Bay Area Garden Railway Society
Cedar Valley Garden Railway Society
Central California Coast Garden Railroad Society
Columbus Garden Railway Society
Crossville Model Railroad Club
Friends & Family Lines Railroad, A Gauge 1 Modular Train Club
Gold Coast Garden Railway Society
Houston Area “G” Gaugers Model Railroad Club
Indiana Large Scale Railroaders
Kenosha Garden Railroad Society
Las Vegas Garden Railway Society
LGB Model Railroad Club of Chicago
Miami Valley Garden Railway Society
Nashville Garden Railway Society
New Hampshire Garden Railway Society
North American Rock Garden Society
North Texas Garden Railroad Club
Northern Colorado Garden Railroaders
Northern Arkansas Garden Railway Society
Pittsburgh Garden Railway Society
Rose City Garden Railway Society
Sacramento Valley Garden Railway Society
San Antonio Garden Railway Society
South Jersey Garden Railroad Society
Susquehanna Valley Garden Railway Society