M.G. Oil Company is based in Rapid City, South Dakota. We are directly affiliated with Automatic Vendors, the largest vending company in South Dakota; Corner Pantry, a division of convenience stores throughout South Dakota; and other various businesses in the region.

M.G. Oil Company, Inc. has donated merchandise and services to the organizations that make a difference in YOUR community. Organizations like The Shriners, Post 22 Baseball, United Way, Rapid City YMCA, Muscular Dystrophy Association of Greater South Dakota, Armed Forces Foundation Program Information and Rancher Relief Fund along with many school sponsorships.

​We are South Dakota’s largest provider of video lottery and amusement machines, including dart boards, pool tables, digital jukeboxes, video games and more. We look forward to helping you with your casino and entertainment needs. Please feel free to contact us with any questions you may have.

M.G. Oil Company’s Convenience Store Division operates 20 locations dedicated to being the best at providing excellent customer service.  We value our customers & employees for without them we are not able to grow & prosper.