N Crowd - Houston - A Houston-based N Scale model railroad club. - http://www.kingswayrc.com/ncrowd/
Tex-N Modular Railroad Club - Plano, Texas (Dallas area). Information on club activities, and layout pictures. - http://www.tex-n.org/
Lionel Modular Group, Inc - Running 2 "O" Gauge 3 rail mainline tracks and 1 Standard Gauge 3 rail track on one scale mile of track in Plano, Texas. - http://www.lionelmodulargroup.com/
Texas Western Model Railroad Club - HO and HOn3 model railroad club in Ft. Worth, Tx. with 4000 square foot layout, 600 foot main HO, 200 foot HOn3. - http://www.railsusa.com/sites/twmrrc