TOP TIER Detergent Gasoline Retailers
Additional gasoline retailers are added to the TOP TIER list as they meet the standards.

Coming Soon:
Some well-known convenience stores exclusively sell TOP TIER gasoline provided by these Licensees. Check back in the near future to search for TOP TIER locations near you.

Gasoline retailers must meet the high TOP TIER standards with all grades of gasoline to be approved by the automakers as providing TOP TIER Detergent Gasoline.

In addition, all gasoline outlets carrying the brand of the approved retailer must meet the TOP TIER standards.

Additional gasoline retailers are added to the TOP TIER list as they meet the standards. The retailers known to be on the TOP TIER list are shown below.

TOP TIER Licensed Retail Brands
76
Aloha Petroleum
Amoco
ARCO
Beacon
BP
Break Time
Cenex
Chevron
CITGO
Conoco
Co-op
Costco
CountryMark
CountryMark Plus
Diamond Shamrock
Entec
Esso
Express
Exxon
Holiday
Kwik Star Stores
Kwik Trip
Mahalo
MFA
Mobil
Ohana Fuels
Petro-Canada
Phillips 66
PUMA
QT
Quik Trip
Road Ranger
Shamrock
Shell
Shell (Puerto Rico)
Shell V-Power
Shell V-Power NiTRO+
Sinclair
Standard
SuperAmerica
SuperFuels
Tempo
Texaco
Tri-Par
Valero
TOP TIER Licensed Companies
Aloha Petroleum Ltd
BP Products North America Inc.
Chevron Products Co.
CHS Inc.
CITGO
ConocoPhillips
Costco Wholesale Corp.
CountryMark Cooperative LLP
Entec Stations Inc.
ExxonMobil Oil Corp.
Federated Co-operatives Ltd.
Hawaii Petroleum
Holiday Stationstores, Inc.
Imperial Oil Ltd.
Kwik Trip Inc.
MFA Oil Company
Northern Tier Energy, LLC (NTE)
PUMA Energy Caribe, LLC
QuikTrip Corp.
Road Ranger LLC
Shell Oil Products US
Sinclair Oil Corp.
SOL Puerto Rico Ltd
Suncor Energy Inc.
Tesoro Refining & Marketing Co.
Tri-Par Oil Company
U.S. Venture Inc.
Valero Marketing & Supply Co.