| [[The Fifty Fund]] || || || Support organisation for Class 50 Alliance.
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| [[Somerset & Dorset Loco Company]] || [[BR Class 20 D805920177|D805920177]]|| || In June 2017 the Company's locomotives were described as "operational, although no longer used by the SVR" and in September 2017 the Chinnor and Princes Risborough Railway announced then-SVR residents [[BR Class 20 D8188D8059|D8188D8059]], and [[BR Class 20 20177D8188|20177D8188]] || || had joined their fleet. 20177 is retained for spares. D8059 and D8188 no longer used by the SVR
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| [[50031 Consortium Limited]] || [[BR Class 50 50031 Hood|50031 Hood]] || ||