| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WALKER | 21632 | Direct Cross Interchange | 19 |
| INNOCENTI | 7727699 | Direct Cross Interchange | 18 |
| MTS | 0169480 | Direct Cross Interchange | 18 |
| FONOS | 610732 | Direct Cross Interchange | 17 |
| ASSO | 187011 | Direct Cross Interchange | 17 |
| INNOCENTI | 7727689 | Direct Cross Interchange | 17 |
| AURADIA | R240470 | Direct Cross Interchange | 16 |
| ANSA | IN1907 | Direct Cross Interchange | 16 |
| TESH | 240470 | Direct Cross Interchange | 16 |
| ROSI | 25926 | Direct Cross Interchange | 15 |
| PEDOL | 012756 | Direct Cross Interchange | 15 |
| RHIAG | CT29976 | Direct Cross Interchange | 15 |
| QUINTON HAZELL | 21632 | Direct Cross Interchange | 15 |
| SIGAM | 30619 | Direct Cross Interchange | 11 |
| KLARIUS | 240470 | Direct Cross Interchange | 9 |
| QUINTON HAZELL | 240470 | Direct Cross Interchange | 6 |
| VENEPORTE | FA25856 | Direct Cross Interchange | 4 |
| INNOCENTI | 50008145 | Direct Cross Interchange | 3 |
| DESCAM | 220406 | Indirect Cross Interchange | 3 |
| TIMAX | IC24E | Indirect Cross Interchange | 2 |
| AUTOBIANCHI | 7727699 | Indirect Cross Interchange | 1 |
| ALFAROME/FIAT/LANCI | 7727699 | Indirect Cross Interchange | 1 |
| ALFAROME/FIAT/LANCI | 7727689 | Indirect Cross Interchange | 1 |
| ALFAROME/FIAT/LANCI | 50008145 | Indirect Cross Interchange | 1 |
| MTS | 69480 | Indirect Cross Interchange | 1 |
| FONOS | NOCAT | Indirect Cross Interchange | 1 |
| CISAM | 194611 | Indirect Cross Interchange | 1 |
| BOSAL | NOCAT | Indirect Cross Interchange | 1 |
| TIMAX | 240470 | Indirect Cross Interchange | 1 |
| ZARA | 223 | Indirect Cross Interchange | 1 |