An energy company

driven by fueling you.

CountryMark finds and refines American oil, transforming it into the highest quality fuels and lubricants in the Midwest.

Oils, fluids and grease.

All for the long haul.

Thinking about how we can extend the life of your hardworking engines
is why we get up in the morning.

Our refinery produces

more than fine fuels.

We’re proud of our Mt. Vernon, Indiana, refinery. It’s a state-of-the-art
source of domestic energy, security and jobs.

Top it off with

top-tier gasoline.

Fewer engine deposits, increased vehicle performance, and
improved fuel economy. Not to mention fewer emissions.

Liquid Fuels

Powering fleets, farms and families.

The quality of what goes into the tank results from what goes into the production. Every mile of the way, from the wellhead to your engine, CountryMark maintains the highest levels of integrity in making fuels that meet a range of on- and off-road demands. Premium diesel. PLUS GasolineTM. Renewable Diesel and more. See what sets us apart.

AdvantageTM Lubricants

Extending engine lives and investments.

CountryMark customers don’t consider our Advantage Lubricants as consumable products, but as part of their strategy for protecting and prolonging the service life of high-value equipment. That’s because we’ve poured six decades-plus into formulating multiple lubricants that are better for engines, not to mention bottom lines. Explore your options.

Let’s find what you’re looking for.

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