The peers include: commercial banks, policy banks, credit cooperatives and other banking institutions, as well as non-bank financial institutions such as securities companies (including exchanges, securities companies, fund companies, futures companies and settlement registration institutions), insurance companies (including life insurance, property insurance and reinsurance), trust and investment companies, financial leasing companies (including car rental), finance companies and pawn shops.

Therefore, deposits of insurance companies are regarded as interbank deposits.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.