2mm Scale Association
3mm Society
https://sites.google.com/site/3mmpublic/
Double O Gauge Association
EM Gauge Society
Great Western Study Group
Historical Model Railway Society
Irish Railway Record Society
LNER Society
LNWR Society
L & Y Society
Midland Railway Society
Missenden Railway Modellers
www.missendenrailwaymodellers.org
S – Scale Society
Scale Seven Society
Scottish Line Societies
G&SWR: www.gswra.org
HR: www.hrsoc.org.uk
Southern Railway Group