PT. Bumi Berdikari Sentosa
PT. Sarwa Sambada Karya Bumi
PT. Caritas Energi Indonesia
PT. Bubuhan Multi Sejahtera
PT. Prima Coal Sentosa
PT. Bumi Bara Makmur Mandiri
PT. Tiga Daya Energi
PT. Kurnia Alam Investama
PT. Tirtq Grafita Islandar
PT. Dinar Kalimantan Coal
PT. Kasongan Mining Mills
PT. Argo Makmur
PT. Jambi Suka Batubara
PT. Bangun Energi Indonesia
PT. Tiga Data Energi
PT. Caritas Jaya Perkasa