| Driver | NAT | DP | GT | |
| Alessi, Diego |
 |
- | 17 | |
| Allmendinger, AJ |
 |
6 | - | |
| Andretti, John |
|
03 | - | |
| Angelelli, Max |
|
10 | - | |
| Antinucci, Richard |
|
3 39 47 | - | |
| Aquilante, Andrew |
|
- | 35 06 | |
| Archer, Tommy |
|
- | 65 | |
| Armengol, Jose |
|
- | 30 | |
| Arnold, Lance |
 |
- | 80 | |
| Arnold, Zach |
|
- | 44 | |
| Aschenbach, Lawson |
|
- | 72 06 07 | |
| Assentato, Emil |
|
- | 69 | |
| Atherton, Tom |
|
- | 65 68 | |
| Auberlen, Bill |
|
23 | - | |
| Auriemma, Michael |
|
- | 68 | |
| Ave, Tony |
|
9 | - | |
| Driver | NAT | DP | GT | |
| Baas, Ian |
|
- | 14 | |
| Babini, Fabio |
|
16 | - | |
| Baldwin, Jack |
|
- | 62 | |
| Ballou, Ted |
|
- | 66 | |
| Barbosa, Joao |
 |
59 | - | |
| Baron, Alex |
|
3 | - | |
| Barrett, Patrick |
|
- | 32 | |
| Basseng, Marc |
|
22 | 22 26 29 | |
| Bell, Derek |
 |
12 | - | |
| Bell, Justin |
|
12 | - | |
| Bentley, Ross |
 |
- | 84 85 | |
| Bergmeister, Jörg |
|
- | 86 89 | |
| Bergmeister, Tim |
|
- | 83 | |
| Bernhard, Timo |
|
- | 87 | |
| Bertuzzi, Constantino |
|
- | 52 | |
| Beyer, Jarrett |
|
19 | - | |
| Biagi, Thomas |
|
- | 52 56 | |
| Bingham, Chris |
|
- | 84 85 | |
| Blaylock, Randy |
|
- | 44 | |
| Bobbi, Matteo |
|
16 39 | - | |
| Bomarito, Jonathan |
|
- | 30 | |
| Bourque, Pierre |
|
- | 63 | |
| Borcheller, Terry |
|
59 09 | 72 | |
| Borkowski, Mike |
|
- | 53 | |
| Bouchut, Christophe |
 |
- | 55 | |
| Bowman, Larry |
|
- | 33 | |
| Bradley, James |
|
- | 50 | |
| Braun, Colin |
|
61 | - | |
| Briscoe, Ryan |
 |
9 | - | |
| Brumbaugh, Andy |
|
- | 74 | |
| Bucknum, Jeff |
|
- | 97 | |
| Bunting, Marc |
|
- | 06 | |
| Burtin, Claudio |
 |
- | 62 | |
| Busch, Kurt |
|
9 | - | |
| Driver | NAT | DP | GT | |
| Camirand, Marc-Antoine |
|
09 | - | |
| Carpenter, Ed |
|
03 | - | |
| Castellano, Joe |
|
- | 52 | |
| Castroneves, Helio |
|
9 | - | |
| Charouz, Jan |
 |
11 | - | |
| Cheever, Eddie - jr. |
|
39 | - | |
| Chi Min Effiniz, Ma "Dr. But" |
 |
- | 52 | |
| Christopher, Ted |
|
3 | - | |
| Cloud, John |
|
- | 50 | |
| Collard, Emanuel |
|
- | 67 | |
| Collins, Kelly |
|
- | 07 | |
| Connolly, Matt |
|
31 | 21 24 | |
| Constantine, Tommy |
|
- | 30 53 | |
| Contini, Ettore |
 |
31 | - | |
| Cosmo, Guy |
|
09 | - | |
| Costa, Alberto |
|
39 | - | |
| Cotter, Bill |
|
- | 84 85 | |
| Courtney, Jeff |
|
- | 74 | |
| Crews, C.R. |
|
- | 83 | |
| Cullen, Michael |
 |
7 | - | |
| Curran, Eric |
|
- | 87 88 06 | |
| Driver | NAT | DP | GT | |
| Dallenbach, Paul |
|
