OECD sites

Statistics Directorate Industry and services Methodological information about SSIS OECD Database for Structural Analysis (STAN) Statistics on International Trade in Services database OECD STI Outlook Industry and Technology: Scoreboard of Indicators

Other international organisations

United Nations Industrial Development Organisation (UNIDO) United Nations Statistics Division (UNSD) Eurostat

Classifications

ISIC Revision 3 ISIC Revision 2