| 1 |  Darren Law
David Donohue
Buddy Rice
Antonio García | 2 | | | | | | | | | | | | | | | | | | | | | | | 1 |
| 2 | Scott Pruett
 Memo Rojas
 Juan Pablo Montoya | 7 | | | | | | | | | | | | | | | | | | | | | | | 2 |
| 3 | J. C. France
 João Barbosa
Terry Borcheller
Hurley Haywood | 3 | | | | | | | | | | | | | | | | | | | | | | | 3 |
| 4 |  Wayne Taylor
 Max Angelelli
Brian Frisselle
Pedro Lamy | 6 | | | | | | | | | | | | | | | | | | | | | | | 4 |
| 5 |  Scott Dixon
 Dario Franchitti
Alex Lloyd | 5 | | | | | | | | | | | | | | | | | | | | | | | 5 |
| 6 |  Romain Dumas
 Timo Bernhard
 Ryan Briscoe | 1 | | | | | | | | | | | | | | | | | | | | | | | 6 |
| 7 | Jon Fogarty
Alex Gurney
Jimmy Vasser
Jimmie Johnson | 10 | | | | | | | | | | | | | | | | | | | | | | | 7 |
| 8 | Andy Wallace
Rob Finlay
Danica Patrick
Casey Mears | 16 | | | | | | | | | | | | | | | | | | | | | | | 8 |
| 9 | Justin Marks
Andy Lally
R. J. Valentine
Jörg Bergmeister | | | | | | | | | | | | | | | | | | | | | | | | 9 |
| 9 | Patrick Long | | | | | | | | | | | | | | | | | | | | | | | | 9 |
| 10 |  Richard Lietz | | | | | | | | | | | | | | | | | | | | | | | | 10 |
| 10 | Ted Ballou
Spencer Pumpelly
Tim George Jr.
Emmanuel Collard | | | | | | | | | | | | | | | | | | | | | | | | 10 |
| 11 | Phillip Martien
B. J. Zacharias
Sascha Maassen
Patrick Pilet | | | | | | | | | | | | | | | | | | | | | | | | 11 |
| 12 | Paul Edwards
Kelly Collins
 Jan Magnussen | | | | | | | | | | | | | | | | | | | | | | | | 12 |
| 13 | Dominik Farnbacher
Eric Lux
 Matthew Marsh
Kevin Roush | | | | | | | | | | | | | | | | | | | | | | | | 13 |
| 14 | Robin Liddell
Andrew Davis
Jeff Bucknum | | | | | | | | | | | | | | | | | | | | | | | | 14 |
| 15 | James Sofronas | | | | | | | | | | | | | | | | | | | | | | | | 15 |
| 15 | Steve Johnson
 Dave Lacey
Robert Nearn
Richard Westbrook | | | | | | | | | | | | | | | | | | | | | | | | 15 |
| 16 | Leh Keen
Dirk Werner
Wolf Henzler
Richard Westbrook | | | | | | | | | | | | | | | | | | | | | | | | 16 |
| 17 | Emil Assentato
Jeff Segal
Nick Longhi
Matt Plumb | | | | | | | | | | | | | | | | | | | | | | | | 17 |
| 18 | Jerome Jacalone
Joe Jacalone
Randy Pobst
 Gerardo Bonilla | | | | | | | | | | | | | | | | | | | | | | | | 18 |
| 18 | Shane Lewis | | | | | | | | | | | | | | | | | | | | | | | | 18 |
| 19 | Scott Tucker
Ed Zabinski
Christophe Bouchut
 Raphael Matos | 14 | | | | | | | | | | | | | | | | | | | | | | | 19 |
| 20 | Ricky Taylor
Jared Beyer
David Martínez
Jordan Taylor | 11 | | | | | | | | | | | | | | | | | | | | | | | 20 |
| 21 | Mike Forest
Thomas Merril
Al Salvo
Jeff Westphal | | | | | | | | | | | | | | | | | | | | | | | | 21 |
| 22 | James Gue
Tom Long
Ryan Eversley
Galen Bieker | | | | | | | | | | | | | | | | | | | | | | | | 22 |
| 23 | Guy Cosmo
Scott Russell
Jason Pridmore
Jeff Ward | 17 | | | | | | | | | | | | | | | | | | | | | | | 23 |
| 24 | Dion von Moltke
Bryan Sellers
Doug Peterson
Dane Cameron | | | | | | | | | | | | | | | | | | | | | | | | 24 |
| 25 | Duncan Ende | | | | | | | | | | | | | | | | | | | | | | | | 25 |
| 25 | José Gutiérrez
Chris Pallis
Steve Miller
Scott Schroeder | | | | | | | | | | | | | | | | | | | | | | | | 25 |
| 26 | Gabrio Rosa
Pierre Kaffer
Giacomo Petrobelli
Allan Simonsen | | | | | | | | | | | | | | | | | | | | | | | | 26 |
| 26 | Giorgio Rosa | | | | | | | | | | | | | | | | | | | | | | | | 26 |
| 27 | Michael Gomez
Daniel Graff
Wolf Henzler