12 | - | |
| Dalziel, Ryan |
|
2 11 22 60 | - | |
| Daskalos, Jason |
|
- | 65 68 | |
| Davis, Andrew |
|
- | 57 | |
| da Matta, Cristiano |
 |
61 98 | - | |
| Dempsey, Patrick |
|
- | 40 | |
| de Quesada, Carlos |
|
22 28 | 22 26 29 | |
| de Villota Comba, Maria |
 |
19 | - | |
| DiPippo, Phillip |
|
- | 35 | |
| Dixon, Scott |
 |
02 | - | |
| Dobson, Ken |
|
- | 30 | |
| Donohue, David |
|
58 59 | - | |
| Doornbos, Robert |
 |
- | 81 | |
| Drudi, Luca |
|
- | 89 | |
| Drummond, Gary |
|
- | 48 | |
| Dumas, Romain |
|
- | 67 | |
| Dumoulin, Jean-Francois |
|
- | 15 22 50 | |
| Dumoulin, Louis-Philippe |
|
22 28 | 22 26 29 | |
| Duno, Milka |
 |
11 | - | |
| Duran, Salvador |
|
02 | - | |
| Driver | NAT | DP | GT | |
| Edwards, Paul |
|
- | 06 07 | |
| Ehret, Pierre |
|
- | 87 | |
| Empringham, David |
|
2 | 15 50 | |
| Ende, Duncan |
|
- | 63 65 67 68 | |
| Enge, Tomas |
|
11 | - | |
| Erdos, Tommy |
|
51 | - | |
| Espenlaub, Charles |
|
- | 40 | |
| Driver | NAT | DP | GT | |
| Farano, John |
|
- | 50 | |
| Farnbacher, Dominik |
|
- | 86 87 88 | |
| Faulkner, Damien |
|
- | 80 | |
| Feinberg, Joel |
|
- | 26 | |
| Fellows, Ron |
|
- | 06 | |
| Fittipaldi, Christian |
|
16 39 | - | |
| Fitzgerald, Mike |
|
- | 34 | |
| Fogarty, Jon |
|
99 | - | |
| Forest, Mike |
|
- | 32 | |
| Foster, Joe |
|
- | 40 | |
| Foyt, Anthony J. IV |
|
03 | - | |
| France, Jamie C. |
|
59 | - | |
| Franchitti, Dario |
|
01 | - | |
| Friedman, Cory |
|
- | 14 | |
| Frisselle, Brian |
|
61 | - | |
| Frisselle, Burt |
|
6 47 77 | - | |
| Frost, Robert |
|
31 | - | |
| Driver | NAT | DP | GT | |
| Gabel, Scooter |
|
22 28 | 22 26 29 | |
| Garcia, Antonio |
|
16 | - | |
| Garcia, Roberto |
|
- | 29 | |
| Gardel, Gabriele |
|
47 77 | - | |
| Gavin, Oliver |
|
75 | - | |
| George, Tim - jr. |
|
- | 66 67 | |
| George, Tony |
|
03 | - | |
| Giammaria, Raffael |
|
- | 89 | |
| Gidley, Memo |
|
77 | - | |
| Gleason, Chris |
|
- | 29 | |
| Goldin, Keith |
|
- | 08 | |
| Goldin, Steve |
|
- | 08 | |
| Gollin, Fabrizio |
|
77 | - | |
| Gomez, Michael |
|
- | 68 | |
| Goossens, Marc |
 |
91 | - | |
| Grant, Carey |
|
- | 71 | |
| Grant, Kevin |
|
- | 71 | |
| Grant, Milton |
|
- | 71 | |
| Greenberg, Mark |
|
- | 65 80 | |
| Gregoire, Stephan |
|
7 | - | |
| Grupp, Richard |
|
- | 48 | |
| Gue, James |
|
- | 32 83 97 | |
| Guitterez, Jose Manuel |
 |
- | 65 68 | |
| Gurney, Alex |
|
99 | - | |
| Driver | NAT | DP | GT | |
| Ham, Nick |
|
- | 40 70 | |
| Hamblin, Jim |
|
- | 74 | |
| Hand, Joey |
|
23 | - | |
