| No. | Class | Make | Team / Car | Driver | NAT | Sponsor | ||
| 41 | GT-C |
 |
Rearden Racing Team 3 Porsche Cayman GT4 |
Jorgensen, Daren |
 |
... | ||
| Kearl, Jeff |
|
|||||||
| McKenna, Hutton |
|
|||||||
| Smith, Andrew |
|
|||||||
| 74 | GT-C |
|
Toyo Tires / Flying Lizard Motorsports Porsche Porsche Cayman GT3 Clubsport MR (2016) |
Hedlund, Michael |
|
... | ||
| Thompson, Ross |
|
|||||||
| van Overbeek, Johannes |
|
|||||||
| Watkins, Craig | ||||||||
|
|
||||||||
| No. | Class | Make | Team / Car | Driver | NAT | Sponsor | ||
| 4 | ES |
 |
Prototype Development Group Factory Five GTM (2010) |
Borders, Beau |
|
... | ||
| Holland, Mike |
|
|||||||
| Lindstrom, Troy |
|
|||||||
| Rydquist, Carl |
 |
|||||||
| 6 | ES |
|
Fall-Line Motorsports / Tropical Passage Porsche 991 GT3 (2016) |
Boden, Mark |
|
... | ||
| Herb, Thomas |
|
|||||||
| Kezman, Tim |
|
|||||||
| 21 | ES |
 |
Yost Autosport / BC Racing / Achilles Radial BMW M4 (2016) |
Bonanni, Mike | ... | |||
| Dietz, Erik | ||||||||
| O'Brien, Sean | ||||||||
| Yost, Barry |
|
|||||||
| Yost, Jordan |
|
|||||||
| 45 | ES |
 |
Toyo Tires / Flying Lizard Motorsports Audi Audi R8 LMS (2014) |
Haacker, Tom |
|
... | ||
| Hayes, Charlie |
|
|||||||
| Law, Darren |
|
|||||||
| Sadler, Thomas III |
|
|||||||
| Stacy, Nathan |
|
|||||||
| 71 |
ES |
|
Rearden Racing Team 2 Porsche Cayman GT4 (2016) |
McKenna, Hutton |
|
... | ||
| Smith, Andrew |
|
|||||||
| Warnock, Davis | ||||||||
| Warnock, Greg |
|
|||||||
| 73 | ES |
|
Calvert Dynamics / Competition Motorsports Porsche 911 GT3 (2015) |
Calvert, Preston |
|
... | ||
| Davis, Andrew |
|
|||||||
| Lewis, Michael |
|
|||||||
| Rezzetano, Kurt |
|
|||||||
| 86 | ES |
 |
Kleen Blast Racing / Davids Racing Products Chevrolet Camaro (2017) |
David, Mike |
|
... | ||
| Johnson, Steve |
|
|||||||
| Spurgeon, Tim |
|
|||||||
| Thompson, Barry | ||||||||
| 02 | ES |
|
Lowe Group Racing BMW M3 GTR (2000) |
Andrews, Mark |
|
... | ||
| Clarke, Todd |
|
|||||||
| Hurley, Charles |
|
|||||||
| Lowe, Jerold |
|
|||||||
| McAleenan, Michael |
|
|||||||
|
|
||||||||
| No. | Class | Make | Team / Car | Driver | NAT | Sponsor | ||
| 1 | ESR |
 |
Norma's Last Chance Norma M20FC (2012) |
Black, John |
|
... | ||
| Fogg, Phil - jr. |
|
|||||||
| Fogg, Steve |
|
|||||||
| Milletti, Umberto |
|
|||||||
| 5 | ESR |
 |
Ryno Racing Team 2 Ginetta G57 (2016) |
Bentley, Ross |
 |
... | ||
| Falb, John |
|
|||||||
| Rayhall, Sean |
|
|||||||
| Stone, Ethan | ||||||||
| van Caneghem, Jon | ||||||||
| 44 | ESR |
 |
One Motorsports /
Crowd Strike Radical SR3 (2011) |
House, Dave |
|
... | ||
| Koch, Kenton |
|
|||||||
| Kurtz, George |
|
|||||||
| Watzinger, Gerhard |
|
|||||||
| 49 | ESR |
 |
CSR Performance 2017 Spec Racer - Ford (1986) |
Boyle, Mike |
|
... | ||
| Breton, Robert |
|
|||||||
| Butler, Todd |
|
|||||||
| Zadig, Stephen |
|
|||||||
| 57 | ESR |
|
Ryno Racing Team 1 Ginetta G57 (2016) |
Bennett, Jonathan |
|
... | ||
| Braun, Colin |
|
|||||||
| Carpenter, Ryan | ||||||||