Ron Jarab Jr. | | | | | | | | | | | | | | | | | | | | | | | | 27 |
| 27 |  Richard Campollo | | | | | | | | | | | | | | | | | | | | | | | | 27 |
| 28 | David Haskell
Sylvain Tremblay
Nick Ham
Jonathan Bomarito | | | | | | | | | | | | | | | | | | | | | | | | 28 |
| 29 | David Quinlan
Bruce Ledoux
Dan Watkins
Steve Zadig | | | | | | | | | | | | | | | | | | | | | | | | 29 |
| 29 | Kurt Kossmann | | | | | | | | | | | | | | | | | | | | | | | | 29 |
| 30 | Ross Bentley
Keith Carter
Daniel Herrington
Glenn Nixon | | | | | | | | | | | | | | | | | | | | | | | | 30 |
| 31 | Memo Gidley
Brad Jaeger
Fabrizio Gollin
Matteo Bobbi | 12 | | | | | | | | | | | | | | | | | | | | | | | 31 |
| 32 | Hiram Cruz | | | | | | | | | | | | | | | | | | | | | | | | 32 |
| 32 | Lawson Aschenbach
 Emilio Valverde
Lance Willsey
Omar Rodriguez | | | | | | | | | | | | | | | | | | | | | | | | 32 |
| 33 | Craig Stanton
John Potter
Bryce Miller
Marco Holzer | | | | | | | | | | | | | | | | | | | | | | | | 33 |
| 34 | Tracy Krohn
 Eric van de Poele
Oliver Gavin | 18 | | | | | | | | | | | | | | | | | | | | | | | 34 |
| 35 | Jep Thornton | | | | | | | | | | | | | | | | | | | | | | | | 35 |
| 35 | Joe Foster
Patrick Dempsey
Charles Espenlaub
Tim Lewis Jr. | | | | | | | | | | | | | | | | | | | | | | | | 35 |
| 36 | Luca Drudi
César Campaniço
Max Papis
Nathan Swartzbaugh | | | | | | | | | | | | | | | | | | | | | | | | 36 |
| 37 | Jason Daskalos
Pepe Montaño
Diego Alessi
Jason Vinkemulder | | | | | | | | | | | | | | | | | | | | | | | | 37 |
| 38 | Burt Frisselle
Mark Wilkins
John Farano
Alex Figge | 15 | | | | | | | | | | | | | | | | | | | | | | | 38 |
| 39 | Carlos de Quesada
Ryan Dalziel
 Tomáš Enge
Chapman Ducote | 13 | | | | | | | | | | | | | | | | | | | | | | | 39 |
| 40 | Joe Castellano
Constantino Bertuzzi
Luca Pirri Ardizzone
 Christian Montanari | | | | | | | | | | | | | | | | | | | | | | | | 40 |
| 41 | Oswaldo Negri Jr.
Mark Patterson
Ryan Hunter-Reay
Colin Braun | 8 | | | | | | | | | | | | | | | | | | | | | | | 41 |
| 42 |  Claudio Burtin
Jack Baldwin
Mac McGehee
Cory Friedman | | | | | | | | | | | | | | | | | | | | | | | | 42 |
| 42 | Martin Ragginger | | | | | | | | | | | | | | | | | | | | | | | | 42 |
| 43 | Jim Michaelian
Bob Michaelian
Romeo Kapudija
John McMullen Jr. | | | | | | | | | | | | | | | | | | | | | | | | 43 |
| 43 | John Lewis | | | | | | | | | | | | | | | | | | | | | | | | 43 |
| 44 | Darren Manning
Bill Lester
Leo Hindery
Kyle Petty | | | | | | | | | | | | | | | | | | | | | | | | 44 |
| 45 | Jim Lowe
Jim Pace
Johannes van Overbeek
Tim Sugden | | | | | | | | | | | | | | | | | | | | | | | | 45 |
| 46 |  Niclas Jönsson
Ricardo Zonta
Darren Turner | 9 | | | | | | | | | | | | | | | | | | | | | | | 46 |
| 47 | Michael Valiante
Ian James
A. J. Allmendinger
John Pew | 4 | | | | | | | | | | | | | | | | | | | | | | | 47 |
| 48 | Boris Said
Owen Kelly
Paul Morris
Tom Nastasi | | | | | | | | | | | | | | | | | | | | | | | | 48 |
| 49 | Wayne Nonnamaker
Joe Nonnamaker
Will Nonnamaker
Joe Sahlen | | | | | | | | | | | | | | | | | | | | | | | | 49 |
| NC | Joe Sahlen
Wayne Nonnamaker
Joe Nonnamaker
Will Nonnamaker | | | | | | | | | | | | | | | | | | | | | | | | |
| NC | Lance Willsey | | | | | | | | | | | | | | | | | | | | | | | | |
| NC | Lawson Aschenbach
Hiram Cruz
Omar Rodriguez
Emilio Valverde | | | | | | | | | | | | | | | | | | | | | | | | |
| NC | Timo Bernhard
Ryan Briscoe | | | | | | | | | | | | | | | | | | | | | | | | |
