Banlaw Australia 
 BINA PERTIWI Indonesia 
 BP Lubricants USA Inc. United States 
 Calumet SPP LP United States 
 Chevron United States 
 D-A Lubricant Company Inc. United States 
 D-A Lubricant Company Inc. United States 
 Eni.com United States 
 ESOC Commercial Truck Inc. United States 
 Fast Fill Systems United States 
 Fuchs Lubricants Co. United States 
 Fuel Ox United States 
 FUELACTIVE United Kingdom 
 Grady Enterprises Inc United States 
 Intl. Energy Products United States 
 MECLUBE Italy 
 Mobil United States 
 Petro-Canada Lubricants Inc. Canada 
 RES Equipment Sales Canada 
 Reserve Systems Inc. United States 
 Rock-Tech Canada 
 Schaeffer's Specialized Lubricants United States 
 Shell Lubricants United States 
 Spectro Scientific United States