Construction of civil engineering structures; construction of buildings; construction of public installations; underwater construction; installations and repairs of roads, buildings, tunnels, highways, bridges; rental of construction machinery; assembly of scaffolding; Building construction supervision; construction of public works, namely, asphalting, plumbing, mining extraction, quarry services, drilling of wells; pipeline maintenance, namely, overhaul of pipelines, repair of pipeline systems; pipeline maintenance, namely, underwater repair of pipelines; construction services, namely, repair of facades; repair of buildings; maintenance and repair of heating, electrical systems, telephony systems installations in buildings; construction services, namely, regeneration of beaches; underwater maintenance and construction, namely, construction and maintenance of underwater works; road construction, namely, repair and maintenance of public roads

Engineering services, namely, engineering for the building and construction; technical project studies in the field of civil engineering; technical engineering, namely, in the field of environmental engineering; mechanical engineering; civil engineering; engineering consultancy; engineering services, namely, consultancy and technical design in the field of building and property condition assessment, facility management, repair and restoration and building instrumentation; research services, namely, preparation of engineering reports; technical research services in the field of civil engineering; product development, namely, development of building projects for others; engineering services, namely, technological estimates done by engineers; engineering services, namely, scientific estimates done by engineers; research services, namely, technical report services in the field of civil engineering; preparation of technical reports in the field of civil engineering