African Lubricants Industry
Allegheny Petroleum Products Co.
Amalie Oil Company
American Oil & Supply Company
Amerada Hess
American Refining Group
Amrep Inc.
Amsoil
Anderol
Arizona Chemical
Ausimount USA
Battenfeld-Grease & Oil Corp. of New York
Bel-Ray Company, Inc.
Benz Oil Inc.
BG Products Inc.
Brugarolas S.A.
BVA Oils
Caltex Petroleum Corporation
Calumet Lubricants Co.
CAM2 Oil Products Company
Castrol Heavy Duty Lubricants Inc.
Castrol International
CHEM-ECOL Ltd.
Chemtool Inc.
Chevron Lubricants
Commonwealth Oil
CPI Engineering Services
D-A Lubricant Company
D. A. Stuart Company
Delta Logistics International Inc.
Delkol
Dow Corning
Dupont Krytox Lubricants
Dyson Oil Inc.
Engen Petroleum Ltd.
Etna Products Inc.
Equilon Enterprises LLC
Evergreen Oil
FINKE Mineralölwerk
Finish Line Technologies Inc.
Fuchs Lubricants Co.
G&G Oil Company of Indiana
Gard Corporation
Goldenwest Lubricants Inc.
Goulston
Hangsterfer's Labs
Havoline (Texaco)
Hi-Port Inc.
Houghton International
Hydrotex
Illinois Oil Products Inc.
Ingenieria Salas SA de CV
International Lubricants Inc.
J.D. Streett & Company Inc.
Jenkin-Guerin Inc.
Jesco Resources
Kelsan Lubricants USA LLC
Kendall Motor Oil
Klüber Lubrication North America LP
KOST Group Inc.
Lilyblad Petroleum, Inc.
Liquid Horsepower
Lubrication Engineers, Inc.
Lubriplate Lubricants (Fiske Brothers Refining Co.)
Lyondell
Marly
Maryn International
Master Chemical Corp.
Metalcote/Chemtool Inc.
Metalworking Lubricants Company
Milacron, Inc.
Militec Corp.
Molyduval
Molyslip Atlantic Ltd.
Monroe Fluid Technology Inc.
Motul
Neo Synthetic Oil Co. Inc.
Nye Lubricants
Oil Center Research Inc.
OKS Speciality Lubricants
O'Rourke Petroleum Products
Paramount Products
Pathfinder Lubricants
Pennine Lubricants
Pennzoil
Pennzoil-Quaker State Company
Petro-Blend Corp.
Petro-Canada Lubricants
PetroMoly, Inc.
Pfau's Sons Company Inc.
The Polar Companies
Primrose Oil Co. Inc.
Prolong Super Lubricants
Qatar Lubricants Company LTD
Quaker Chemical Corp.
Quaker State
Red Line Oil
RichardsApex, Inc.
Rocol Ltd.
Royal Lubricants Inc.
Royal Manufacturing Company Inc.
Safety-Kleen Corporation
Schaeffer Mfg. Company
Selco Synthetic Lubricants
SFR Corporation
Shell Lubricants (USA)
Southwestern Petroleum Corp. (SWEPCO)
Topaz Industries
Toyo Grease Manufacturing (M) SND BHD
Tricon Lubricants
Ultrachem
Uniqema
Unist, Inc.
United Lubricants
United Oil Products Ltd.
Universal Lubricants Inc.
Valvoline
Vogel Lubrication System of America
Vulcan Oil & Chemical Products
West Penn Oil Company
Whitemore Manufacturing Co., The
Witco (Crompton Corporation)
Wynn Oil Company
Yuma Industries Inc.
76 Lubricants Company