SuperAmerica was a chain of refined oil stations and convenience stores in the Upper Midwest, based in Woodbury, Minnesota.

SuperAmerica operated stations primarily in Minnesota, but also a number of locations in western Wisconsin and eastern South Dakota.

SuperAmerica stores outside the Upper Midwest were rebranded as Speedway, including briefly in Western Pennsylvania until Marathon decided to withdraw the Speedway brand in this area and sold off the stores in Greater Pittsburgh to independent owners and in at least one case to locally-based GetGo.

[9] In 2013, Western Refining, a Marathon subsidiary, bought a controlling stake in Northern Tier Energy.

Shoppers reported rusting canopies, water damaged ceilings, broken tile floors, and malfunctioning soda machines [citation needed].

As SuperAmerica's primary competitor Holiday Stationstores continually invested in locations (especially after that chain's acquisition by Circle K parent Alimentation Couche-Tard), SA stagnated.

Upon Kwik Trip and Casey's entrance to the local market SA fell further behind [citation needed].

[14] The company also offered its own credit card to reduce cost of gasoline by 5 cents per gallon.