CONTRACTING, BUILDING PROMOTION AND BUILDING ATTENDANT SERVICES, NAMELY, MANAGING BUILDING PROJECTS FROM ORGANIZATIONAL POINT OF VIEW; CONSTRUCTION OF BUILDINGS FOR IMMEDIATE OCCUPANCY; ARCHITECTURAL AND ENGINEERING SERVICES; REAL ESTATE AGENCY SERVICES AND REAL ESTATE ADMINISTRATION SERVICES; CONTRACTING, BUILDING PROMOTION AND BUILDING ATTENDANT SERVICES, NAMELY, MANAGING BUILDING PROJECTS FROM FINANCIAL AND TECHNICAL POINT OF VIEW