Central Product Classification Version 2.1International Standard Industrial Classification of All Economic Activities, Rev.4
CPC v2.1 81221 to ISIC Rev 4
Crosswalk mapping from CPC v2.1 81221 "Applied research services in psychology" to ISIC Rev 4. 1 official equivalence.
CPC v2.1 81221 in ISIC Rev 4
Each entry is an official equivalence edge. Click to see the full ISIC Rev 4 definition, hierarchy, and its own crosswalks.
Reverse direction: ISIC Rev 4 to CPC v2.1
About CPC v2.1 81221
81221 Applied research services in psychology