laut International Standard Industrial Classification ISIC,
dtsch. Internationale Standardklassifikation der Wirtschaftszweige, Klassifikation der UNO zur Gliederung von Wirtschaftsbereichen und Industriezweigen:
- Manufacturing
- Electricity, gas, steam and air conditioning supply
- Construction
- Wholesale and retail trade
- Transport
- Information and communication
- Financial activities
- Professional, scientific and technical activities
- Administrative and support service activities
- Public administration and defence
- Education
- Activities of extraterritorial organizations and bodies
- Human health