promoter and sponsor of motorsports entertainment in the united states we are speedway motorsports inc. speedway motorsports inc. is a leading marketer promoter and sponsor of motorsports entertainment in the united states . the company through its subsidiaries owns and operates the following premier facilities atlanta motor speedway bristol motor speedway charlotte motor speedway kentucky speedway las vegas motor speedway new hampshire motor speedway sonoma raceway and texas motor speedway . the company provides souvenir merchandising services through its smi properties subsidiaries ; manufactures and distributes smaller scale modified racing cars and parts through its u.s. legend cars international subsidiary ; and produces and broadcasts syndicated motorsports programming to radio stations nationwide though its performance racing network subsidiary . 8 premiere facilities atlanta motor speedway bristol motor speedway charlotte motor speedway kentucky speedway las vegas motor speedway new hampshire motor speedway sonoma raceway and texas motor speedway 2016 speedway motorsports inc. http www.speedwaymotorsports.com privacy policy dedicated server provided by hosted solutions smi speedways atlanta motor speedway bristol motor speedway charlotte motor speedway kentucky speedway las vegas motor speedway new hampshire motor speedway sonoma raceway texas motor speedway other properties performance racing network smi properties us legend cars international