Amper is the parent company of a group engaged in the telecommunications industry. Co. and its subsidiaries are engaged in the research, development, manufacture, sale, repair and maintenance of electronic systems and telecommunication equipment. Co.'s range of expertise includes network management systems, local loop technology, switching center modernization systems, data communications systems, combat radio sets, parking meter engineering, installation and maintenance services, vehicle localization and navigation systems, and energy systems. Products include private and public telephones, digital commutation systems, and cellular phone equipment.

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.