TOP TIER™ Licensing Program

TOP TIER Program
  • Must meet the high standards of the TOP TIER™ Diesel Fuel Performance Standard 
  • Stations must prominently display the TOP TIER™ logo at the dispenser. NOTE: Not all stations of a licensed brand may be selling TOP TIER™ Diesel Fuel. Find more information here.
  • Reduces Injector Deposits
  • Increases Lubricity
  • Improves Fuel Stability
  • Cleaner Diesel Fuel

Co-op (Canada - select locations only)

Costco Wholesale (USA, Canada - select locations only)

Fast Stop (USA - select locations only)

Fast Stop Express (USA - select locations only)

Kirkland Signature (USA, Canada - select locations only)