Azevedo & Travassos S.A., together with its subsidiaries, operates as an engineering company in Brazil. It operates through Infrastructure, Petroleum, Oil and Gas, and Investments segments. The company offers heavy and pipeline construction, sanitation, and electromechanical and industrial assembly. It also provides various services for the oil and gas sector comprising engineering, procurement, construction, and assembly; modification and repair; production asset management; hookup/integration; and onshore/offshore industrial maintenance and decommissioning services. In addition, the company is involved in civil engineering projects; construction of forms, modules, and refineries; purchase, sale, and development of real estate properties; manufacture of cement artifacts, fiber fabrication, and ferrosteel; and exploration, production, and marketing of oil and its derivatives, natural gas, and other fluid hydrocarbons. Further, it engages in oil and gas exploration; retrofit of oil wells; and investment activities. Azevedo & Travassos S.A. was incorporated in 1922 and is based in São Paulo, Brazil.