Prepare a complete overview about manufacturers of railway wheelset components

We would like to get a complete overview about manufacturers of railway wheelset components (wheels, axles).
(https://en.wikipedia.org/wiki/Train_wheel#/media/File:Rollingstock_axle.jpg).
Main data required:
- Company name
- Country
- Company brief introduction
- Yearly capacities
- List of main main products
- Relevant Standards
- List of European references