American Broadcasting Company | Fox Broadcasting Company | Ford Motor Company | The Walt Disney Company | Royal Shakespeare Company | Hudson's Bay Company | East India Company | Dutch East India Company | McKinsey & Company | H. J. Heinz Company | Company | Peninsular and Oriental Steam Navigation Company | company | Bad Company | production company | Three's Company | Shell Oil Company | Goodyear Tire and Rubber Company | Glenn L. Martin Company | The Coca-Cola Company | Southern Pacific Transportation Company | Pullman Company | Marconi Company | Canon (company) | Victor Talking Machine Company | Negro Ensemble Company | Little, Brown and Company | Firestone Tire and Rubber Company | Dole Food Company | North West Company |
Maddison's sponsors include Red Bull, Skullcandy, Swatch, Dunlop Sport, DC Shoe Company, Arnette, KMC, KTM, mophie, Parts Unlimited, Crusty.com, Stomp grip, Cernics, FMF Racing, VP racing fuels, Amerigas, Acerbis, Works Connection, Hammerhead, and Pro Taper.