ACS Actividades de Construccion y Servicios is a holding company. Through its subsidiaries, Co.'s activities are divided into the following areas: Construction, engaged in the construction of civil works, and residential and non-residential building construction; industrial services, engaged in the development of applied engineering services, installations and the maintenance of industrial infrastructures in the energy, communications and control systems sectors; services, groups together environmental services, the outsourcing of building maintenance services, logistics and transport services; and concessions, mainly engaged in transport infrastructure concessions.

Allianz is engaged in the provision of a range of insurance and asset management products and services. Co. has three business segments: Property-Casualty, which provides insurance products to both private and corporate customers, including motor liability and own damage, accident, general liability, fire and property, legal expense, credit and travel insurance; Life/Health, which provides life and health insurance products including annuities, endowment and term insurance, unit-linked and investment-oriented products and private health and supplemental health and long-term care insurance; and Asset Management, which provides institutional and retail asset management products and services.

Caixabank is an investment company based in Spain. Co. is involved in investment portfolio management activities across two areas: Services and Financial Business and Insurance. In the services area, Co. provides investment solutions for companies involved in the infrastructure, energy, services and entertainment sectors. In the financial business and insurance area, Co. is engaged in the investments for international banks, insurance and specialist financial services. Co. focuses most of its banking investments in India, China, the U.S., and Central and Eastern Europe with a particular interest in retail banking. Co. is also involved in the disinvestments activities.

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.

Talgo is engaged in designing, manufacturing, repairing and maintaining the railway rolling stock, as well as the manufacturing, assembling, repairing and maintaining the engines, machinery and parts of the railway systems. Co. has an industrial presence in seven countries: Spain, Germany, Kazakhstan, Uzbekistan, Russia, Saudi Arabia and U.S.A. Co. has an active fleet in Europe, Asia and North America that comprises of 94 high-speed trains and more than 1,400 Talgo tilting passenger cars. Also, Co. purchases, redesigns, constructs, leases and sells all types of real estate.