International Standard Industrial Classification of All Economic Activities, Rev.4Sri Lanka Standard Industrial Classification (ISIC Rev 4 based)
ISIC Rev 4 091 to SLSIC (Sri Lanka)
Crosswalk mapping from ISIC Rev 4 091 "Support activities for petroleum and natural gas extraction" to SLSIC (Sri Lanka). 1 official equivalence.
ISIC Rev 4 091 in SLSIC (Sri Lanka)
Each entry is an official equivalence edge. Click to see the full SLSIC (Sri Lanka) definition, hierarchy, and its own crosswalks.
Reverse direction: SLSIC (Sri Lanka) to ISIC Rev 4
About ISIC Rev 4 091
091 Support activities for petroleum and natural gas extraction