Official page for Norwegian Industrial Safety Organisation (NSO). The main purpose of the Norwegian Industrial Safety Organisation (NSO) is to organise and control own protection (emergency preparedness) in operations governed by the regulations relating to ernergency preparedness requirements. NSO fulfils its task by • advising individual companies, distributing training material and arranging courses • inspecting companies required to implement emergency preparedness • collating status reports from companies required to implement emergency preparedness dealing with plans for, and carrying out inspections of, fall-out shelters