[72151100] - Travaux plomberie, chauffage et climatisation - Plumbing and heating and air conditioning (HVAC)[81000000] - Services d'ingénierie et de recherche et services technologiques - Engineering and Research and Technology Based Services[72121400] - Travaux de construction de bâtiments publics spécialisés - Specialized public building construction services[81101500] - Génie civil - Civil engineering[72110000] - Travaux de bâtiment - Building construction services[72150000] - Travaux de bâtiment de second oeuvre - Specialized trade construction and maintenance services
Djelfa