Dinoco is the sponsor associated with the Piston Cup in Pixar’s Cars.
Dinoco is a fictional petroleum company and racing sponsor in the Cars universe. Its blue branding appears on the Piston Cup and is closely associated with the legendary racer The King, whose full name is Strip Weathers. Lightning McQueen also hopes to gain Dinoco sponsorship during the film’s racing season.
The company’s visual identity is inspired by the look of American service stations and fuel brands. Cars uses fictional sponsors to create a believable stock-car racing environment without making real companies part of the story. Other fictional brands include Rust-eze, the sponsor supporting Lightning McQueen, and many advertisements visible around the tracks.
Dinoco also appears in other Pixar films, often as an in-joke or recurring background reference. Its connection to The King can cause confusion because Rust-eze is the brand most directly tied to Lightning McQueen’s career in the first movie. Dinoco remains one of the franchise’s most recognizable fictional companies.