Also included in acesa are the shareholdings in the following concession operators:
| aucat | 100% |
|---|---|
| Túnel del Cadí | 37,19% |
| Autema | 23,72% |
The shareholdings in Argentina's GCO (Grupo Concesionario del Oeste, 48.6%) are abertis Infraestructuras' most significant stakes in the motorway industry.