Obayashi company profile

1802 · TSE · JPY

¥2,948.50Change from previous close: −0.56%Absolute change: −¥16.50

Close · October 5, 2026

Company profile

Obayashi has 18,031 employees and is headquartered in Tokyo, Japan.

Obayashi Corporation engages in the construction business in Japan, North America, Asia and internationally. The company constructs buildings, including offices, condominiums, commercial facilities, factories, hospitals, and schools; civil engineering projects, such as tunnels, bridges, dams, river works, urban civil engineering structures, railroads, and expressways; and engineering services for semiconductor and pharmaceutical production facilities, renewable energy facility construction, ICT for buildings, and soil and water pollution countermeasures. It is also involved in the development and leasing of real estate properties in various locations, primarily in urban areas; power generation using solar power, as well as wind power, biomass, geothermal energy, and other sources; and PPP and agriculture business. The company was founded in 1892 and is headquartered in Tokyo, Japan.

Company facts

Industry
Engineering & Construction
Country
Japan
Headquarters
2-15-2, Konan, 108-8502, Tokyo
Employees
18,031
Listing
1802 · TSE
Indices
Nikkei 225
Currency
JPY