ISS INTERNATIONAL SERVICE SYSTEM

BUILDING MAINTENANCE SERVICES, NAMELY, GENERAL CLEANING, MECHANICAL MAINTENANCE, ELECTRICAL, HEATING AND AIR CONDITIONING MAINTENANCE, WINDOW CLEANING, FURNITURE AND CARPET CLEANING, STONE CLEANING, MARBLE RESTORATION, FLOOR AND WALL CLEANING AND MAINTENANCE SERVICES

BUILDING SECURITY GUARD SERVICES; LANDSCAPE GARDENING AND GROUNDSKEEPING SERVICES