Two conventional financial institutions, Bank Negara Indonesia and Bank IFI, have set up Islamic branches.

CNN: Islamic Finance 101

Currently, PT Bank Negara Indonesia is the only Indonesian bank that has a full banking license in Singapore, which allows it to provide personal banking, trade finance and business loans.

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But of those that chose the state banks, most went either to Bank Negara Indonesia or to Bank Rakyat Indonesia: the four banks that now comprise Bank Mandiri received few of the new customers.

ECONOMIST: Indonesian banking