E.I.P., S.A. has the following fixed premises in Portugal:
Headquarters – Central Offices
Edifício E.I.P. – Av. Duque de Loulé, n.º 110
Lisboa
Manufacturing Plants:
| Structures for Overhead Lines and Substations | Zona Industrial da Adua Montemor-o-Novo |
Main Yards
| Main Yard- HV/VHV Overhead Lines and Substations and Systems | Zona Industrial da Adua Montemor-o-Novo |
| Main Yard – Live Maintenance Services and Distribution Grids | Zona Industrial de Adua Montemor-o-Novo |
| Main Yard – Railways Electrification | Zona Industrial da Adua Montemor-o-Novo |
Training Centers
| Education and Training Park – VHV/HV/MV/LV Overhead Lines and Underground Grids | Zona Industrial de Adua Montemor-o-Novo |
| Catenary Training Center | Estação de Caminhos de Ferro do Poceirão Av. de Palmela Poceirão |
