| Builder | Products | Notes | |
|---|---|---|---|
| NER | North Eastern Railway | Rail | This is one of the mainline railway companies that was formed from some of the companies that operated into Leeds from both the north and east of the city. Some locos were built in the sheds at Leeds (Holbeck) before there was a dedicated workshop.
|
Books
Note - there might be a few builders in this list that are not in Leeds as they built Leeds designed locos as sub contractors.