| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| WALKER | 20413 | Direct Cross Interchange | 14 |
| AS | 43057 | Direct Cross Interchange | 13 |
| IMASAF | 393133 | Direct Cross Interchange | 10 |
| MTS | 043150 | Direct Cross Interchange | 9 |
| HJS | 90325736 | Direct Cross Interchange | 8 |
| SIGAM | 11302 | Direct Cross Interchange | 7 |
| KLARIUS | 311521 | Direct Cross Interchange | 7 |
| BM CATALYSTS | BM91095 | Direct Cross Interchange | 7 |
| FONOS | 20413 | Direct Cross Interchange | 7 |
| QUINTON HAZELL | 311521 | Direct Cross Interchange | 7 |
| ASSO | 120033 | Direct Cross Interchange | 6 |
| EEC | FI8012 | Direct Cross Interchange | 5 |
| KLARIUS | 370233 | Direct Cross Interchange | 5 |
| QUINTON HAZELL | 370233 | Direct Cross Interchange | 5 |
| EEC | FI8012T | Direct Cross Interchange | 4 |
| MAGNAFLOW | 81824 | Direct Cross Interchange | 3 |
| MAGNAFLOW | K151 | Direct Cross Interchange | 2 |
| BOSAL | 099072 | Indirect Cross Interchange | 12 |
| FIAT | 50012386 | Indirect Cross Interchange | 11 |
| INNOCENTI | 7720160 | Indirect Cross Interchange | 9 |
| VENEPORTE | FA25302K | Indirect Cross Interchange | 7 |
| INNOCENTI | 50012386 | Indirect Cross Interchange | 7 |
| BOSAL | 098072 | Indirect Cross Interchange | 6 |
| GAT EUROKAT | 01007 | Indirect Cross Interchange | 4 |
| ALFAROME/FIAT/LANCI | 7720160 | Indirect Cross Interchange | 4 |
| FIAT / LANCIA | 7720160 | Indirect Cross Interchange | 4 |
| ASSO | 180002 | Indirect Cross Interchange | 3 |
| AS | AS43057 | Indirect Cross Interchange | 2 |
| FABRISCAPE | AS43057C | Indirect Cross Interchange | 2 |
| FABRISCAPE | A843057C | Indirect Cross Interchange | 2 |
| MIVV | RC21509080 | Indirect Cross Interchange | 2 |
| BOSAL | 99072 | Indirect Cross Interchange | 2 |
| BOSAL | 98072 | Indirect Cross Interchange | 2 |
| MTS | 43150 | Indirect Cross Interchange | 1 |
| MTS | 0431500 | Indirect Cross Interchange | 1 |
| TIMAX | NOCAT | Indirect Cross Interchange | 1 |
| ROSI | 311521 | Indirect Cross Interchange | 1 |
| FONOS | NOCAT | Indirect Cross Interchange | 1 |
| CISAM | 298477 | Indirect Cross Interchange | 1 |
| FUELPARTS | AS43057 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 7720160 | Indirect Cross Interchange | 1 |
| AUTOBIANCHI | 50012386 | Indirect Cross Interchange | 1 |
| ANSA | NOCAT | Indirect Cross Interchange | 1 |
| MIVV | 2150908 | Indirect Cross Interchange | 1 |
| ZARA | 2038 | Indirect Cross Interchange | 1 |
| WALKER | 18384 | Indirect Cross Interchange | 1 |