hiroshima City).

Completed demolition waste disposal work related to the Kumamoto Earthquake (Kumamoto City).

Established corporate slogan "Seriously, Straightforward".

Completed S-GATE Nihonbashi Honcho.

Operated the cement solidification treatment facility for specific waste related to the Fukushima Daiichi Nuclear Power Plant accident.

Became a consolidated subsidiary of Sekisui House, Ltd.

The first domestic artificial stadium, Canoe Slalom Center, completed.

Uniforms completely renewed.

Hiroki Watatsu appointed as President and CEO.

Formulated long-term vision "KONOIKE ONE VISION 2050".

Old main building Western-style and Japanese-style buildings of Konoiike Group registered as tangible cultural properties of the country.