| Lp | Producent |
Zwycięstwa |
Lata |
|---|---|---|---|
| 1 |  Riley & Scott |
105 | 1998-2002, 2004-2013 |
| 2 | Chevrolet |
17 | 2001, 2012-2013 |
| 3 |  Doran |
10 | 2000, 2003-2004 |
| 4 |  Dallara |
10 | 2002, 2009-2011 |
| 5 | Crawfo rd |
9 | 2002, 2004-2006 |
| 6 | Ferrari |
5 | 1998-1999, 2001 |
| 7 | Fabcar |
5 | 2003 |
| 8 |  Lola |
4 | 2001, 2009 |
| 9 |  Porsche |
2 | 2003, 2007 |
| 10 | Dodge |
1 | 2000 |
| 11 | Saleen |
1 | 2000 |
| 12 | BMW |
1 | 2001 |