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.

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.

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.

Mapfre is an insurance company based in Spain. Co. is the parent company of a group engaged in the underwriting and provision of insurance in Spain and abroad. Insurance policies provided include: life, non-life, accident, home-owner, general and health. Through its subsidiaries, Co. is also engaged in the provision of reinsurance, the management of investment funds, pension funds and pension plans, real estate and related services. On the domestic market, Co.'s activities include managing investment funds, pension funds and pension plans, real estate and other service businesses.

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.