Texas
- AustNtrak - N-scale in Austin, TX
- Denton Area Model Railroad Club (DAMRRC)
- Houston Area T-TRAK Association
- Lubbock Model Railroad Association
- NASA Area N-Scale Operating Society
- New Braunfels Railroad Museum
- North Texas T-TRAK Modular Railroad Club
- Northwest Crossing Model Railroad Club
- Rio Grande Valley T-Trak
- SANTRAK (San Antonio N-Trak Association)
- Smith County Texas N Scale Club
- SouthwestTrakers
- The Dogwood Heritage Rail Gang