| Company Name | Type | Status |
|---|---|---|
| Petroland Energy Engineering (Canada) Limited | Private company limited by shares | Live |
| PETROLAND EQUIPMENT & MATERIAL CO., LIMITED | Private company limited by shares | Live |
| PetroLand International Trading Limited | Private company limited by shares | Live |
| PETRO-LAND OILTOOLS LIMITED | Private company limited by shares | Dissolved |
| Petroland Energy Services Limited | Private company limited by shares | Live |