W 2014 roku nowym dostawcą opon został koncern Cooper Tire. thumb|Mark Smith w bolidzie Indy Lights na torze Phoenix International Raceway w 1991 roku
Mistrzowie Sezon Mistrz Zespół Nadwozie CART American Racing Series 1986 Fabrizio Barbazza Arciero Racing March 1987 Didier Theys Truesports March 1988 Jon Beekhuis Enterprise Racing March 1989 Mike Groff Leading Edge Motorsport March 1990 Paul Tracy Landford Racing March CART Firestone/PPG/Dayton Indy Lights Series 1991 Éric Bachelart Landford Racing March 1992 Robbie Buhl Leading Edge Motorsport March 1993 Bryan Herta Tasman Motorsports Lola 1994 Steve Robertson Tasman Motorsports Lola 1995 Greg Moore Forsythe Racing Lola 1996 David Empringham Forsythe Racing Lola 1997 Tony Kanaan Tasman Motorsports Lola 1998 Cristiano da Matta Tasman Motorsports Lola 1999 Oriol Servià Dorricott Racing Lola 2000 Scott Dixon PacWest Lights Lola 2001 Townsend Bell Dorricott Racing Lola IRL Infiniti Pro Series 2002 A.J. Foyt IV A.J. Foyt Enterprises Dallara 2003 Mark Taylor Panther Racing Dallara 2004 Thiago Medeiros Sam Schmidt Motorsports Dallara 2005 Wade Cunningham Brian Stewart Racing Dallara IRL Indy Pro Series 2006 Jay Howard Sam Schmidt Motorsports Dallara 2007 Alex Lloyd Sam Schmidt Motorsports Dallara IRL Firestone Indy Lights 2008 Raphael Matos AGR–AFS Racing Dallara 2009 J.R.