The first locomotives have been confirmed for The Greatest Gathering, set to be held at Derby Litchurch Lane in August.
- Alstom
- Avanti West Coast
- Class 37
- Class 50
- Class 507 Preservation Society
- Class 57
- Class 66
- Class 69
- Class 69 No. 69004
- Class 701
- Class 720
- Defiance
- Derby
- Direct Rail Services
- GB Railfreight
- Greater Anglia
- India
- LNER
- Locomotive Services Group
- Mainline Diesel
- Mainline Steam
- Rail News
- Rail Operations Group
- RailAdvent
- Railway Benefit Fund
- Railway Children
- Railway Heritage
- Railway Mission
- Sir Nigel Gresley Locomotive Trust
- South Western Railway
- West Coast Railways