| DRILCHEM MIDDLE EAST FZC |
| DRILCO PARTS EXPRESS (FTZ) |
| DRILCO WATER WELL DRILLING L.L.C |
| DRILCO WATER WELL DRILLING L.L.C |
| DRILCO WATER WELLS DRILING |
| DRILCO WATER WELLS DRILING-Branch 1 |
| DRILLCON INTERNATIONAL L L C - DUBAI BRANCH |
| DRILLIND & GROUTING SERVICES. L.L.C - SHJ. BR |
| DRILLIND & GROUTING SERVICES. L.L.C - SHJ. BR - WAREHOUSE 1 |
| DRILLING AND MINING SERVICES LTD |
