Indonesian National Oil Company that provided a large amount of revenue to the central government as well as the Indonesian military who ran it.

Pertamina (Perusahaan Tambang Minyak Negara, lit. 'State Oil Company') is an Indonesian government-owned corporation which runs the country oil & gas reserves. It was created in August 1968 by the merger of Pertamin (established 1961) and Permina (established 1957).