ISIC REV. 4 · SECTION O
Public administration
Activity scope
Public administration and defence; compulsory social security
This activity belongs to Public administration. 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.