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.

Duro Felguera is engaged in electrical and mechanical engineering activities, including the manufacture, turn-key installation, and service of industrial machinery in the metallurgic sector. Co. is also engaged in the contract, distribution and sale of fuel-oil, gas-oil and diesel-oil, as well as in the mining and production of iron and steel. Through its subsidiaries, Co. is engaged in the provision of fuel-oil, gas-oil, diesel-oil, and intermediate products in high technology, including software, hardware, research, development as well as in investments.

Fauji Cement is engaged in the manufacturing and marketing of cement.

Ferrovial is a transportation company based in Spain. Co. is engaged in operations in the transportation sector. Co. specializes in the design, construction, management, administration and maintenance of transport infrastructures. Co.'s services range also includes the maintenance of parking lots, and land-, sea- and air-based transport networks. Co. is also engaged in the promotion and operation of short-stay parking lots, parking regulation and management services and promotion and sale of residents' parking.

Fomento de Construcciones y Contratas is the parent company of a group engaged in sanitation services, cleaning, maintaining, purification and distribution of water, construction of highways, hydraulic works, marine works, air and rail transport infrastructure, urban developments, housing, non-residential buildings, office buildings, toll highways, parking garages, marinas and water treatment plants. Co. is also engaged in the manufacture and sale of cement and cement infrastructures, such as precast concrete elements; and in the financial markets, and real estate development, leasing and tourism.

Repsol is an oil and gas company. Co. is engaged in all the activities relating to the oil and gas industry, including exploration, development and production of crude oil and natural gas, transportation of oil products, liquefied petroleum gas (LPG) and natural gas, refining, the production of a wide range of oil products and the retailing of oil products, oil derivatives, petrochemicals, LPG and natural gas, as well as the generation, transportation, distribution and supply of electricity. Co. operates in more than 40 countries. Co.'s operations are divided into four segments: Upstream, Downstream, LNG and Gas Natural Fenosa.

Sacyr is the parent company of a group engaged in the acquisition, development and construction of urban properties for their subsequent rental or resale. Co. primarily leases and sells office buildings and complexes, housing units, and shopping centers. Co. is also engaged in the operation of urban car parking facilities. Co. offers services related to the real estate industry such as technical assistance in energy savings, inventory management, architectural design, telecommunications management, property maintenance, as well as gardening and landscaping. Co. also provides consulting services in the real estate fund management sector.