- The Indonesian government has been hard at work on regulatory and legal reforms to make the country more attractive to foreign investment, which plays an important role in the Indonesian economy. Indonesia is a producer and exporter of oil and gas, various mining products such as nickel, coal and tin, as well as agricultural and fishery products. Local and international banks and other non-banking financial institutions are the main source of funds in Indonesia. https://www.confiduss.com/en/info/blog/article/business-structures-indonesia/