| Factory | Number | Cross Interchange Type | Relevance |
|---|---|---|---|
| MELLING | M29 | Direct Cross Interchange | 1 |
| ELGIN | EM29 | Indirect Cross Interchange | 1 |
| DYNAGEAR | DM29 | Indirect Cross Interchange | 1 |
| PERFECT CIRCLE | 6011060 | Indirect Cross Interchange | 1 |
| BALKAMP | 6011060 | Indirect Cross Interchange | 1 |
| FEDERATED | DM29 | Indirect Cross Interchange | 1 |
| GM | 3702363 | Indirect Cross Interchange | 1 |
| SEALED POWER | 2244142 | Indirect Cross Interchange | 1 |
| PIONEER | OP29 | Indirect Cross Interchange | 1 |