Model Railroad Manufacturers  
  Accurail
http://www.accurail.com/
   
  American Limited Models
http://www.americanlimitedmodels.com/
   
  Athearn
http://www.athearn.com/
   
  Atlas
http://www.atlasrr.com/
   
  Bachmann
http://www.bachmanntrains.com/
   
  Brass Trains
http://www.brasstrains.com/
   
  Bluford Shops
http://www.bluford-shops.com/
   
  Bowser
http://www.bowser-trains.com/
   
  Broadway Limited Imports
http://www.broadway-limited.com/
   
  Caboose Industries
http://www.cabooseind.com/
   
  Campbell Scale Models
http://www.campbellscalemodels.com/
   
  Central Indiana Division, NMRA
http://www.cidnmra.org/
   
  Classic Metal Works
http://www.classicmetalworks.com/
   
  Con-Cor
http://www.con-cor.com/
   
  Digitrax, Inc
http://www.digitrax.com/
   
  Fox Valley Models
http://www.foxvalleymodels.com/
   
  Intermountain
http://www.intermountain-railway.com/
   
  Introduction to Model Railroad Planning
http://www.thespruce.com/introductions-advice-model-railroad-planning-2382035
   
  Kadee Quality Products Co.
http://www.kadee.com/
   
  Lionel
http://www.lionel.com/
   
  Märklin
http://www.marklin.com/
   
  Micro-Mark
http://www.micromark.com/
   
  Microscale, Inc
http://www.microscale.com/
   
  Miniatronics Corp.
http://www.miniatronics.com/
   
  Model Memories, INC
http://www.modelmemories.com/
   
  Model Rectifier Corp.
http://www.modelrectifier.com/
   
  Model RR Warehouse
http://www.mrrwarehouse.com/
   
  MTH
http://www.mthtrains.com/
   
  National Model Railroad Assoc.
http://www.nmra.org/
   
  NCE Corporation
http://www.ncedcc.com/
   
  NJ International
http://www.njinternational.com/
   
  The N Scale Architect
http://www.thenarch.com/
   
  Rapido Trains Inc.
http://www.rapidotrains.com/
   
  Tichy Train Group
http://www.tichytraingroup.com/
   
  Tomar Industries
(Alexander Scale Models)
http://www.tomarindustries.com/
   
  Tru-Color Paint
http://www.trucolorpaint.com/
   
  Walthers
http://www.walthers.com/
   
  Woodland Scenics
http://www.woodlandscenics.com/
   
  1/87 Vehicle Club
http://www.1-87vehicles.org/