12. PT. SARWA SAMBADA KARYA BUMI
13. PT. CARITAS ENERGI INDONESIA
14. PT. BUBUHAN MULTI SEJAHTERA
15. PT. PRIMA COAL SENTOSA
16. PT. BUMI BARA MAKMUR MANDIRI
17. PT. TIGA DAYA ENERGI
18. PT. KURNIA ALAM INVESTAMA
19. PT. TIRTA GRAFITA ISKANDAR
20. PT. DINAR KALIMANTAN COAL
21. PT. KASONGAN MINING MILLS