| Hardt, Jörg |
|
- | 89 | |
| Harrington, Daniel |
|
19 | - | |
| Haskell, David |
|
- | 69 70 | |
| Haywood, Hurley |
|
58 59 | - | |
| Heinricy, John |
|
- | 35 | |
| Henzler, Wolf |
|
- | 86 87 88 | |
| Herrington, Daniel |
|
- | 30 | |
| Heylen, Jan |
|
- | 80 | |
| Huisman, Patrick |
|
- | 81 | |
| Hunter-Reay, Ryan |
|
91 | - | |
| Driver | NAT | DP | GT | |
| Ingham, Seth |
|
31 | - | |
| Driver | NAT | DP | GT | |
| Jacalone, Jerome |
|
- | 26 | |
| Jacalone, Joseph |
|
- | 26 | |
| Jaeger, Brad |
|
77 | - | |
| James, Ian |
|
6 | - | |
| Jeannette, Gunnar |
|
- | 57 | |
| Jensen, Carl |
|
- | 50 | |
| Jensen, Gary |
|
- | 17 | |
| Jensen, Mark |
|
- | 17 | |
| Johnson, Jimmie |
|
99 | - | |
| Johnson, Steve |
|
- | 80 81 88 | |
| Jönsson, Niclas |
 |
75 76 | - | |
| Julian, Elton |
|
61 | - | |
| Driver | NAT | DP | GT | |
| Kaffer, Pierre |
|
- | 86 87 88 | |
| Kapudija, Romeo |
|
- | 21 40 | |
| Kasemets, Tonis |
 |
12 | - | |
| Keen, Leh |
|
- | 86 88 | |
| Kelleners, Ralf |
|
- | 14 | |
| Kennedy, Squeak |
|
- | 08 | |
| Kimber-Smith, Tom |
|
16 51 | - | |
| Kitch, Don - jr. |
|
- | 84 85 | |
| Knowles, Don |
|
- | 35 | |
| Konopka, Miro |
 |
31 | - | |
| Krohn, Tracy |
|
75 | - | |
| Driver | NAT | DP | GT | |
| Lacey, Dave |
|
- | 88 | |
| Lally, Andy |
|
4 | 66 67 69 | |
| Law, Darren |
|
58 | - | |
| Lazzaro, Anthony |
|
- | 14 53 74 | |
| Lester, Bill |
|
3 12 | - | |
| Lewis, Shane |
|
3 09 | - | |
| Lewis, Tim - jr. |
|
- | 72 06 | |
| Liddell, Robin |
|
- | 57 | |
| Lieb, Marc |
|
- | 22 29 | |
| Lietz, Richard |
 |
- | 81 | |
| Lloyd, Alex |
|
01 02 | - | |
| Long, Leslie |
|
- | 96 | |
| Long, Patrick |
|
23 | 67 80 81 88 | |
| Long, Tom |
|
- | 21 90 | |
| Longhi, Nick |
|
- | 69 | |
| Lowe, Jim |
|
- | 63 64 | |
| Ludwig, Peter |
|
- | 30 83 | |
| Luhr, Lucas |
|
2 | - | |
| Lux, Eric |
|
- | 86 88 | |
| Luyendyk, Arie - jr. |
|
77 | - | |
| Driver | NAT | DP | GT | |
| Maassen, Sascha |
|
- | 86 | |
| Machado, Fred |
|
- | 52 | |
| Magnussen, Jan |
 |
- | 06 07 | |
| Maher, Hima |
|
- | 63 65 | |
| Mandeville, Roger |
|
- | 48 | |
| Marsh, Matthew |
|
- | 56 | |
| Matos, Raphael |
|
6 | 70 | |
| Matthews, Jim |
|
91 | - | |
| Maxwell, Scott |
|
- | 40 55 | |
| Mayer, Scott |
|
51 | - | |
| Mayes, John |
|
- | 68 | |
| McCrackin, Ben |
|
- | 83 | |
| McDowell, Michael |
|
09 | - | |
| McGehee, Mac |
|
- | 14 | |
| McNish, Allan |
|
2 | - | |
| Meassick, Jim |
|
- | 08 | |
| Meira, Vitor |
|
03 | - | |
| Merrill, Thomas |
|
- | 32 | |
