Our Premium Energy Solutions are Built for You

Why Tri-County Co-op?

Since 1926, Tri-County Oil Cooperative has been serving our neighbors with reliable fuel, propane, and hometown service. We’re locally owned and deeply rooted in the communities we call home, which means every decision we make is with our members’ best interests in mind. For nearly a century, families, farms, and businesses have trusted us for dependable products, fair pricing, and friendly service you can count on—because here, you’re more than a customer, you’re part of the co-op.

Reliable Propane Solutions

To keep your home, farm, and business running strong:

  • Keep your home heated in Minnesota’s cold winters with our annual residential contracts
  • Propane to power the farm all year long
  • On-site tank installation & maintenance
  • Courtesy equipment inspections

Cenex Fuel drives America's Farms

From the field to the road, our fuels deliver performance you can trust.

Cenex® TOP TIER™ Gasoline

Whether it’s farm or road driving, we’ve got you covered.

Cenex® Premium Diesel

Explore our Bulk Delivery Options:

  • Cenex Roadmaster XL
  • Cenex Ruby Fieldmaster
  • Winterized premium diesel

Lubricants that maximize performance across every application.

Keep your equipment running smooth with our premium lubricants:
  • We stock CHS lubricants private label so you know you’ve got the best available
  • We’re supplied to provide hydraulic fluids, gear oils, grease and diesel engine oils for on-road, off-road and industrial markets.
  • DEF supplier

Welding Gas engineered for safety and productivity.

Fuel your projects with dependable welding gases and supplies.

  • We stock trusted brands so you know you’re getting the highest quality.
  • Our offering includes oxygen, acetylene, argon, CO₂, and mixed gases for agricultural, industrial, and on-site welding needs.
  • Your local source for safe, reliable welding gas solutions.

We've got all
the Extras
to make life even easier

From water softener salts to auto parts (available at select locations), plus a range of convenience store products, we’re here to provide practical solutions with personable service.

  • Water Softener Salt: available at Wheaton, Graceville, and Chokio.
  • Auto Parts, Tires, & Auto Servicing: available at the Chokio location

Get it Delivered.

Propane

A clean, efficient energy solution

🔥 Save More with Propane from Tri County Co-op!

Clean • Efficient • Delivered in Bulk

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.


✅ Ready to Make the Switch or Refill?

Cenex® TOP TIER™ detergent gasoline

Formulated for vehicles, new and old

To keep newer, high-precision engines clean and help older engines perform at their best, regardless of make or model.

Highly recommended

By 7/10 of the top automakers.

Restores engine power

With improved fuel economy, better drivability, optimal injector performance and lower emissions.

Standard in every grade

Of Cenex gasoline across all octanes and you won’t pay more at the pump.

Certified

In four rigorous tests to exceed EPA detergent requirements.

2.5x cleaning power

Versus regular gasoline, with superior additives that remove deposits and clean dirty intake valves and direct injection systems.

The next generation of Cenex® premium diesel fuels

40% more efficient

At breaking down harmful engine deposits1

Restores up to 4.5% more power

When it matters most2

Restores up to 5% better fuel economy

When every dollar counts2

2.5x more effective

In cleaning up and removing injector deposits and preventing further buildup in dirty equipment1

Months longer

Fuel storage life than typical #2

Up to 75% reduced filter blocking2

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Lubricants

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.

Cenex® TOP TIER™ Renewable Fuels

Renewable fuels: ethanol blends

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