[40100000] - Equipement et composants et systèmes de chauffage et ventilation et circulation d'air et climatisation - Heating and Ventilation and Air Circulation Systems and Equipment and Components (HVAC)[72151100] - Travaux plomberie, chauffage et climatisation - Plumbing and heating and air conditioning (HVAC)[72141108] - Travaux de maintenance d'ouvrage d'art (Pont, tunnel, Viaduc) - Structure maintenance service (Bridge, tunnel, viaduct)[27000000] - Outils et machines générales - Tools and General Machinery[72110000] - Travaux de bâtiment - Building construction services[72140000] - Travaux Publics - Heavy construction services[72150000] - Travaux de bâtiment de second oeuvre - Specialized trade construction and maintenance services
Aïn Defla