About Us

CountryMark is Indiana's only American-owned oil exploration, production, refining and marketing company.
 
CountryMark owns and operates a refinery in Mount Vernon, Indiana; and fuel terminal locations in Mount Vernon, Switz City, Jolietville, and Peru, Indiana, as well as Henderson, Kentucky. Corporate headquarters are located in Indianapolis. Countrymark Energy Resources is the oil exploration and production division of the company, and their offices are located in Evansville, Indiana.
 
Flagship products include Super Dieselex-4 off-road diesel fuel, Premium Diesel-R on-road diesel fuel, PLUS gasoline, and CountryMark Advantage Lubricants.

CountryMark fuels and lubricants are distributed to farms, fleets and families through a network of CountryMark member cooperatives. These cooperatives own and operate 90 CountryMark branded fuel stations and more than 200 fuel and lubricant delivery routes. CountryMark fuels and lubricants can be found in Indiana, Ohio, Michigan, Illinois and Kentucky.
 
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A M E R I C A N    O I L
CountryMark is proud to refine only 100% American crude oil from the Illinois Basin. Click here to learn more about the jobs, economic impact and quality of American crude oil.
 
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