| KOPERASI KAKITANGAN PETRONAS BERHAD |
| EXCEL TRAINING & COUNTRY RESORTS SDN BHD |
| KOPETRO CATERING SDN. BHD. |
| KOPETRO FOOD SDN BHD |
| KOPETRO HOTEL & RESORTS SDN BHD |
| KOPETRO MARINE & LOGISTICS SDN. BHD. |
| KOPETRO RETAIL SDN BHD |
| KOPETRO TRADING & SERVICES SDN BHD |
| KOPETRO TRAVEL & TOURS SDN BHD |
| KOPETRO VENTURES SDN BHD |
| TESTING GRN |
| TEST KHR |
| TRAINING KOPETRO FOOD SDN BHD |