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.

Applus Services SA is a Spain-based company that provides inspection, testing and quality assurance services. The Company's activities are divided into five segments: Applus+ RTD, which provides non-destructive testing services mainly to the oil industry; Applus+ Velosi-Norcontrol, which offers solutions for technical assistance, supervision, inspection, quality control testing, certification and consulting services mainly to industrial, electrical, oil and telecommunications facilities; Applus+ Laboratories, which focuses on laboratory testing, system certification and product development services within aerospace, industrial and consumer goods sectors, among others; Applus+ Automotive, which is responsible for the vehicle roadworthiness testing services, and Applus+ IDIADA, which delivers design, engineering, testing and certification services mainly to car manufacturers. The Company operates in Europe, Africa, Asia and the Americas.

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.

Unicaja Banco SA is a Spain-based financial institution (the Bank) engaged in the banking sector. The Bank offers services to individual and business customers. Its products and services range includes current and savings accounts, debit and credit cards, consumer and commercial loans, real estate credit, securities brokerage, funds management, leasing, factoring, pension plans, life and non-life insurance, international trade financing, money transfer, as well as treasury, among others. The Bank operates a number of branches in Spain and Morocco. The Bank is controlled by Fundacion Bancaria Unicaja.