Azevedo & Travassos S.A. operates as an engineering company in Brazil. The company constructs highways, railways, subways, tunnels, avenues, dams, and airports; concrete structures, such as bridges and viaducts; and buildings for various proposes, such as residential, commercial, and industrial and health care, as well as for public or private sectors. It also constructs and assembles gas pipelines, oil pipelines, slurry pipelines and water intakes, and urban steel and polyethylene gas pipeline networks; recovers and maintains oil and gas pipelines; and constructs compression, pressure reduction, and rate measurement stations, as well as engages in the drilling, completion, and workover of oil, gas, mining, and water wells using onshore drilling and well-servicing rigs. In addition, the company is involved in the real estate development activities, including buying, selling, and incorporating real estate projects; and oil and natural gas exploration and production business, as well as construction of sanitation projects comprising reservoirs, pipelines, water distribution networks and sewage systems, elevation stations, and sewage treatment projects. Azevedo & Travassos S.A. was founded in 1922 and is based in São Paulo, Brazil.