The lexicon of the top500 ( The Encyclopedia for Classification Codes ) explains the codes and definitions in the world of economical classifications.
ISIC Code J Financial intermediation
The ISIC Code J is described as
Financial intermediation
Description This sector comprises units primarily engaged in financial transactions, i.e. transactions involving the creation, liquidation or change of ownership of financial assets. Also included are insurance and pension funding (division 66) and activities facilitating financial transactions (division 67). Units charged with monetary control, the monetary authorities, are included here.
This sector does not include compulsory social security (see 7530).