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Adjacent Line Societies
Caledonian Railway Association
Glasgow & South Western Railway Associaton
Lancashire & Yorkshire Railway Society
London & North Western Railway Society
Midland Railway Society
North British Railway Study Group
North Eastern Railway Association

Cumbrian Heritage Railways and Preservation Groups
Eden Valley Railway
Furness Railway Trust
Lakeside & Haverthwaite Railway
Ravenglass & Eskdale Railway
Ravenglass & Eskdale Railway Preservation Society
South Tynedale Railway
Stainmore Railway Company
Workington Transport Heritage

Other Cumbrian Historical Societies and Organisations:
Cumberland & Westmorland Antiquarian & Archaeology Society
Cumbria Industrial History Society
Cumbria Local History Federation
Cumbria Family History Society
Friends of Cumbria Archives
Friends of Engine Lonning

Cumbrian Record Offices, Museums and Libraries:
The Beacon, Whitehaven
Cumbria County Record Offices
Kendal RO & for C.R.A. archive collection
Dock Museum, Barrow
Haig Pit Museum
Threlkeld Quarry & Mining Museum
Tullie House, Carlisle

Cumbrian-based Railway and Modelling Societies:
Carlisle & District 'O' Gauge Group
Derwent Railway Society (West Cumbria)
Furness Model Railway Club
Kendal Model Railway Club
Railway Correspondence & Travel Society (Furness Lakes & Lune branch)
Stephenson Locomotive Society (South Lakeland branch)

Other selected Cumbrian rail and industry-related websites:
National Railway Museum
Carnforth Station Visitor Centre
Cumbria Railways
Departure Lounge (West Cumberland Iron & Steel industry)
Grace's Guide - source of historical information on industry and manufacturing in Britain
Keswick to Penrith Railway Re-opening
Northern Viaduct Trust
Signalling Record Society
The Engineer - bound volumes
Windermere Lake Steamers - a history
Scott Willison's epic "Round the north we go" Northern Rail Blog

Some of the main players in the current Cumbrian rail scene:
Direct Rail Services
Stobart Rail
Story Contracting
Transpennine Express
Virgin West Coast
West Coast Railways