TOP TIER™ Detergent Gasoline and Diesel Fuel Licensed Brands
Additional brands are added to the TOP TIER™ licensed list as they meet the standards.

Check back in the near future to search for locations selling TOP TIER™ near you.

Gasoline and diesel retailers selling the licensed brands listed below must meet the high standards of TOP TIER™ Detergent Gasoline and TOP TIER™ Diesel Fuel.

Gasoline: All grades of gasoline sold under the licensed brands listed below must meet the high standards of TOP TIER™ Detergent Gasoline. 

Diesel: Since retailers may also sell non-additized diesel fuel or diesel not meeting the TOP TIER™ requirements, always check the dispenser for TOP TIER™ Diesel Fuel.

Furthermore, all retail locations within the US (including US Territories) and Canada which carry the licensed TOP TIER™ Detergent Gasoline brands shown below and select locations carrying TOP TIER™ Diesel Fuel must meet the high standards of TOP TIER™.

Updated
TOP TIER™ Licensed Retail Brands
76 (USA)
Aloha (USA)
Amoco (USA, Canada)
ARCO (USA, Canada, Mexico)
Beacon (USA, Canada)
BP (USA, Canada)
Break Time (USA)
Cenex (USA)
Chevron (USA, Canada, El Salvador, Guatemala, Honduras, Panama)
CITGO (USA, Canada)
Conoco (USA)
Co-op (Canada)
Co-op Diesel (Canada - select locations only)
Costco Wholesale (USA, Canada, Mexico)
Costco Wholesale - Diesel (USA, Canada - select locations only)
CountryMark (USA)
CountryMark PLUS (USA)
Diamond Shamrock (USA, Canada)
Energy (Mexico)
Esso (Canada)
Express Mart (USA - Wisconsin)
Exxon (USA)
Fast Fuel (USA)
Fast Stop - Diesel (USA - select locations only)
Fast Stop Express - Diesel (USA - select locations only)
G500 (Mexico)
Hele (USA)
HFN - Hawaii Fueling Network (USA)
Holiday (USA, Canada)
Irving Oil (USA, Canada)
Kirkland Signature Gasoline (USA, Canada, Mexico)
Kirkland Signature - Diesel (USA, Canada - select locations only)
Kwik Star (USA, Canada)
Kwik Trip (USA, Canada)
Kwik Trip Express (USA, Canada)
Mahalo (USA)
Marathon (USA)
Metro Petro (USA)
MFA (USA)
Mobil (USA, Canada)
OAAI (USA)
Ohana Fuels (USA)
Petro-Canada (Canada)
Phillips 66 (USA)
PUMA (El Salvador, Guatemala, Panama, Puerto Rico)
QT (USA)
QuikTrip (USA)
Ranger (USA, Canada)
Ranger Mustang (USA, Canada)
Ranger Stallion (USA, Canada)
Ranger Thoroughbred (USA, Canada)
Reeder's (USA)
Shamrock (USA, Canada)
Shell (USA, Canada, Puerto Rico)
Sinclair (USA, Canada)
Sunoco (USA, Canada)
SuperAmerica (USA, Canada)
SuperFuels (USA, Canada)
Tempo (Canada)
Texaco (USA, Canada, El Salvador, Guatemala, Honduras, Panama)
Tri-Par Qwik Stop (USA)
Valero (USA, Canada)
Win Win (USA)