Past and present clients include the following companies:
| Company | Location | |
|---|---|---|
 | Puslitbang tekMIRA | Bandung, West Java, Indonesia |
 | Crew Gold Corporation | Mindanao, Philippines |
 | Borneo Indobara | South Kalimantan, Indonesia |
 | Sunshine Indonesia | East Kalimantan, Indonesia |
 | Internasional Prima Coal | East Kalimantan, Indonesia |
| Duta Sarana Internusa | South Sumatra, Indonesia | |
 | IL&FS Maritime Offshore Pte Ltd | South Kalimantan, Indonesia |
 | Kaltim Prima Coal | East Kalimantan, Indonesia |
| Strike Operations Ltd | East Kalimantan, Indonesia | |
 | Transcoal Minergy | South Kalimantan, Indonesia |
 | Semesta Centramas | South Kalimantan, Indonesia |
 | Batavia Prosperindo Energy | East Kalimantan, Indonesia |
 | PNOC Exploration Corporation | Central Kalimantan, Indonesia |
 | Karya Anugrah Kusuma | East Kalimantan, Indonesia |
 | Cosyindo Teknik | Central Kalimantan, Indonesia |
 | Baradinamika Muda Sukses | East Kalimantan, Indonesia |
 | BHP Billiton (Indomet Coal Project) | Central Kalimantan, Indonesia |
 | Orica Mining Services | South Kalimantan, Indonesia |
| Tanata Global Energi | East Kalimantan, Indonesia | |
 | Asmin Koalindo Tuhup | Central Kalimantan, Indonesia |
 | Adaro Explorasi Indonesia | South Kalimantan, Indonesia |
 | Bumi Barito Mineral | Central Kalimantan, Indonesia |
 | Riau Bara Harum | Riau, Sumatra, Indonesia |
 | Manoor Bulatn Lestari | East Kalimantan, Indonesia |
 | Mitrabara Adiperdana | East Kalimantan, Indonesia |
 | Prima Mulia Sarana Sejahtera | South Sumatra, Indonesia |
 | Sinar Peridotindo Utama | South Sumatra, Indonesia |
 | Artha Nusantara Resource | Jambi, Sumatra, Indonesia |
 | Britmindo Mining Services | Sarawak, Malaysia |