ISIC REV. 4 · DIVISION 36
Water supply
Activity scope
Water collection, treatment and supply
This activity belongs to Water & environmental services / Water supply. The classification describes economic activities; company inclusion still requires a qualifying business record.
Browse Water supply companiesExplore activity groups
Related activities in this branch
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.