Acciona S.A. is involved in various sectors, including infrastructure, renewable energy, water, and services. It is a global company headquartered in Spain, and Acciona Infrastructure is one of its key divisions. It is primarily focused on infrastructure development, construction, and management. The division is involved in various projects, including transportation, water, and other civil engineering initiatives. This can include the construction of highways, bridges, railways, tunnels, and other critical pieces of infrastructure. It operates on an international scale, undertaking projects in various countries. The company leverages its global expertise to contribute to the development of infrastructure in different regions.