ISIC REV. 4 · SECTION D
Energy & utilities
Activity scope
Electricity, gas, steam and air conditioning supply
This activity belongs to Energy & utilities. The classification describes economic activities; company inclusion still requires a qualifying business record.
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Classification source
United Nations Statistics Division, ISIC Revision 4. Official English structure retrieved October 3, 2026. Broad navigation labels are simplified by COMPANY CORE.
View official classification structureRevision 5 is a separate standard. This directory keeps Revision 4 identifiers for compatibility with its existing records.