PT Mutiara Bara Sakti (MBS) is an Indonesian coal mining and trading company based in Samarinda, East Kalimantan.

Established in 2012, MBS as a registered coal exporter also holds a Coal Transportation and Sales License.

Other than coal trading, MBS also provides mining services through both of its subsidiaries:

PT Mutiara Bara Sakti Mining Services

PT Danadyaksa Sada Jiwa Energy