[83101504] - Travaux de construction et rénovation de structures de distribution d'eau et d'égouts (Hydraulique) - Water and sewer utilities (Hydraulics) construction and maintenance service[81101508] - Génie architectural - Architectural engineering[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[72160000] - Travaux hydrauliques - Hydraulic construction services
Ouargla