Calloway Oil Company offers a variety of solutions when it comes to fuel delivery and will work with you to find the best sol ... ution to fit your needs. We can provide major brands such as Exxon, Mobil, and Gulf, as well as unbranded fuel products. Whether you need assistance with branding, station development, or fuel supply we will work with you to develop the brand and product selection that is right for your business. Calloway Oil Company is proud to support EZ Stop and their 24 family owned and operated convenience stores in East Tennessee. read more