Suzunaka Kogyo Inc.
A Japanese general construction company founded in 1910 in Gamagori, Aichi, active in civil engineering and building construction.
Last updated September 29, 2026
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Overview
Suzunaka Kogyo Inc. (鈴中工業株式会社) is a Japanese general construction company headquartered in Nagoya, Aichi Prefecture, with its registered head office (本店) in Gamagori, Aichi. It traces its origins to 1910 (Meiji 43), when founder Suzuki Nakakichi established the civil engineering and building contracting business Suzunaka-gumi (鈴仲組) in Gamagori, Aichi Prefecture. The company was reorganized as Suzunaka Kogyo Co., Ltd. in 1946 (Showa 21) and has since grown into a regional general contractor handling both civil engineering and building construction. The company's business scope, as stated in its corporate profile, covers contracting, planning, design and supervision of civil engineering, building and other construction works; real estate trading, brokerage, management and leasing; industrial and general waste disposal; construction consulting; extraction and sale of gravel, sand and boulders; energy-saving and eco-related products; and sale of machinery and equipment. Its stated capital is 100,000,000 yen, and it employs 219 people. It holds construction business registration under the Ministry of Land, Infrastructure, Transport and Tourism (Tokku-7 No. 4551), first-class architect office registrations, and real estate transaction business licenses, and has obtained ISO 9001, ISO 14001 and ISO 45001 certifications. Suzunaka Kogyo operates through a network of offices: the Nagoya head office (Honsha) in Naka-ku, Marunouchi; the Gamagori head office (Honten); the Hamamatsu branch in Shizuoka; the Tokyo branch in Shinagawa; the Honokuni sales office in Toyokawa, Aichi; and a Nagoya satellite office for its human resources department. Its affiliate is Mito Kaihatsu Co., Ltd. (みと開発株式会社). As a general contractor, the company has worked on a wide range of public and private projects, including government buildings, schools, police stations, port facilities, bridges, road works, and large-scale venue renovations. Notable projects cited by the company include the Chita General Government Building in Handa, Aichi; land development and pedestrian walkway canopy construction at Central Japan International Airport (Centrair) in Tokoname; the Gamagori Police Station; the Aichi Arts Center main hall large-scale renovation; the Kaiyo Yacht Harbor large roof construction; and the Nagoya Port Aquarium renovation. The company also participates in disaster relief and support activities, such as during the 2019 Kyushu northern heavy rain and Typhoon Hagibis. Suzunaka Kogyo presents itself as a company that has supported local livelihoods and industry through civil engineering and building since its founding, and that continues to take on challenges in response to changing times, with the slogan "valuable things for the future" (価値あるものを未来へ).
History
Suzunaka Kogyo traces its history to 1910 (Meiji 43), when Suzuki Nakakichi founded the Aichi Prefecture-designated contractor Suzunaka-gumi (鈴仲組) in Gamagori, Aichi Prefecture, as a civil engineering and building contracting business. The firm expanded from port, road and railway civil engineering works into various building works, steadily building a foundation as a general construction company. In 1938 (Showa 13), it undertook the Toyohashi-Goyu Shirakawa Bridge span alteration work. In 1939 (Showa 14), following the death of the first Suzuki Nakakichi, his second son Tomeji succeeded as the second Nakakichi and took over as head of Suzunaka-gumi, after which the company grew rapidly. In 1946 (Showa 21), Suzunaka-gumi was reorganized as Suzunaka Kogyo Co., Ltd. (鈴中工業株式会社). During Japan's postwar high-growth period, orders for civil engineering and building works increased, and the company expanded both its scope of work and its corporate scale. It handled projects beyond its traditional scope, including the Sunamachi sluice gate work in Tokyo, the Mito Golf Club, and the Nagoya Design Expo. In 1981 (Showa 56), sales surpassed 10 billion yen. The company's bases moved among Nagoya, Tokyo and Gamagori during this turbulent period. Key milestones include: establishment of Suzunaka Kogyo Co., Ltd. in 1946; relocation of the head office to Ota-ku, Tokyo in 1954; construction of the Okazaki-Otokawa temporary bridge in 1955; opening of the Nagoya branch in Nakamura-ku, Nagoya in 1958; relocation of the head office to Shinagawa-ku, Tokyo in 1963; promotion of the Hamamatsu office to branch status in 1964; Suzuki Nakakichi becoming chairman and Suzuki Takayoshi becoming president in 1967, along with construction of the Suzuki Jiko Iwata factory; relocation of the head office to Gamagori, Aichi in 1968; the 60th anniversary in 1970; Suzuki Hiromasa becoming president in 1978; the Gamagori Takeshima pier work in 1984; relocation of the head office to Nakamura-ku, Nagoya in 1986; Takahashi Jiro becoming president in 1994; and relocation of the registered head office to Gamagori, Aichi in 1999. At the end of the 20th century, in 2000 (Heisei 12), current president Suzuki Yasuhito took office and began fundamental management reforms for the 21st century. The company established a purchasing department, built co-prosperous trading relationships, and set up various committees for order review, construction study and award study, promoting rational management control and aiming to become a leaner company. In 2010 (Heisei 22), it celebrated its 100th anniversary with employee trips including families to China, Taiwan, Korea and Kumamoto, which created cross-departmental connections and were subsequently held in milestone years. Other milestones include the Tomari dredging and the Second Tomei Expressway Myojinyama Viaduct substructure work in 2002; the 100th anniversary in 2010; the Great East Japan Earthquake in 2011; the Nagoya head office in Marunouchi in 2014; the Fuji Bunka Kindergarten new construction in 2017; the NTC Consultants Technical Research Institute new construction in 2018; the Gamagori head office in Motomachi; and disaster support for the 2019 Kyushu northern heavy rain. In the Reiwa era, the company's challenges continue. It has undertaken large-scale renovation of the Aichi Arts Center main hall, construction of the Kaiyo Yacht Harbor large roof, renovation of the Nagoya Port Aquarium, and new construction of the Gamagori Police Station, among other buildings symbolic of Aichi Prefecture. At the same time, it has participated in disaster support such as dispatching professional personnel and transporting supplies during the 2019 Kyushu northern heavy rain and Typhoon Hagibis. As an entity that not only builds towns but also protects them, its social responsibility is increasingly expected.
- 2017
Fuji Bunka Kindergarten new construction.
- 2014
Nagoya head office in Marunouchi.
- 2011
Great East Japan Earthquake.
- 2010
100th anniversary.
- 2002
Tomari dredging and Second Tomei Expressway Myojinyama Viaduct substructure work.
- 2000
Suzuki Yasuhito became president; management reforms began.
- 1999
Registered head office moved to Gamagori, Aichi.
- 1994
Takahashi Jiro became president.
- 1986
Head office moved to Nakamura-ku, Nagoya.
- 1984
Gamagori Takeshima pier work.
Products and positioning
Regional general contractor in Aichi and surrounding areas, emphasizing civil engineering and building construction, technical capability, and community contribution.
Civil engineering works
Ports, roads, bridges, land development, dredging, pavement.
Building construction works
Government buildings, schools, police stations, sports facilities, renovation.
Construction consulting
Planning, design and supervision of construction projects.
Real estate services
Trading, brokerage, management and leasing.
Waste disposal
Industrial and general waste disposal.
Aggregate sales
Extraction and sale of gravel, sand and boulders.
Sources5 sources
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