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NO, we used to blend oils for Mobil, Castrol, Valvoline and Quaker State...but they all but resolved any contract packaging agreements they all had with other companies to better control quality.
However, we still use their additives. We also use, Shell/Pennzoil additives, Exxon and Lubrizol.
That's where the $$$ is spent in the oil business...there arent very many additive producing companies in North America, so when a company like Lubrizol has down time, nearly every oil company suffers...when additive companies raise additive costs, every oil company raises their costs...
We also blend Shell Rotella for SOPUS
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