| 1 Energy sector |
| 2 Production and processing of metals |
| 3 Mineral industry |
| 4 Chemical industry |
| 5 Waste and waste water management |
| 6 Paper and wood production processing |
| 7 Intensive livestock production and aquaculture |
| 8 Animal and vegetable products from the food and beverage sector |
| 9 Other activities |
| EPER 1 Energy Industries |
| EPER 2 Production and processing of metals |
| EPER 3 Mineral Industry |
| EPER 4 Chemical industry |
| EPER 5 Waste management |
| EPER 6 Other industrial activities |
