Lubricating Oil Manufacturers
| Aerospace Lubricants Inc (Columbus, OH) |
| Amalie Oil Co (Tampa, FL) |
| Anchor Chemical Co (Westlake, OH) |
| Bostik Inc (Marshall, MI) |
| Castrol Heavy Duty Lubricants (Warminster, PA)
Manufacturer |
| Castrol Industrial North Amer (Downers Grove, IL) |
| Cenex (Kenton, OH) |
| CHEMTOOL Incorporated (Crystal Lake, IL) |
| Dow Corning Corp (Midland, MI) |
| Dylon Industries Inc (Brooklyn, OH) |
| Edrich Products Inc (Fraser, MI) |
| Illinois Oil Products Inc (Rock Island, IL) |
| Master Chemical (Perrysburg, OH) |
| Mc Gee Industries Inc (Aston, PA) |
| Permawick Co (Bingham Farms, MI) |
| Pitt Penn Oil Co (Creighton, PA) |
| Quantum Marketing Inc (Lakeland, FL) |
| Renite Co (Gahanna, OH) |
| Safety-Kleen Systems Inc (Heath, OH) |
| Sil-Tech Corp (Tecumseh, MI) |
| Specialty Lubricants Corp (Twinsburg, OH) |
| Steward Enterprise Inc (Appleton, WI)
Manufacturer, Distributor |
| United Lubricants Corp (Middletown, OH) |
| Valvoline Co (Willow Springs, IL) |
| Ventco Inc (Middlefield, OH) |
