Wolf's Head motor oil company manufactures various weights of motor oil, synthetic oil, and other automotive fluids. The company was founded in Pennsylvania as "Pennsylvania Crude" in 1879. Presently, its company headquarters is in Tampa, Florida. The company slogans are "The Finest Of The Fine Since 1879" and "Run With The Wolf". The oil is marketed as "superior performance, but exceptional value" and has been well respected in the muscle car community. The trademark was originally registered to Pennzoil (now owned by Shell) until at least 2009. The trademark is currently registered to Amalie Oil Company.