Family Owned Since 1960


About Our Shop

Services Overview

From the moment you walk in to LOCKEN OIL you'll feel welcomed. At our shop, convenience store or bulk delivery station you can find great service in a rural setting. We would like you too feel right at home with our business and service is still number one in our book!

What We Offer

LOCKEN OIL has been in business for over 50 years and offers first class service. We are known for our old-school, personal relationships with our customers. Our staff rates number one in integrity and understanding your business. Whether you are large or small we service them all!

Bulk Fuel Delivery
Currently we deliver any amount of fuel or gas to western South Dakota and southwestern North Dakota.  You will find that our price is very competitive and great savings.


Transport Division
are licensed in South Dakota, North Dakota, Wyoming and Montana.  Our tranpsorts can deliver from 7,000 gallons to 16,000 gallon train loads.  Locken Oil's transport drivers are the best in the business!


Convenience Store (Isabel)

Cardtrol (Dupree)
Our Convenience store currently handles Hot Stuff Pizza, Sub Sandwiches, a large variety of Candy and Chips, a very wide selection of refreshments.  We currently take all major credit cards at both locations.


Shop & Equipment Sales.
Currently in our shop we will repair any size tires, sell new tires and service your car or big rig.  We also offer a full line of fuel storage equipment.