| Husain, Najaf | ||||||||
| 67 | ESR |
|
ONE Motorsports / Radical Radical SR3 (2004) |
LaHaye, Paul |
|
... | ||
| Liddy, Patrick |
|
|||||||
| Menczer, Jesse |
|
|||||||
| Shafer, Jeff |
|
|||||||
| 01 |
ESR |
 |
Valkyrie Autosport / ICE 9 Motorsports Elan NP01 (2016) |
Dickerson, Dakota |
|
... | ||
| Magouyrk, Clayton |
|
|||||||
| Streicher, Charles |
|
|||||||
| Waddell, Benjamin |
|
|||||||
|
|
||||||||
| No. | Class | Make | Team / Car | Driver | NAT | Sponsor | ||
| 3 | E0 |
|
Tiger Racing / Bavarian Tuning BMW M3 (2004) |
Ghidinelli, Brian |
|
... | ||
| Larson, John | ||||||||
| Maher, Billy | ||||||||
| Watson, Chris |
|
|||||||
| 8 | E0 |
|
German Auto Service BMW 325 iS (1994) |
Buffington, Phillip | ... | |||
| Davis, Erik |
|
|||||||
| Fluckey, James | ||||||||
| Quint, D. J. | ||||||||
| 9 | E0 |
|
TNI Racing BMW M3 (2006) |
Alexandridis, Jason |
|
... | ||
| Arsham, Ali |
|
|||||||
| DeBoer, Derek |
|
|||||||
| Lau, Shek Fai Edgar |
 |
|||||||
| Makishima, Doug |
|
|||||||
| Shawhan, Michael |
|
|||||||
| 10 | E0 |
|
Racecraft BMW M3 (2003) |
Forland, Terry | ... | |||
| Froula, Jim | ||||||||
| Hill, John |
|
|||||||
| Walker, Steve |
|
|||||||
| 11 | E0 |
 |
Valkyrie Autosport / Croiset Racing Nissan 350Z (2003) |
Croiset, Jeremy | ... | |||
| Fitzgerald, Richard | ||||||||
| Lock, Brian |
|
|||||||
| Powell, Giles | ||||||||
| 16 | E0 |
|
Edge Motorworks MV BMW M3 (2006) |
Blickman, Paul | ... | |||
| Edwards, Donny |
|
|||||||
| Ferrario, Steven |
|
|||||||
| Powers, Matthew |
|
|||||||
| Webster, Shaun |
|
|||||||
| Zwain, Anthony | ||||||||
| 17 | E0 |
 |
THRW Honda Racing 1 Honda Civic Type-R (2017) |
Chan, Douglas |
|
... | ||
| Eversley, Ryan |
|
|||||||
| Hwang, Lawrence | ||||||||
| Marie, Sage |
|
|||||||
| Shanfeld, Brian |
|
|||||||
| 18 | E0 |
|
THRW Honda Racing 2 Honda Civic Type-R (2017) |
Lucas, Jeremy |
 |
... | ||
| Nicol, Scott |
|
|||||||
| O'Gorman, Tom |
|
|||||||
| Tam, Calvin |
|
|||||||
| Tsay, Michael |
|
|||||||
| 24 | E0 |
|
El Dorado Motorsports Honda CRX (1991) |
Fulmer, Roy IV |
|
... | ||
| Lepper, Thomas |
|
|||||||
| Lock, Mike |
|
|||||||
| Pope, Nathan |
|
|||||||
| Young, Carl |
|
|||||||
| 30 | E0 |
|
El Diablo Motorsports BMW 325 (2001) |
Boicelli, Lance |
|
... | ||
| Clay, James |
|
|||||||
| Colborn, James |
|
|||||||
| Evans, Cameron |
|
|||||||
| Postins, Charles |
|
|||||||
| Sievwright, Dale | ||||||||
| 33 | E0 |
|
Rearden Racing Team 1 Nissan 370Z (2012) |
Kearl, Jeff |
|
... | ||
| Kozarov, Vesko |
|
|||||||
| Westphal, Jeff |
|
|||||||
| 50 | E0 |
|
RK Motorsports TC Design BMW M3 (2007) |
Colicchio, Tony |
|
... | ||
| Kwitowski, Andy | ||||||||
| Littlehale, Tristan |
|
|||||||
| Rebozzi, Skip | ||||||||
| 54 | E0 |
 |
Studebaker LCP Racing Studebacker Champion (1960) |
Harvey, Taz |
|
... | ||
| Spurgeon, Tim |
|
|||||||
| 58 | E0 |
 |
UFD - EXR1 Mitjet LV02 (2015) |
Brabham, Matthew |
|
... | ||
| Eagleton, Roger |
|
|||||||
| Hynes, William | ||||||||
| Morse, Henry |
|
|||||||
