Modelling 3 Foot Narrow Gauge on HO Track - shows what can be done for US slim gauge railroads in 5.5mm scale using commercially available models as a basis. A must for anyone with Bachmann 0n30.
Blackham Transfers - has an enormous catalogue of transfers covering both narrow gauge and standard gauge railways and specialises in 5.5mm scale.
C-A-Solutions - website design and maintenance.
Chris Ward 3D Printing - 3D printed locomotives and rolling stock.
Facebook Group - 5.5mm railway modellers group on Facebook.
Narrow Gauge & Industrial Railway Modelling Review - the UK's premier narrow gauge modelling magazine, published four times a year.
NGRM Online - an online forum for narrow gauge modellers in all scales and gauges.
Narrow Gauge Railway Society - for all real narrow gauge railways.
Narrow Gauge Railways UK - a list of all narrow gauge and miniature railways in the UK and Ireland.
Peco Model Railway Products - make 12mm gauge track and points suitable for 5.5mm scale.
Tebee Models - produce 3D printed 5.5mm scale models for 9mm, 12mm and 16.5mm gauges.
Worsley Works - make 'scratch aids'. These are brass etchings which make up into the shell of a model. No castings or non-etchable detail is provided, these must be added by the builder. Worsley Works produces items in many scales including 5.5mm.
Virtual Narrow Gauge Model Railway Exhibition - narrow gauge model railways in all scales and gauges.