Cleaning and degreasing of ventilation, extraction and propulsion systems in buildings, installation and removal of ducts, 24-hour troubleshooting; company specializing in secondary work, i.e. drywalling, painting, wallpapering, false ceiling installation including tiling and minor masonry work; or all interior renovation work, final cleaning of construction sites; all building information modeling (BIM) activities, mechanical electrical plumbing (MEP), computer-aided design (CAD); all computer-related services and sales; any activity and mandate related to security, building automation and home automation; all drone photography techniques; all services in the field of heavy construction, in particular formwork and reinforcement (cf. statutes for complete purpose).