Circle K in Fenton is a standalone convenience store and gas station. It offers not only gasoline and diesel fuel but also motor oil and automotive chemicals; there is a car wash on-site as well.
The convenience store offers all manner of refreshments including snack chips and candy, grilled hot dogs, snack cakes, beer, wine, liquor and soft drinks. Circle K also has a line of grocery items that includes soups, salad dressings, pet food, paper products and health and beauty aids.