| 75020 | Extraction and processing of petroleum and natural gas |
| 75040 | Crude petroleum |
| 75060 | Natural gas |
| 75080 | Petroleum products in general |
| 75100 | Lubricants,industrial oils and related products |
| 75120 | Hydraulic fluids |
| 75140 | Waxes, bituminos materials and other petroleum products |
| 75160 | Fuels |
| 75180 | Equipment for petroleum and natural gas industries |
| 75200 | Petroleum products and natural gas handling equipment |
