Armando Zuluaga Zilbermann

Telefónica de Argentina SA is a telecommunications. It is engaged in offering telephone-related services such as PCS, basic telephone service, local telephony, domestic long-distance, domestic long-distance, international long-distance, public telephone, internet access, data transmission service, value-added service and cellular services. The company was founded on April 23, 1990 and is headquartered in Buenos Aires, Argentina.

Riverstone Holdings LLC operates as an energy focused investment manager. It conducts buyout and growth capital investments in the exploration and production, midstream, oilfield services, power, and renewable sectors of the energy industry. The company was founded by David Matthew Leuschen and Pierre Fernard Lapeyre, Jr. in 2000 and is headquartered in New York, NY.

Sociedad Estatal de Participaciones Industriales (SEPI) operates as a holding group. It is a state owned industrial holding company whose holdings include airline, mining, power generation, marine transport, aerospace, information technology and engineering and construction sectors. SEPI was founded in 1995 and is headquartered in Madrid, Spain.

Inversion Corporativa IC SA engages in financial investment and shareholding activities. Its interests focus on the engineering and construction sectors. The company was founded on April 17, 1981 and is headquartered in Madrid, Spain.

Enusa Industrias Avanzadas SA produces uranium for nuclear power plants and is ultimately controlled by the Government of Spain. The company is based in Madrid, Spain.

Telvent Corp. SL provides information technology services. It offers real-time IT solutions to the energy, environment, traffic management, and transport sectors. The company offers services in Spain, North America, Latin America, and Asia. Its subsidiaries include Telvent GIT SA and xWave. Telvent is headquartered in Alcobendas, Spain.

Diario ABC SL is a Spanish newspaper that is considered a reference and leader in the national press. The private company is based in Madrid, Spain. The Spanish company provides instant and credible information through its website, ABC.es, which is also optimized for mobile devices. and has subsidiaries in Spain.

Cia Sevillana de Electricidad provides electric services. The private company is based in Seville, Spain.

Part of Naturgy Energy Group SA, Prointec is a Spanish company that provides engineering and architectural services. The company is based in Santa Rita do Sapucaí, Spain.

Operador del Mercado Ibérico de la Energía Polo Español SA is a private company based in Madrid, Spain, with subsidiaries in Spain. The Spanish company manages the bidding system for the purchase and sale of electricity.

Fundacion Universitaria Comillas provides educational services. The company is headquartered in Madrid, Spain.

Empresa Nacional del Uranio engages in exploring and investigating uranium deposits.

Bloqmarine Internacional SL is a holding company. It is engaged in the manufacture and commercialization of steel blocks for the shipbuilding and civil infrastructure construction industries. The company was founded on February 24, 2009 and is headquartered in Madrid, Spain.

Rioglass Solar Holding SA is a Spanish company that specializes in designing and manufacturing optical CSP and CPV components. Rioglass Solar Holding is based in Pola de Lena, ES and has subsidiaries in Belgium and Spain. The private company's innovative designs, advanced technology, and highly automated production capacity make premium CSP and CPV components more easily accessible to businesses and consumers worldwide. The company was founded in 2007 and is now the largest supplier of CSP HCE tubes and concentrating mirrors in the market. The CEO of the company is Ignacio Garcia Conde Noriega.

Part of Rioglass Solar Holding SA, Rioglass Solar International NV operates as a solar farm. The company is based in Brussels, Belgium and was founded in 2013.

Abengoa Bioenergía is the holding company. The Business Unit is dedicated to the production and development of biofuels for transport, bioethanol and biodiesel, among others, that employ biomass (cereal, cellulosic biomass, sugarcane, and oleaginous seeds) as raw material. Biofuels are used for ETBE production (gasoline additive), or for direct blending with gasoline or diesel. Being renewable energy sources, biofuels reduce CO2 emissions, and contribute to the security and diversification of the energy supply, while reducing the dependency on fossil fuels in the transportation and helping towards compliance with the Kyoto Protocol.

Part of Redeia Corporacion SA, Red Electrica de Espana SA is a company that specializes in the management of the Spanish electricity system. The company is based in Alcobendas, Spain. Red Electrica de Espana provides information on the functioning of the electricity system, including reports on the use of renewable energy sources. The company also has a sustainability plan with 190 actions to be implemented by 2025. Red Electrica de Espana promotes knowledge about the energy transition and the active role of consumers through its itinerant exhibition. The company is involved in strategic projects such as the Peninsular-Ceuta link, which aims to integrate Ceuta into the peninsular electricity system, and the interconnection with France through the Gulf of Bizkaia. The company also manages the reversible pumping hydroelectric power station Salto de Chira, which is essential for the sustainability of a new energy model based on renewables in the Canary Islands. The company was founded in 1985. Roberto Garcia Merino has been the CEO of the company since 2007.

Detector de Seguimiento y Transmisión SA provides security and telematics services. The firm offers stolen vehicle recovery systems as well as cooperation agreements with public and private companies. The company is headquartered in Madrid, Spain.