PT Pertamina (Persero) | 2,820,083 followers on LinkedIn. PT Pertamina (Persero) is an Indonesian state-owned enterprise, which is engaged in the integrated energy in Indonesia. Established on December 10, 1957, Pertamina had the experiences in upstream, midstream, downstream and renewable energy sectors for more than 50 years. This is the official LinkedIn Pertamina account and managed by Pertamina.