• Benz Oil Inc. (AMSOIL INC.)
• Carborundum Universal Limited (Murugappa Group)
• Castrol Ltd. (BP P.L.C.)
• Cutting & Grinding Fluids Inc.
• EnviroServe Chemicals Inc.
• ETNA Products
Incorporated
• Exxon Mobil Corporation
• FUCHS Petrolub SE
• Lincoln Chemical Corporation
• TotalEnergies SE