The Continental Railway Circle (CRC)
For enthusiasts interested in railways outside the British Isles, providing Worldwide news, and with meetings is Stafford and London

The Enfield Transport Circle
A friendly group of North London, Hertfordshire, and Essex based, transport enthusiasts, who have been meeting on a monthly basis (in various incarnations) - since 1971.

The Railway Correspondence & Travel Society (RCTS)
One of Britain’s leading organisations for people interested in all aspects of railways past, present and future, it is highly regarded by both professional railway people and enthusiasts, a position it has held since its formation in 1928.

The Stephenson Locomotive Society (SLS)
Covering the history and operation of railways and traction worldwide, since 1909