- Denton Model Railroad
- DFW O Scalers
- East Texas Club
- Lionel Modular Group
- Lockheed Martin
- Lone Star Flyer
- Lone Star Hi-Railers
- Lone Star Region NMRA
- McKinney Ave Trolley
- North Texas Garden
- North Texas NRHS
- North Texas Narrow Gauge
- North Texas NTRAK
- North Texas T Trak
- Red River Railroading
- South Side Railroad Modelers
- Southwest Dallas Modular
- Spring Creek Modular
- Tex-N Modular
- Texas Northern Club
- Texas Outlaws On30
- Texas Western Club
- Trinity NTRAK
- Trinity River Express
- Union Station Club