| Michaelian, Bob |
|
- | 26 30 | |
| Michaelian, Jim |
|
- | 26 30 74 | |
| Miller, Bryce |
|
- | 66 87 | |
| Miller, Steve |
|
- | 84 85 | |
| Milner, Brent |
|
- | 68 | |
| Montanari, Christian |
 |
- | 52 56 | |
| Montano, Pepe |
|
- | 21 | |
| Montoya, Juan Pablo |
 |
01 | - | |
| Monzon, Luis |
|
- | 56 | |
| Moreno, Roberto |
|
75 | - | |
| Mowlem, Johnny |
|
- | 34 | |
| Mücke, Stefan |
|
11 | - | |
| Murry, David |
|
- | 74 80 81 | |
| Driver | NAT | DP | GT | |
| Nastasi, Tom |
|
- | 15 21 | |
| Nearn, Robert |
|
- | 06 | |
| Negri, Oswaldo - jr. |
|
60 | - | |
| Newton, Mike |
|
51 | - | |
| Nixon, Glenn |
|
- | 44 | |
| Nonnamaker, Joe |
|
- | 42 43 | |
| Nonnamaker, Wayne |
|
- | 42 43 | |
| Nonnamaker, Will |
|
- | 42 43 | |
| Driver | NAT | DP | GT | |
| Oasis, Russ |
|
- | 65 68 | |
| Ortelli, Stephane |
|
16 | - | |
| O'Connell, Johnny |
|
91 | - | |
| O'Connell, Kevin |
|
- | 27 | |
| Driver | NAT | DP | GT | |
| Pace, Jim |
|
- | 63 64 | |
| Pallis, Chris |
|
- | 84 85 | |
| Papadopoulos, Tom |
|
- | 34 | |
| Papis, Max |
|
- | 72 | |
| Pappas, Tim |
|
- | 40 | |
| Paquette, Steve |
|
- | 44 | |
| Patch, Bransen |
|
- | 74 | |
| Patterson, Mark |
 |
60 | - | |
| Pechnik, Lonnie |
|
- | 27 69 | |
| Pennington, Chris |
|
- | 84 85 | |
| Peterson, Doug |
|
- | 30 | |
| Petrobelli, Giacomo |
|
- | 89 | |
| Pew, John |
|
6 | - | |
| Phinny, Ryan |
|
- | 21 | |
| Pickering, Don |
|
- | 84 85 | |
| Pilet, Patrick |
|
- | 22 | |
| Pilgrim, Andy |
|
- | 06 07 | |
| Plumb, Hugh |
|
- | 27 | |
| Plumb, Matt |
|
7 | - | |
| Pobst, Randy |
|
- | 57 68 97 | |
| Potter, John |
|
- | 65 68 88 96 | |
| Prewitt, Hal |
|
- | 21 | |
| Prey, Chris |
|
- | 06 | |
| Primat, Harold |
|
11 | - | |
| Pruett, Scott |
|
01 | - | |
| Pumpelly, Spencer |
|
- | 66 67 | |
| Driver | NAT | DP | GT | |
| Ragazzi, Roberto |
|
- | 52 | |
| Ragginger, Martin |
|
- | 62 67 | |
| Rahal, Graham |
|
60 | - | |
| Ranger, Andrew |
|
61 | - | |
| Reese, Leighton |
|
- | 06 | |
| Reindler, Karl |
|
- | 21 | |
| Rice, Buddy |
|
58 | - | |
| Rice, Vic |
|
31 | 21 | |
| Riley, Jameson |
|
- | 30 | |
| Riolo, Michael |
|
- | 34 | |
| Rockenfeller, Mike |
|
2 | - | |
| Rojas, Memo |
|
3 01 | - | |
| Rosa, Gabrio |
|
- | 89 | |
| Rosa, Giorgio |
|
- | 89 | |
| Rosenzweig, Jake |
|
- | 29 74 | |
| Rossberg, Keith |
|
31 | 21 24 | |
| Roush, Kevin |
|
- | 27 | |
| Russell, David |
|
- | 90 09 | |
| Driver | NAT | DP | GT | |
| Safina, Joe |
|
- | 74 | |
| Sahlen, Joe |
|
- | 42 43 | |
| Said, Boris III |
