| Andrew Work | Great Lakes Region | Honda Chal 2 | Honda Civic | 102 | 7906903 |
| Brandon Wilson | Great Lakes Region | Instructor | Chevrolet Camaro SS 1LE | 28 | |
| Christopher Williams | Great Lakes Region | Spec Iron | Ford Mustang | 55 | 6499877 |
| James Wheeler | Great Lakes Region | HPDE4 | Caterham 7 Superlight | 5 | |
| Michael Weber | Great Lakes Region | Super Touring 6 | Mazda Miata | 7 | 1008209 |
| Chris Weber | Great Lakes Region | Super Touring 6 | Infiniti G20 | 7 | |
| Rich Wagner | Great Lakes Region | HPDE2 | Ford Mustang | 9 | |
| Gene Vantluka | Great Lakes Region | HPDE3 | Ford Shelby GT 350 | 164 | |
| Charles Tucker | Great Lakes Region | HPDE4 | Porsche GT4 | 2 | |
| John Tongish | California- Southern Region | HPDE2 | Ford Mustang GT | 624 | |
| Deb Tarver | Great Lakes Region | HPDE1 | Chevrolet Camaro | 14 | |
| David Stewart | Great Lakes Region | HPDE3 | Porsche GT4 | 8 | |
| John Santiago | Great Lakes Region | TT5 | Mazda RX-8 | '010 | 4718556 |
| Chuck Reigelsperger | Great Lakes Region | Tech | Mazda Miata | 62 | |
| Paul Radey | Great Lakes Region | Pit & Grid | Ford Mustang V6 | '038 | |
| John Poppenhouse | Great Lakes Region | Spec Miata | Mazda Miata | 504 | 2436511 |
| 2S1346: Team Piña-Brewster | Great Lakes Region | 944 Spec | Porsche 944 | 919 | 9406454 |
| Mark Phillips | Great Lakes Region | TT5 | Honda S2000 | '044 | 4449889 |
| Luke Perkowski | Great Lakes Region | GTS2 | BMW M3 | 189 | 3879944 |
| Eric Pennington | Great Lakes Region | Spec E30 | Bmw 325i | 52 | 5671365 |
| Derek Mortland | Great Lakes Region | TT4 | Ford Mustang | 35 | 8856161 |
| Steven Mackay | Great Lakes Region | HPDE3 | Porsche Boxster | 95 | |
| Mark Losiniecki | Great Lakes Region | TT5 | Mazda Miata | 773 | |
| Christina Losiniecki | Great Lakes Region | HPDE3 | Mazda Miata | 73 | |
| Travis Lee | Great Lakes Region | Spec Miata | Mazda Miata | 60 | 0607335 |
| Bill Kowalewski-Barrera | Great Lakes Region | TT5 | Mazda Miata | 646 | 0271851 |
| Dariusz Koman | Great Lakes Region | TT4 | Mitsubishi Lancer Evolution X | 012 | 0930764 |
| Stuart Killian | Great Lakes Region | Super Touring 6 | Mazda Miata | 707 | 5665874 |
| Steven Killian | Great Lakes Region | Super Touring 6 | Mazda Miata | 717 | 2658078 |
| Brian Kellett | Great Lakes Region | HPDE4 | Mazda Miata NC | 670 | 4946402 |
| Kathi Jorgensen | Great Lakes Region | Registration | Audi RS5 | 000 | |
| Mac Johnson | Great Lakes Region | Timing & Scoring | Chevrolet Corvette Z06 | 1 | |
| Mike Jobe | Great Lakes Region | Super Touring 2 | chev corvette | 815 | 4858368 |
| Matthias Jamison-Koenig | Great Lakes Region | HPDE2 | Chevrolet Camaro Z28 | 350 | |
| Brian Hollahan | Great Lakes Region | HPDE3 | BMW E46 M3 | 45 | |
| Jeff Halvorson | Great Lakes Region | HPDE4 | Porsche GT3 | 40 | |
| Lauri Haase-Sumlin | Great Lakes Region | HPDE2 | Mazda Speed Protege | 327 | |
| William Griffin | Great Lakes Region | Spec E46 | BMW 330ci | 116 | 3372205 |
| Matt Giuffre | Great Lakes Region | 944 Spec | Porsche 944 | 152 | 1983727 |
| Don Gervais | Great Lakes Region | HPDE1 | Mazda Miata | 93 | |
| Phillip Gehlhausen | Great Lakes Region | ThunderRoadster GTR | Thunder Roadster | 210 | 8188580 |
| Chris Fries Sr. | Great Lakes Region | Super Touring 4 | BMW 328i | '04 | 2303387 |
| Nolan Feathers | Great Lakes Region | Super Touring 6 | Acura Integra | 27 | 5192820 |
| Robert Ellis | Great Lakes Region | Super Touring 6 | Volkswagen Scirocco | 2 | 9440608 |
| ERIC DOUBLE | Great Lakes Region | TT6 | MAZDA MIATA | 13 | TX 2210096 |
| Lance Dolan | Great Lakes Region | HPDE1 | Lotus Elise | 133 | |
| Bob Denton | Great Lakes Region | CMC | Pontiac Firebird | 67 | 0706395 |
| Shane Denney | Great Lakes Region | Super Touring 6 | porsche 944 | 57 | 5689602 |
| Ken Deja | Great Lakes Region | HPDE2 | Chevrolet Camaro SS 1LE | 18 | |
| Robert Collins | Great Lakes Region | American Iron | Ford Mustang | 118 | 0856595 |
| Robin Burnett | Great Lakes Region | Spec Iron | Ford Mustang | 20 | 1057373 |
| David Boboltz | Great Lakes Region | TT6 | Subaru Impreza 2.5i | 412 | 3510925 |
| Curtis Baldwin | Great Lakes Region | Super Unlimited | V8 Roadsters Coupe | 714 | 2159343 |
| Christopher Armbruster | Great Lakes Region | TT6 | Mazda Miata | 125 | 5949066 |
| John Allen | Great Lakes Region | Spec Miata | Mazda Miata | 101 | 2664442 |
| John Alfini | Great Lakes Region | TT3 | Porsche Cayman S | 127 | 6613372 |
| Brad Adams | Great Lakes Region | Honda Chal 1 | Honda Civic | 12 | 3789972 |
