Speedway LLC was created in 1959.
"Speedway SuperAmerica LLC is a gasoline-convenience store company. We operate stores primarily under the Speedway and SuperAmerica brand names. Speedway SuperAmerica LLC is a wholly owned subsidiary of Marathon Oil Corporation." source: http://www.speedway.com/aboutUs/Default.aspx
Seminole Speedway was created in 1945.
Portland Speedway was created in 1924.
Cayuga Speedway was created in 1966.
Speedway - band - was created in 2001.
Islip Speedway was created in 1947.
Owosso Speedway was created in 1939.
Beltsville Speedway was created in 1965.
Elitserien - speedway - was created in 1982.
Nazareth Speedway was created in 1910.
Rally Speedway was created in 1984.
Seekonk Speedway was created in 1946.