| NEWBUILDING AND RETROFIT SERVICES | Maintenance of equipment and machinery for the sector | Joining Technologies | |
| STRUCTURE | Building/manufacturing materials | Non-ferrous and non-alloy materials (plastics, fibres, etc.) | |
| ACCOMMODATION | Elementos de habilitación en general | Thermal, acoustic and fire insulation | |
| SURFACE TREATMENT AND PROTECTION | Workshop primers or pre-treatments | | |
| SURFACE TREATMENT AND PROTECTION | Application and certification of paints | | |
| SURFACE TREATMENT AND PROTECTION | Otros tratamientos | Other materials | |