Premium Dieselex-4

Discover why those who hate downtime and demand performance chose to fill up with Premium Dieselex-4, CountryMark’s premium on- and off-road diesel fuel. It’s these four fuel benefits that bring hard-working CountryMark customers all they need to get the job done. Detergency to keep fuel injectors clean and minimize engine maintenance costs. Lubricity for wear […]

Read More…

Safety Data Sheets

Diesel Premium Dieselex-4 Number 2 Diesel ULS K-1 Kerosene Biodiesel B100 Thermalex ULS Gasoline PLUS Gasoline E85 Ethanol Ethanol Other DEF Propane […]

Read More…

Refined Fuels

Order Refined Fuels SynEnergy has a proud history of customer service and reliability in providing quality CountryMark fuels and Lubes to our Farm and Commercial Accounts. The CountryMark Refinery located in Mt. Vernon Indiana processes 30,000 barrels of local crude oil per day, operating 24 hours per day 365 days a year. CountryMark is a […]

Read More…

Want to pay your bill quickly and securely online? Click now and pay...