In addition to owning the SuperAmerica gas station and convenience store chain, it also owned an oil refinery in St. Paul Park, Minnesota and an interest in a pipeline.

[2] The company was created in 2010 when Acon Investments and TPG Capital acquired $554 million worth of assets from Marathon.

[3] Western Refining acquired a controlling interest in the company in 2013 for $775 million.

[4] By 2015, Western's ownership stake was 38% and it proposed in October to acquire the remainder of the company;[5] it decided to dissolve Northern Tier early by buying all the shares and pay $860 million to close the deal on June 23, 2016.

This article about a company or corporation involved in the energy industry is a stub.