|
75 | 15 33 50 | |
| Scardina, Charles |
|
- | 22 | |
| Scarpini, Franco |
|
- | 52 | |
| Schiff, Zach |
|
- | 74 | |
| Schmidt, Max |
|
- | 26 | |
| Schramm, Roger |
|
12 | - | |
| Schroeder, Scott |
|
- | 68 | |
| Schultis, Mirco |
|
31 | - | |
| Sciuto, Alan |
|
- | 32 | |
| Scrogham, Cole |
|
- | 80 | |
| Segal, Jeff |
|
- | 69 | |
| Sellers, Bryan |
|
- | 30 65 66 67 68 | |
| Seyffarth, Jan "Jay" |
|
31 | 21 | |
| Sherman, Brent |
|
51 | - | |
| Shovlin, Paddy |
|
7 | - | |
| Sigal, Gene |
|
7 9 | - | |
| Skea, Derek |
|
- | 14 74 | |
| Smith, Doug |
|
9 | - | |
| Smith, Ross |
|
- | 30 83 | |
| Speakman, Mike |
|
- | 27 | |
| Spencer, Dennis |
|
- | 48 | |
| Spencer, Scott |
|
- | 48 | |
| Stanton, Craig |
|
- | 22 65 72 87 | |
| Staveley, Drew |
|
- | 30 | |
| Stevenson, John |
|
- | 97 | |
| Stippler, Frank |
|
- | 88 | |
| Stone, Craig |
|
- | 21 30 | |
| Stout, Jim |
|
- | 65 68 | |
| Sugden, Tim |
|
- | 64 | |
| Swartzbaugh, Nathan |
|
- | 22 26 29 | |
| Szekeres, Kris |
|
2 | - | |
| Driver | NAT | DP | GT | |
| Taylor, Jordan |
|
19 | 17 30 | |
| Taylor, Ricky |
|
10 19 47 | - | |
| Taylor, Wayne |
|
10 | - | |
| Tiemann, Marcel |
|
91 | - | |
| Thorne, Robert |
|
- | 30 | |
| Thornton, Jep |
|
- | 90 09 | |
| Tremblay, Sylvain |
|
- | 70 | |
| Trenery, Spencer |
|
- | 21 | |
| Turner, Darren |
|
76 | - | |
| Tucker, Scott |
|
- | 55 62 | |
| Tuttle, Brian |
|
2 9 | - | |
| Driver | NAT | DP | GT | |
| Valentine, Richard J. |
|
- | 64 65 68 | |
| Valiante, Michael |
|
10 | - | |
| Varde, Joe |
|
- | 90 09 | |
| Vasser, Jimmy |
|
98 99 | - | |
| Venier, Fabio |
|
- | 52 56 | |
| Vipond, Gordon |
|
31 | - | |
| van de Poele, Eric |
|
75 | - | |
| van Overbeek, Johannes |
|
- | 64 | |
| van Zanten, Dyrk - jr. |
|
- | 44 | |
| von Moltke, Dion |
|
- | 30 | |
| Driver | NAT | DP | GT | |
| Wahl, Quentin |
|
7 | - | |
| Walker, Russell |
|
- | 83 | |
| Wallace, Andy |
|
4 19 20 23 | 55 | |
| Weickardt, Tom |
|
- | 21 | |
| Werner, Dirk |
|
- | 87 88 | |
| Westbrook, Richard |
|
- | 66 67 88 | |
| Wheldon, Dan |
|
02 | - | |
| Wilden, Ken |
|
3 | 50 03 | |
| Wilkins, Greg |
|
- | 88 | |
| Wilkins, Mark |
|
61 | - | |
| Willsey, Lance |
|
- | 34 | |
| Wilson, Justin |
|
60 | - | |
| Wilson, Kris |
|
- | 27 07 | |
| Woodman, Bob |
|
- | 22 26 29 | |
| Driver | NAT | DP | GT | |
| Yarab, Ronald |
|
- | 63 | |
| Driver | NAT | DP | GT | |
| Zabinski, Ed |
|
- | 55 62 | |
| Zitza, Ron |
|
- | 17 | |
| Zogaib, Henri |
|
2 | - | |
| Zonta, Ricardo |
|
76 | - | |