ABC Gears designs and supplies high quality, efficient gearboxes for the Gauge ‘1’ modeller.

ASTER HOBBY CO., INC (Japan) - Design and Manufacture of G1 live steam locomotives.

Aster Hobbies UK Ltd. - U.K. distributor.

Aster Europa SL - Continental European distributor for Aster models.

Barrett Engineering - Full range of live steam locomotive kits, RTR and accessories in 10mm scale G1.

Brandbright - Established garden railway supplier. Mainly NG, but much of interest to the G1 modeller too.

Brian Jones - Electronics & Kits for G1 Modellers.

Classic Loco - New and used G1 items, plus LNWR coach kits etc.

Cliff Barker - Track & Accessories for G1.

Curvilinear - Signal box kits.

David Leech - Builder of Gauge One passenger stock.

DJB Engineering - Castings, parts and accessories for live steam locomotives.

Doubleheader Productions - Import and sales of G1 locomotives and rolling stock in the USA.

Exclusive Models - G1 & other steam models in the Nederlands.

Finescale Brass - Brass electric locomotives & rolling stock by San Cheng.

Fox Transfers - extensive range of transfers for G1.

Golden Age Models - G1 Pullman cars.

Isinglass - Scale drawings of LNER locomotives and carriages available in 10mm & 1/32.

Iron Road Modelling Services - G1 wagons and lineside range.

J & M Models - British and Continental Carriage Models.

Just the  Ticket - Engineering supplies for G1 and more.

Kirtley Model Buildings - As the title suggests...

Loco-Boxes - Storage & carrying boxes for Gauge1/16mm/G scale size locos.

Maccsteam Ltd - Custom-built copper boilers and fittings for G1 live steam locomotives.

Marcway - Fine G1 hand-constructed pointwork.

Mark Wood - Wheel Castings for Gauge One Model Railways.

Markus Neeser - Fine Gauge 1 Model Engineering Items.

Metalsmith Ltd - Metal-Forming & Work-Holding Tools, G1 Accessories etc.

Milton Locomotive Works - Aster G1 mods & machining services.

Modelbouw Atelier Apeldoorn -  Gauge 1 and G scale live-steam locomotives in the Netherlands.

Model Oil UK - As the name suggests, general lubrication and steam oils. Excellent and friendly service.

Northern Finescale - G1 wagon kits & accessories.

Old Time Workshop - useful range of transfers for G1 models.

Orion Models - G1 live steam models and drawings of GWR inside cylinder 4-4-0 locomotives.

Peter Rogers Models - Bespoke G1 coach building to high standards.

Precision Scale Models (International) Ltd - G1 Models.

Prestige Models - Range of ready to run  Gauge 1 locomotives and coaches, parts & accessories.

Railking.co.uk -  D.P. Associates, Jersey. MTH 1/32 scale Nth American scale locomotives & rolling stock.

Rushford Barn Models - Quality new & used G1 models plus kit building, service and overhaul of locomotives.

RCS - Radio Control Systems for electric & live steam models.

Scalelink - Model figures & accessories inc J&M Carriages.

S M Models - Locomotive & rolling stock kits & wooden carrying boxes.

Slaters Plastikard - G1 locomotive, carriage and wagon wheels (10mm & 1:32), Loco and wagon kits, Plastikard & accessories.

Southern Steam Trains -  Aster locomotives & accessories (SC - USA).

Sunset Valley Railroad - Code 250 rail & track, locomotives, rolling stock & accessories.

Steam & Things - (Australia) Estoteric kits , custom etching, decals, castings etc.

Tenmille Products - Leading manufacturer of track, rolling stock kits etc for G1.

The Gauge One Model Railway Company - RTR live steam & rolling stock.

The Finescale Locomotive Company - High quality G1 locomotives & rolling stock.

The Wagon & Carriage Works - G1 brass kits & more.

TMS Models - G1 locomotives & rolling stock.

Walsall Model Industries - Comprehensive supplier of G1 kits, parts & materials.

WrightWay Rolling Stock  hand crafted coaches for the Gauge 1 enthusiast.

Wyko- Feine Mechanik  Finely-engineered German manufactured live steam locomotives.

3D-Companions - 3D drawings on CDR and affordable coaches.

Charles Simon - The website of Swiss G1MRA member Charles Simon.

Diamondhead Steam Up Page - Homepage of annual Diamondhead Steam-up, Miss. USA.

G1MRA Switzerland - The website of the Swiss G1MRA Group.

Iden Coach House - Paul Abrams' G1 website - great videos of this superb line in Kent.

MainlineThurnby - website of member Trevor Goodman. G1, 'G' scale and G3, all in one!

Pacific Coast Live Steamers - USA  - As the name suggests...

Puget Sound Garden Railway Society

Sidestreet Bannerworks - An excellent site of G1 interest by Marc Horovitz.

Steam in the Garden magazine, dedicated to coverage of the small-scale live steam scene.

Southport Model Engineering Society - Gauge One section.

The G1MRA Yahoo Group - Discussion group for G1MRA members only.

The Titfield Thunderbolt - Simon Castens' website with the focus on G1 1:32nd scale modelling.

Vance Bass - Small scale live steam facts and resources.

Website of the Swiss Group

ALSRM  - The Association of Larger Scale Railway Modellers.

Bekonscot - The famous Bekonscot Model Village with G1 model railway.

Chelmsford Insurance Centre  specialise in insurance for railway modellers and railway exhibitions

EiWi G1 Railway - Switzerland.

FSMR - Friends of Stapleford Miniature Railway.

Gauge One North (Exhibition), Bakewell Agriculture and Business Centre, Haddon Road, Bakewell, Derbyshire, DE45 1AH

MIGO+1  - 7mm and Gauge 1 modern image group.

Steamup.com - 'Steam in the Garden' magazine website.

Spur 1 Group  - G1 enthusiasts group in Germany.

Sutton MES - Sutton Model Engineering Society (inc. G1 group).

Station Colours - A valuable resource for those modelling station buildings in the steam era.

Technik Museum - Sinsheim, Germany.

The Gauge 'O' Guild - All forms of railway modelling in 7mm. scale and on 0 gauge track.

The Gauge 3 Society -  The 2.5" gauge large-scale scenic model railway group.

The G1MRA Web Forum - An independently run G1 web forum for all to view.

The G-Scale Society -  Mainly narrow gauge modelling on G1 45mm track. 

The National 2½ Inch Gauge Association - 2.5"gauge model engineering.

The 16mm Association - Our friends in The Association of 16mm Narrow Gauge Modellers.

The Train Collectors Society - For those interested  in all makes and gauges of toy and model trains.