Acerinox is the parent company of a group engaged in the manufacture and sale of flat and long stainless steel products, and stainless steel wires. Co.'s major products include slabs, billets, black coils, plates, hot-rolled coils, hot-rolled sheets, flat bars, hot-rolled re-bars, hot-rolled black bars, engraved sheets, cold-rolled coils, cold-rolled sheets and circles. Co. also provides long stainless steel products, such as wire rods, angles, hot rolled flat bars, hot rolled re-bars, reinforced bars in coils, cold rolled re-bars, hot rolled black bars, cold drawn bars, and smooth turned bars. In addition, Co. offers wires, welding wire bars, and bars for electrodes.

Aena SME SA, formerly Aena SA, is a Spain-based company primarily engaged in the airports operation. Its activities are divided into four segments: Airports, which comprises Aeronautical subdivision, responsible for the management of airports, jetways, security, handling, cargo and fuel services, among others, as well as Commercial subdivision, including duty-free and specialty stores, restaurant services, car rental, as well as banking services and advertising; Services outside the terminal, which manages real estate assets, such as parking lots, warehouses and lands; International, which comprises operations of Company's subsidiary, Aena Desarrollo Internacional SA, that invests in other airport owners principally in Mexico, Colombia and the United Kingdom; and Others, encompassing corporate activities. It manages tourism, hub and regional airports, as well as heliports and general aviation areas. Furthermore, its destination range comprises Europe, the Americas, Asia and Africa.

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.