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.

We offer quality fuels, beverages, foods, store services and other convenience products at fair and competitive prices. Most of our locations are open 24 hours a day to better serve you. Thank you for your business.

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We Offer

  • Snickers
  • Jack Link's
  • Deli Express
  • Old Dutch
  • Ronnoco
  • Coca-Cola
  • Monster Energy
  • Pepsi


8:00 AM-5:00 PM


M.G. Oil Co.
1180 Creek Drive
Rapid City, SD 57703

(605) 342-0527
(605) 341-1899 Fax
(800) 333-5173