Thorntons stores are located in six states: Florida, Illinois, Indiana, Kentucky, Ohio and Tennessee.

In 2016, this platform was expanded in select Chicago metropolitan area stores.

Around the same time frame, Thorntons rolled out Unleaded15 fuel which provides an octane rating of 88 and contains approximately 15% ethanol.

[3] In 2019, Thorntons was acquired by a joint venture between Arclight Capital Partners and BP.

[4] In July 2021, BP agreed terms to acquire ArcLight Capital Partners' shareholding.