Obayashi 

Obayashi Corporation operates primarily as a global construction company, with a significant presence spanning Japan, North America, Asia, the Middle East, Europe, and Oceania. Its construction expertise encompasses a wide array of projects, from erecting various buildings—such as offices, residential condominiums, retail complexes, industrial facilities, healthcare establishments, and educational institutions—to undertaking major civil engineering initiatives like tunnels, bridges, dams, river infrastructure, metropolitan developments, railways, and expressways. Beyond its core construction activities, Obayashi is actively engaged in real estate, providing development, leasing, and comprehensive property management services, particularly in urban areas. The company also contributes to sustainable energy generation through its involvement in solar, biomass, hydropower, geothermal, and wind power, and participates in public-private partnerships (PPP) and agricultural ventures. Further diversifying its portfolio, Obayashi supplies construction materials and equipment, develops and markets computer software, and deals in the sale and rental of electronic devices. Its financial offerings include monetary lending, debt guarantees, the acquisition and oversight of securities, and debt purchasing, in addition to functioning as a non-life insurance agency. The firm provides a comprehensive suite of services, encompassing urban planning, outsourced engineering, management, and consultancy, while also specializing in the design and execution of mechanical and electrical (M&E) systems. Established in 1892, Obayashi Corporation's corporate headquarters are situated in Tokyo, Japan.