UPI Petroleum

About Us

Located in Milbank, SD, UPI Petroleum is a locally owned full service bulk fuel and propane provider that has been serving northeastern South Dakota for more than 30 years. We pride ourselves in keeping our prices low and providing outstanding customer service to the community.

Whether you need your grill propane tank refilled, looking for bait or tackle for your fishing trip, gas and snacks for a road trip, or fuel to heat your home - UPI Petroleum has you covered!

Please call 605-432-5561 or email us for pricing and delivery information.