| 3510005 | Power Generation Facilities & Distribution Systems Operation & Maintenance | Power generation and transimission | Professional | |
| 3821002 | Production of Waste-Derived Fuel | Power generation and transimission | Industrial | |
| 4661006 | Fuel Distribution | Fuel Supply | Commercial | |
| 4661010 | Fuel Supply Services | Fuel Supply | Professional | |
| 4661104 | Jet Fuel Supply Services | Fuel Supply | Professional | |
| 4730001 | Gas Station | Filling station | Commercial | |
| 4730003 | On-demand Fuel Delivery Services | Fuel Supply | Commercial | |
| 4730004 | Diesel Fuel Transport & Distribution | Fuel Supply | Professional | |
| 5221012 | Electric Vehicles Charging Stations Management & Operation | Fuel Supply | Commercial | |
| 7110404 | Oil & Natural Gas Exploration Consultancies | Consultancy -C- Petrol and Water | Professional | |
| 7110405 | Mines, Mining & Geological Engineering Consultancies | Consultancy -C- Petrol and Water | Professional | |
| 7110406 | Chemical & Oil Engineering Consultancies | Consultancy -C- Petrol and Water | Professional | |
| 7110408 | Mining, Oil & Water Geological Engineering Services | Consultancy -C- Petrol and Water | Professional | |
| 7110409 | Oil Exploration Engineering Services | Consultancy -C- Petrol and Water | Professional | |
| 7110410 | Oil & Gas Process Engineering Services | Consultancy -C- Petrol and Water | Professional | |
| 7110411 | Oil & Gas Electrical Works Engineering Services | Consultancy -C- Petrol and Water | Professional | |
| 7110412 | Oil & Gas Instrumentation & Control Engineering Services | Consultancy -C- Petrol and Water | Professional | |
| 7110413 | Oil & Gas Civil & Structural Engineering Services | Consultancy -C- Petrol and Water | Professional | |
| 7110930 | Mining & Mines Equipment Engineering Services | Consultancy -C- Petrol and Water | Professional | |
| 7110931 | Geophysical, Geochemical & Geomechanical Engineering Services | Consultancy -C- Petrol and Water | Professional | |
