Cooperative Energy Company is the fuel leader in service and quality in Northwest Iowa and Southwest Minnesota with high quality Cenex® Fuels available at 12 pump locations, as well as a large service and delivery coverage area.

Fuel Delivery and Service Contacts
Kevin Ommen 712-461-0828
Sibley, IA & Surrounding areas
Doug Dekkenga 712-461-1885
Ocheyedan, IA & Surrounding areas
Jason Nissen 712-260-5897
Spencer, IA & Surrounding areas
Scott Tunink 712-260-5695
Spencer, IA & Surrounding areas
Roger DeBey 605-595-2894
Rock Rapids, IA & Surrounding areas
Steve Steensma 507-360-4029
Hills, MN & Surrounding areas
Mike Folkers 507-360-5028
Worthington, MN & Surrounding areas
Stocked fuel tank options
- 2000 gallon
- 1000 gallon
- Additional tank sizes available via special order

Announcing newly enhanced Cenex Ruby Fieldmaster® Soy-Enhanced Premium Diesel Fuel – containing a special additive to meet the needs of today’s engine technologies.
In engines designed to meet new Environmental Protection Agency emission standards, increased pressure and temperatures can literally “cook” typical #2 diesel fuel, resulting in injector/filter problems, reduced efficiency and costly repairs. We are proud to offer a premium fuel that helps alleviate this problem, often experienced in modernized diesel engines (2007 models and newer).
Ruby Fieldmaster® also optimizes performance and fuel efficiency, while reducing downtime and maintenance costs, in all diesel engines. In fact, no other diesel fuel contains a more complete, balanced and quality additive package.
Compared to typical #2 diesel fuel, Ruby Fieldmaster®:
- Improves fuel economy by as much as 5 percent
- Increases power by up to 4.5 percent
- Boosts lubricity by 10-15 percent
- Extends life of injectors/injector pumps
- Reduces maintenance costs
- Has a higher cetane number (typically 48)
- Helps prevent fouling issues (in 2007 and newer engines)
Cenex Roadmaster XL® Premium Highway Diesel Fuel contains a special additive to meet the tough demands of today’s engine technology.
In engines designed to meet new Environmental Protection Agency emission standards, increased pressure and temperatures can literally “cook” typical #2 diesel fuel, resulting in injector/filter problems, reduced efficiency and costly repairs. We are proud to offer a premium fuel that helps alleviate this problem experienced in modernized diesel engines (2007 models and newer).
Cenex Roadmaster XL® is also designed to optimize performance and reduce downtime in all diesel engines. In fact, no other diesel fuel contains a more complete, balanced and quality additive package.
Compared to typical #2 diesel fuel, Cenex Roadmaster XL®:
- Improves fuel economy by as much as 5 percent
- Increases power by up to 4.5 percent
- Boosts lubricity by 10-15 percent
- Extends life of injectors/injector pumps
- Lowers maintenance costs
- Has a higher cetane number (typically 48)
- Helps prevent fouling issues (in 2007 and newer engines)
Cenex Wintermaster® Winterized Premium Diesel Fuel
Developed for customers in extremely cold climates.
Specially formulated to keep diesel-powered equipment going strong in severely cold conditions.
Wintermaster® provides operability in temperatures as low as –30° F while optimizing power and engine performance.
Count on Cenex Wintermaster® to deliver:
- Advanced performance and extreme low-temperature operability, as low as –30° F.
- De-icers and demulsifiers to reduce moisture related problems
- Up to 5% improved fuel efficiency than standard winterized fuels*
- High cetane for quicker, more fuel efficient starts
- Superior protection for vital engine parts
- Reduced downtime and maintenance costs
Certified Energy Specialists
Reach out to a Certified Energy Specialist to build a plan to suit your needs.
Sales Team Leader
Randy Bos 712-400-8216
Iowa
Tony Van Lith 712-260-5434
IA/MN
Jessica Williams 712-720-0008