Amherst Railway Society

Worcester Model Railroaders

North Shore Model Railroad Club

Pepperell Siding Model Railroad Club 

Bay State Model Railroad Museum

South Shore Model Railroad Club

Concord Model Railroad Club

Southern New England Model Railroad Club
(2 Rail O scale)

European train Enthusiasts
Eastern New England Chapter

Great Falls Model Railroad Club 

Mass Bay Railroad 
Enthusiasts

Boston and Maine
Historical Society

Eastern Maine Model
Railroad Club