Aena SME SA, formerly Aena SA, is a Spain-based company primarily engaged in the airports operation. Its activities are divided into four segments: Airports, which comprises Aeronautical subdivision, responsible for the management of airports, jetways, security, handling, cargo and fuel services, among others, as well as Commercial subdivision, including duty-free and specialty stores, restaurant services, car rental, as well as banking services and advertising; Services outside the terminal, which manages real estate assets, such as parking lots, warehouses and lands; International, which comprises operations of Company's subsidiary, Aena Desarrollo Internacional SA, that invests in other airport owners principally in Mexico, Colombia and the United Kingdom; and Others, encompassing corporate activities. It manages tourism, hub and regional airports, as well as heliports and general aviation areas. Furthermore, its destination range comprises Europe, the Americas, Asia and Africa.

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.

Iberdrola is a holding company. Through its subsidiaries, Co. operates in four segments: network business, which includes all the energy transmission and distribution activities, and other regulated activity originated in Spain, the U.K., the U.S. and Brazil; deregulated business, which includes electricity generation and sales businesses as well as gas trading and storage businesses carried on by Co. in Spain, Portugal, the U.K. and North America; renewable business, with activities related to renewable energies in Spain, the U.K., the U.S. and the rest of the world; and other businesses, including the engineering and construction businesses and the non-power businesses.

NH Hotel is engaged in the operation and management of hotels throughout Spain, the Benelux countries, Germany, and South America.

Prosegur Cash SA, formerly Prosegur Cit Holding SA, is a Spain-based company engaged in the provision of security services. The Company's activities are divided into three business areas: Logistics, Cash management and Outsourcing. The Logistics division focuses on the provision of local and international transport services of cash and other valuable goods. The Cash management division offers counting, processing, custody, preparation and delivery of notes and coins, as well as replenishment of automatic teller machines (ATMs). The Outsourcing division includes a number of support financial services, such as automation of retail operations through self-service cash automatization machines (MAEs), ATMs management, as well as branch forecasting, reconciliation, settlement and credit card support services. The Company operates through own branches and joint ventures in Europe, Central and South America, Africa, Asia and Australia. It operates through Contesta Teleservicios SAU.