West Somerset Steam Railway Trust
LNER Coach Association
Bingham Model Railway Club – near Nottingham, for design, building and operating model railways
Hoddesdon Model & Railway Club – in Hertfordshire for all modelmakers
Swindon Model Railway Club – building & operating model railways since 1953
Clay Cross Model Railway Society – Charitable Trust showcasing East Midland railway heritage
Heywood Model Railway Group – modelling in N gauge and up to G scale
Dorking & District MRC – all things railways & modelling, particularly BR Southern region
Bambrick Studio – model railway scenic dioramas & landscape backscenes expert and author of the acclaimed ‘Creating a Backscene’ 
Welsh Railways Research Circle – for researchers & modellers interested in all aspects of Welsh railways
GWR Modelling – comprehensive reference site on all aspects of GWR
Scalefour Society – for 4mm finescale railway modelling
S Scale Model Railway Society – railway modelling in 1:64 scale
Gainsborough MRS – features one of the largest O gauge layouts
Heritage Railways Map – comprehensive guide to British heritage railways
Bulleid Society – owner of West Country class loco No. 21C123 Blackmoor Vale, Adams B4 class loco No. 96 Normandy and coach No. 5768
Heather Kay Professional Modelmaker – commissioned models specialising in coaches and rolling stock
Association of 16mm Narrow Gauge Modellers – helping modellers for 40 years, particularly for garden railways
Alsager Railway Association – based in Cheshire the club helps to promote railway modelling, photography, preservation and research
Lee Marsh Model Company – producer of fully researched museum quality, finescale 0 gauge model locomotives
Martin Loader – railway photography spanning more than forty years
Steam Index – steam railway resource
Steam Train Photographs – steam railway and wildlife photography