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.

Iberpapel Gestion is engaged in the manufacture, wholesale distribution, sale and export of pulp and printing and writing paper. In addition, Co. maintains forestry activities, including the cultivation of timberlands.

Gestevision Telecinco is a television network company based in Spain. Co. heads a group of dependent companies, which form the Telecinco Group. Through its subsidiaries, Co. is engaged in the management and commercial exploitation of a television network. Co.'s television network acquires, produces, and distributes audiovisual content. Co. also sells the network advertising airtime, carried out by its subsidiary. In addition, Co. is involved in the sale of other advertising products; production of news programs; the production and sale of audiovisual property rights; and teleshopping.

Merlin Properties SOCIMI SA is a Spain-based company engaged in the operation of a real estate investment trust (REIT). The Company focuses on the acquisition, management and rental of commercial properties located in the Iberian Peninsula, primarily in Spain. The Company's activities are divided into the following segments: Office buildings, operating a portfolio of office space; High-street retail, engaged in leasing retail stores; Shopping centers, engaged in managing department stores; Logistics, operating logistics warehouses and distribution centers, and Others. The Company's other activities include property management services rendered to third parties.

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.