Encalso Construções Ltda. engages in heavy civil engineering activities. Its activities include earthworks, construction and paving of roads, avenues, bridges and viaducts, dams, and airports, and construction of water and sewage treatment plants, basic sanitation works, pipelines, gas pipelines, and infra-urban structures. It develops several activities: earthworks, construction and paving of roads, avenues, bridges and viaducts, dams, airports, construction of water and sewage treatment plants, basic sanitation works, pipelines, gas pipeline and infra - urban structure.