Infineum International is a company engaged in the formulation, manufacturing, and marketing of petroleum additives for lubricants and fuels. It specializes in shear modification, cold flow and wax crystal modification, anti-wear and detergency, modification of flow properties, stabilizing carbonaceous and metal particles, and other areas. The company offers products used in automotive, heavy-duty diesel, and marine engine oils, diesel fuels, gas engine oils, etc. Infineum was formed as a joint venture of ExxonMobil and Shell.