Number of employees 18,031 Global offices 17 Countries and regions Years of business 135 years Number of group companies 156 (Figures are as of March 31, 2026) Message From The President Obayashi Basic Principles Obayashi Philosophy, Obayashi Code of Conduct, Obayashi Three Pledges Medium-Term Business Plan Our five-year business plan, starting FY2022 Global Network / Group Companies Obayashi Corporate Report 2026 is now available Obayashi Corporate Profile is now available Posted Statement on Modern Slavery and Human Trafficking (FY2025) (PDF:416.1 KB)