| [[The Fifty Fund]] || || || Support organisation for Class 50 Alliance.
|-
| [[Somerset & Dorset Loco Company]] || [[BR Class 20 D8059|D8059]], [[BR Class 20 D8188|D8188]], and [[BR Class 20 20177|20177]] || || 20177 being used retained for spares.D8059 and D8188 no longer used by the SVR
|-
| [[50031 Consortium Limited]] || [[BR Class 50 50031 Hood|50031 Hood]] || ||