Team Name / Owners Name		Tires/Engine/Chassis	Car#			Driver Name
Sigma Autosport		Bridgestone/Cosworth/DP01		22		Clark Davidson
Owner - Tom Sigma		Bridgestone/Cosworth/DP01		34		Jan Heylen
Dale Coyne Racing		Bridgestone/Cosworth/DP01		19		Bruno Junqueira
Owner - Dale Coyne		Bridgestone/Cosworth/DP01		9		Justin Wilson
Forsythe Championship Racing		Bridgestone/Cosworth/DP01		3		James Hinchcliffe
		Bridgestone/Cosworth/DP01		7		Oriol Servia
Owner - Gerald Forsythe
Minardi Team USA		Bridgestone/Cosworth/DP01		4		Dan Clarke
		Bridgestone/Cosworth/DP01		14		Robert Doornbos
Owner - Paul Stoddart		Bridgestone/Cosworth/DP01		33		Nelson Philippe
MP Racing		Bridgestone/Cosworth/DP01		8		Mark Plourde
Owners - Mark Plourde / Sheri Plourde		Bridgestone/Cosworth/DP01		11		Sheri Plourde
Walker Racing		Bridgestone/Cosworth/DP01		5		Greg Mansell
Owners - Derrick Walker / Craig Gore / John Fish		Bridgestone/Cosworth/DP01		15		Simon Pagenaud
Pacific Coast Motorsports		Bridgestone/Cosworth/DP01		28		Mario Dominguez
Owner - Tyler Tedavic / Tom Figge		Bridgestone/Cosworth/DP01		29		Alex Figge
RuSPORT Racing Owner - Carl Russo		Bridgestone/Cosworth/DP01		42		Matt Halliday
Rocketsports Racing		Bridgestone/Cosworth/DP01		36		Enrique Bernoldi
Owner - Paul Gentilozzi		Bridgestone/Cosworth/DP01		10		Antonio Pizzonia
Newman/Haas/Lanigan Racing		Bridgestone/Cosworth/DP01		6		John Edwards

Owner - Paul Newman / Carl Haas / Mike Lanigan