| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WALKER | 02789 | Direct Cross Interchange | 21 |
| BOSAL | 753829 | Direct Cross Interchange | 20 |
| FIAT | 46479683 | Direct Cross Interchange | 20 |
| ASSO | 241025 | Direct Cross Interchange | 19 |
| FIAT | 46532418 | Direct Cross Interchange | 19 |
| LRT | R7502 | Direct Cross Interchange | 18 |
| ANSA | 301148 | Direct Cross Interchange | 17 |
| TESH | 301148 | Direct Cross Interchange | 17 |
| SIGAM | 16120 | Direct Cross Interchange | 17 |
| VENEPORTE | FA25410 | Direct Cross Interchange | 17 |
| FONOS | 02789 | Direct Cross Interchange | 17 |
| ROSI | 301148 | Direct Cross Interchange | 16 |
| JP GROUP | FI35258 | Direct Cross Interchange | 16 |
| MTS | 0119950 | Direct Cross Interchange | 15 |
| EBERSPACHER | 0349770 | Direct Cross Interchange | 14 |
| KLARIUS | 301148 | Direct Cross Interchange | 13 |
| EBERSPACHER | 0349770 | Direct Cross Interchange | 12 |
| QUINTON HAZELL | 301148 | Direct Cross Interchange | 11 |
| LANCIA | 46532418 | Direct Cross Interchange | 10 |
| LANCIA | 46479683 | Direct Cross Interchange | 9 |
| AUTOBIANCHI | 46532418 | Direct Cross Interchange | 2 |
| AUTOBIANCHI | 46479683 | Direct Cross Interchange | 2 |
| EEC | FI7505 | Indirect Cross Interchange | 5 |
| BM CATALYSTS | BM70191 | Indirect Cross Interchange | 4 |
| TIMAX | 301148 | Indirect Cross Interchange | 4 |
| ALFAROME/FIAT/LANCI | 46479683 | Indirect Cross Interchange | 3 |
| JP GROUP | 3320200600 | Indirect Cross Interchange | 3 |
| DESCAM | 100681 | Indirect Cross Interchange | 3 |
| ALFAROME/FIAT/LANCI | 46532418 | Indirect Cross Interchange | 3 |
| AURADIA | R301148 | Indirect Cross Interchange | 2 |
| PEDOL | 052124 | Indirect Cross Interchange | 2 |
| MIVV | 21983080 | Indirect Cross Interchange | 2 |
| MIVV | 2198308 | Indirect Cross Interchange | 2 |
| WALKER | 2789 | Indirect Cross Interchange | 2 |
| BM CATALYSTS | 70191 | Indirect Cross Interchange | 2 |
| MTA | 555311IX | Indirect Cross Interchange | 2 |
| ARVIN | 301148 | Indirect Cross Interchange | 2 |
| MEFEX | 4132 | Indirect Cross Interchange | 2 |
| FIAT / LANCIA | 46532418 | Indirect Cross Interchange | 2 |
| FIAT / LANCIA | 46479683 | Indirect Cross Interchange | 2 |
| EBERSPACHER | 034977 | Indirect Cross Interchange | 2 |
| MTS | 19950 | Indirect Cross Interchange | 1 |
| LANCIA | 46485153 | Indirect Cross Interchange | 1 |
| ALFAROME/FIAT/LANCI | 71765113 | Indirect Cross Interchange | 1 |
| LANCIA | 46637888 | Indirect Cross Interchange | 1 |
| CISAM | 301101 | Indirect Cross Interchange | 1 |
| ZARA | NOCAT | Indirect Cross Interchange | 1 |
| FIAT | 46637888 | Indirect Cross Interchange | 1 |
| FIAT | 46585153 | Indirect Cross Interchange | 1 |
| FIAT | 46572418 | Indirect Cross Interchange | 1 |