Jose Cartellone Construcciones Civiles provides construction services. The company operates through three segments: Construction, Steel, and Services and Concessions. The Construction segment offers heavy engineering works, such as hydroelectric, civil, mining, and road projects; manufactures precast concrete used for construction; and constructs high voltage lines, such as the implementation of projects for the construction of power transmission lines that involve the construction of corresponding transformer stations. The Steel segment engages in the design and fabrication of steel casting wear parts for the shipbuilding and aggregates industry. The Services and Concessions segment operates and maintains contracts for the transmission of power plants systems.