The Statistical Classification** of Economic Activities in the European Community**, commonly referred to as NACE (for the Fre****nch term "nome****nclature statistique des activités économiques da****ns la Commun****auté européenn****e"), is the industry sta****ndard classification system used in the European Union. The current version is revision 2 and was established by Regulation (EC) No 1893/2006. It is the European implementation of the UN classification ISIC, revision 4. There is a correspondence between NACE and United Nations' International Standard Industrial Classification of all Economic Activities. NACE is similar in function to the SIC and NAICS systems: NACE uses four hierarchical levels: The first four digits of the code, which is the first four levels of the classification system, are the same in all European countries. National implementations may introduce additional levels. The fifth digit might vary from country to country and further digits are sometimes placed by suppliers of databases.

Level 1 Codes

The 21 Level 1 codes are: