- CEO
- Toshimi Sato
- Full Time Employees
- 18,031
- Sector
- Consumer durables
- Industry
- Homebuilding
- Address
- 2-15-2, Konan Tokyo TY Japan 108-8502
- IPO Date
- Nov 1, 1960
- Business
- Obayashi Corporation (1802.T), founded in January 1892 and headquartered in Tokyo, Japan, operates as a leading global construction firm specializing in domestic and overseas building construction, civil engineering, real estate development, and related services including regional, urban, ocean development, environmental improvement, engineering, management, and consulting. The company constructs a diverse range of buildings such as offices, condominiums, commercial facilities, factories, hospitals, schools, and institutional structures incorporating earthquake-resistant technologies; civil engineering projects encompassing tunnels, bridges, dams, river works, urban structures, railroads, expressways, and semiconductor/pharmaceutical production facilities; renewable energy installations; soil and water pollution countermeasures; and property management through purchase, sale, development, and rental activities, with operations spanning Japan, North America, Asia, Oceania, Europe, and other international markets. Recent developments include the acquisition of MWH Constructors in January 2024 and shares in GCON Inc., a US construction company, in 2025 to bolster its North American portfolio; establishment of Obayashi Construction-Tech Lab Singapore in 2024 as an overseas R&D base focused on construction robotics; capital tie-up with Eastland Generation in New Zealand for renewable energy expansion; formation of MiTASUN Inc. for urban data center development; launch of initiatives like GREEN×EXPO 2027 special website, ORCISM™ crane safety system, and PoC for green hydrogen production, transportation, and utilization across New Zealand and Fiji; and ongoing advancements in GX construction machinery, circular material use via myUpcyclea, and floating offshore wind structures.