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