Acciona is the parent company of a construction group. Co. is engaged in general construction activities in the areas of civil engineering and buildings, including railways, marine and hydraulic works, motorways and airports, town planning, conduits, pavements, parking lots, and industrial and urban buildings. In addition, Co. is engaged in the provision of real estate services, the operation of parking lots, telecommunications, services, ecology and alternative means of energy. Co.'s operations are organized in six business divisions: Infrastructures, Real Estate, Energy, Water, Environmental & Urban Services and Logistic & Transport Services.

Airbus is an European Aeronautic Defense and Space company whose core business is the manufacturing of commercial aircraft, civil and military helicopters, commercial space launch vehicles, missiles, military aircraft, satellites and defense systems and defense electronics and the rendering of services related to these activities. Co. organizes its businesses into the following five operating divisions: Airbus Commercial, Airbus Military, Eurocopter, Cassidian and Astrium. In addition, Co.'s Other Businesses division engages in the development, manufacturing, marketing and sale of regional turboprop aircraft and aircraft components.

Indra Sistemas is engaged in the design, development, manufacture, assembly, repair, and installation of computer software and applications. Through its subsidiaries, Co. is engaged in consulting, graphic design and multimedia, web design and marketing, internet development and electronic trade, systems integration and hosting geared business to business and business to consumer, as well as in internet financing and electronic marketing. Co. serves defense and security, transport and traffic, energy and industry, telecom and media, finance and insurance, and public administration and healthcare markets. Co. operates primarily in Europe, the United States, Canada, and Latin America.

Obrascon Huarte Lain is an international concession and construction groups based in Spain. Co. maintains significant operations in 30 countries across all five continents. Co. is engaged in hospital and railway construction, transport infrastructure concessions, oil and gas, energy, solids handling and fire protection systems and international contracts. Co.'s operations are organized along four divisions: OHL Concesiones, OHL Construccion, OHL Industrial y OHL Desarrollos. Co. is also engaged in real state project developments of mixed use managed by the international hotel chains.