Construtora OAS S.A., together with its subsidiaries, provides heavy-duty civil engineering and heavy construction services to private and public sectors in Brazil. The company undertakes various oil and gas projects, such as refineries, petrochemical companies, logistic terminals, LPG ducts, and gas pipelines in the on-shore area; and drillship production platforms in the off-shore area. It also builds hydro power plants and thermal power plants; and highways, subways, dams, water mains, tunnels, bridges, ports, airports, sporting complexes, and buildings. The company was founded in 1976 and is based in São Paulo, Brazil. Construtora OAS S.A. operates as a subsidiary of OAS S.A. With a global presence and operating in all infrastructure segments, OAS Engenharia, through Construtora OAS, is distinguished by the excellence of its services, to the public and private sectors, providing its customers with innovative solutions in engineering, cutting-edge technology , Quality in the execution and fulfillment of the deadlines of their projects. Its portfolio of over 36 years of services is comprised of projects that are a reference for civil construction in Brazil. Among them are numerous works in the oil and gas sectors, with refineries, petrochemicals, logistics terminals, LPG pipelines and pipelines in the onshore area, and offshore drilling platforms. For the energy sector, it carries out hydroelectric and thermoelectric plants. In the infrastructure segment, it builds highways, subways, dams, pipelines, tunnels, bridges, ports, airports, sports complexes and buildings in general.