The following Companies are shareholders in Autovia Padana SpA:
- SATAP S.p.A. (ASTM Group) 50.9%
- ARDIAN Group 49.0%
- ITINERA S.p.A. 0,1%
The ASTM Group also manages the following motorway Concessionaire Companies:
- Società Autostrada Ligure Toscana – SALT p.A.
- Autostrada dei Fiori S.p.A. – AdF S.p.A.
- Autostrada Torino-Milano e Autostrada Torino-Piacenza – SATAP S.p.A.
- Società Autostrade Valdostane – SAV S.p.A.
- Autostrada Torino-Ivrea-Valle d’Aosta – ATIVA S.p.A.