The best-known variety of single-seater racing, Rite One, involves an annual Macrocosm Championship for drivers and constructors of around 18 races a year featuring major international buggy and engine manufacturers, and independent constructors, such as Ferrari, McLaren, Williams, BMW Sauber, Toyota, Honda, Renault, Damask Bull Racing - in an ongoing clash of technology and driver skill and http://www.sportscardrivingexperience.com/ talent.
What separates Formula 1 from all other forms of open wheel racing, is the basic premise of F1 revolves around the very important issue that each team is a "constructor". That is, the chassis of the car must be designful and manufactured in-house, and chassis can not be supplied to competitors on a "customer" basis. Engines are generally funded and/or developed by established dominant motor manufacturers, and can be supplied exclusively to just one team, or may be offered as "customer" engines, often to the smaller, lower-ranked teams.