Tri-County Oil Association has been serving rural Minnesota for decades, providing dependable energy solutions to the families, farms, and businesses that keep our communities strong. What started as a small local cooperative has grown into a trusted provider of fuel, propane, and lubricants, all backed by a commitment to honest service and hometown values.
At Tri-County, we believe we’re more than just a place to fill your tank—we’re part of the community. From homemade dinners served in our stores to the smell of smoked barbecue on a summer evening, our team takes pride in offering more than convenience. We’re a place where neighbors catch up, families stop in, and members know they’ll be greeted with a friendly smile.
Looking ahead, we remain committed to delivering trusted Cenex® energy products while strengthening the hometown experience our members love. By blending reliability with a personal touch, Tri-County Oil Association is building a future rooted in service, community, and tradition.
At breaking down harmful engine deposits1
When it matters most2
When every dollar counts2
In cleaning up and removing injector deposits and preventing further buildup in dirty equipment1
Fuel storage life than typical #2
Looking for an affordable, reliable energy source? Propane is a clean-burning fuel ideal for heating, cooking, hot water, and backup power—perfect for rural homes, farms, and small businesses.
💡 Why Choose Propane?
Lower emissions than oil or gasoline
Highly efficient energy source
Works during power outages
Safe and versatile—use it indoors and out!
🚚 We Deliver – In Bulk!
As a member of our oil co-op, you get competitive pricing on bulk propane deliveries—straight to your tank, when you need it. No middlemen, no hassle.
👥 Member-Owned, Community-Focused
Your energy dollars stay local, supporting neighbors and building energy independence for our region.
Cenex lubricants deliver superior protection and performance for engines and equipment. Formulated with advanced additives, they help reduce wear and extend equipment life.
Tri County Co-op has DEF available at the pump for quick, convenient access. Save time and stay compliant by filling up your diesel equipment or vehicles right here.
To keep newer, high-precision engines clean and help older engines perform at their best, regardless of make or model.
By 7/10 of the top automakers.
With improved fuel economy, better drivability, optimal injector performance and lower emissions.
Of Cenex gasoline across all octanes and you won’t pay more at the pump.
In four rigorous tests to exceed EPA detergent requirements.
Versus regular gasoline, with superior additives that remove deposits and clean dirty intake valves and direct injection systems.
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