What corporation based in Superior, Wisconsin sponsored the 2010 AMA Pro Supersport Championship?
Amsoil Amsoil Inc. is an American corporation based in Superior, Wisconsin that primarily formulates and packages synthetic lubricants and filters. The company's advertising slogan is "The First in Synthetics". The company uses multi-level marketing for distribution.
Bavarian Autosport Bavarian Autosport is the trade name of Bavarian Auto Service, Inc., an award-winning mail-order and internet retailer of replacement parts, upgrades and accessories for BMW and MINI automobiles. It has one retail store at its headquarters in Portsmouth, New Hampshire.