These include the following projects: in refineries, in Chile, Delayed Coking Plant, Mild Hydrocracking Units and Gasoline desulfurization for Empresa Nacional del Petróleo (ENAP); in Peru, a Cogeneration Plant and Fluidized Catalytic Cracking Unit (FCC) for Refinería La Pampilla; in Venezuela, Ammonia Plant for the Venezuelan Petrochemical (Pequiven).In Energy, in Chile, Units 3 and 4 of 150MW each for Termoeléctrica Guacolda, for Mitsubishi Heavy Industries; in Venezuela, the expansion of a Combined Cycle Plant for ENELVEN. DSD has also executed paper plants and cellulose projects for CMPC and Arauco in Chile, it has also executed various mining projects for the Radomiro Tomic Divisions, Chuquicamata, Gaby de Codelco, Minera Spence, Minera Escondida and Minera El Abra. About the Companies DSD is one of the most important companies in the provision of engineering and construction services for the Energy, Oil and Gas, Cellulose and Mining industry in Chile and other Latin American countries, specializing in electromechanical assemblies. With over 19 years of history, DSD has an activity, to June 2013, of US$ 65.6 million and is currently involved in the Antucoya (Antofagasta Minerals), Los Colorados (CAP Mining) and Ministro Hales (Codelco) mining projects as well as in the maintenance of plants projects for ENAP in Concon. Vial y Vives is one of the leading Chilean companies in the civil works and assembly, especially in the mining sector. Its backlog as of July 2013 amounts to US$ 226 million. Graña y Montero Founded in 1933, Graña y Montero is the only Peruvian engineering and construction company listed in the Lima Stock Exchange since 1997 and now also the NYSE. Graña y Montero has participated in the development of major engineering and construction projects in Peru, including large-scale, complex projects in the energy, mining, construction and real estate sectors. With 80 years of operations, Graña y Montero has leveraged its engineering and construction expertise into complementary lines of business, such as the development, ownership, operation and maintenance of infrastructure assets, real estate developments, and the provision of technical services. Graña y Montero has significant investments in infrastructure concessions, such as three toll roads and Line 1 of the Lima Metro.