CountryMark is an American-owned oil exploration, production, refining and marketing company. The company's complete line of premium quality liquid fuels begins with light, sweet crude oil, which is refined to the highest specifications at the CountryMark refinery in Mt. Vernon, Indiana. Fuel quality is protected as it travels north along a 238-mile private pipeline. State-of-the-art blending technology at each CountryMark fuel terminal ensures that biodiesel and ethanol blended fuels are formulated for optimal driving performance and winter operability.

Equaling CountryMark’s fuel quality is the company’s complete line of high quality lubricants, which are sold as CountryMark Advantage Lubricants. CountryMark also carries API-certified TerraCair Diesel Exhaust Fluid (DEF).

CountryMark products are sold in Indiana, Illinois, Michigan, Ohio and Kentucky. Today, there are more than 200 CountryMark branded delivery routes and more than 100 CountryMark-branded fuel stations. More than 65% of farmers and 60% of school corporations in the CountryMark service area are powered by CountryMark fuels.

CountryMark’s upstream business includes an impressive team of petroleum exploration professionals, geologists, production engineers, drilling specialists and reservoir managers. CountryMark’s oil exploration and production group manage 1,400 oil wells in six states producing 3,500 barrels of oil per day.  

Based on 2015 revenues, CountryMark was ranked by the Indianapolis Business Journal as the tenth largest private company with headquarters in Indiana. CountryMark has been a farmer-owned cooperative since 1919 and was recognized in 2012 as the 12th largest ag cooperative in the nation.