| Villeneuve, Rene |
|
|||||||
| 68 | E0 |
|
EXR 2 - Rob Bramlette Mitjet LV02 (2015) |
Bramlette, Rob |
|
... | ||
| Carel, Chris |
 |
|||||||
| Mathey, David | ||||||||
| Premat, Alexandre |
|
|||||||
| Ramsey, Mark |
|
|||||||
| 81 | E0 |
|
Cervelli Tecchnical Service #81 Porsche Boxster (1999) |
Cervelli, Chris | ... | |||
| Dunn, Steve |
|
|||||||
| Shukla, Salil | ||||||||
| 82 | E0 |
|
Cervelli Tecchnical Service
#82 Porsche Boxster (1997) |
Cervelli, Chris | ... | |||
| Conser, Glenn | ||||||||
| Cox, Chad | ||||||||
| Haun, Collin |
|
|||||||
| 85 | E0 |
 |
Ford Performance Racing School #1 Ford Mustang Boss 302 (2013) |
Hamill, Ty |
|
... | ||
| McKeever, Dan |
|
|||||||
| Smith, Brian |
|
|||||||
| Staveley, Drew |
|
|||||||
| 96 | E0 |
|
Ford Performance Racing School #2 Ford Mustang Boss 302 (2012) |
Davis, Brandon |
|
... | ||
| Gannett, Frank |
|
|||||||
| Gannett, Jennifer |
|
|||||||
| Lacy, Ian |
|
|||||||
| Terry, Paul |
|
|||||||
|
|
||||||||
| No. | Class | Make | Team / Car | Driver | NAT | Sponsor | ||
| 0 | E1 |
 |
RAmotorsports50 - Matt Million Mazda MX-5 Miata (1999) |
Cooper, Daniel |
 |
... | ||
| Grey, Noah |
|
|||||||
| Million, Matthew |
|
|||||||
| Weaver, Tim |
|
|||||||
| 14 | E1 |
|
Team Technik / AGM BMW 330 (2004) |
Dietz, Robert | ... | |||
| Hopelain, Peter | ||||||||
| Mitchell, Mark |
|
|||||||
| Neel, Sean | ||||||||
| Sampson, Shawn |
|
|||||||
| 52 | E1 |
|
Monkey Dog Racing Honda Civis Si (2012) |
Butterfield, Albert | ... | |||
| Fulks, Rick |
|
|||||||
| Gengenbach, David | ||||||||
| Stanton, Craig |
|
|||||||
| 70 | E1 |
|
Trim-Tex Racing Mazda MX-5 (2016) |
Bilicki, Josh |
|
... | ||
| Cassels, Cameron |
|
|||||||
| Casey, Britt - jr. |
|
|||||||
| Koenig, Joe | ||||||||
| 72 | E1 |
|
Team MooreWood Racing BMW 330i (2001) |
Borchelt, John | ... | |||
| Moore, Larry |
|
|||||||
| Riley, Deejay | ||||||||
| Ross, Justin | ||||||||
| Shawhan, William |
|
|||||||
| 06 | E1 |
|
Sick Sideways 1 Mazda MX-5 (2016) |
Dean, John |
|
... | ||
| Evancich, Nick | ||||||||
| Month, Zachary |
|
|||||||
| Noaker, Robert |
|
|||||||
| 07 | E1 |
|
Sick Sideways 2 Mazda MX-5 (2016) |
Harrison, Ashton |
|
... | ||
| Szymczak, Christian |
|
|||||||
| Wagner, Gresham |
|
|||||||
| 08 | E1 |
|
Das Boot Motorsports 1 BMW 330i (2003) |
Capresto-DuBets, John |
|
... | ||
| Davidian, Mark | ||||||||
| Merrill, Thomas |
|
|||||||
| Mihal, Jim | ||||||||
| Nicklin, Parker |
|
|||||||
| Smith, Austen |
|
|||||||
|
|
||||||||
| No. | Class | Make | Team / Car | Driver | NAT | Sponsor | ||
| 29 |
E2 |
|
KD Motorsports BMW 325 iS (1988) |
Doyle, Kevin | ... | |||
| Lowell, Matt | ||||||||
| Peters, Corey | ||||||||
| 34 | E2 |
|
RDR Mazda RX-8 (2004) |
Barnes, Jeremy |
|
... | ||
| Davis, Robert |
|
|||||||
| Holloway, Dennis |
|
|||||||
| Holloway, James | ||||||||
| Miller, Joel |
|
|||||||
| Papageorge, Lee | ||||||||
| 55 |
E2 |
|
Good Times Racing 1 BMW 325 iS (1993) |
Dixon, Garrett |
|
... | ||
| Mejia, Tomas |
|
|||||||
| Mullan, Colin |
|
|||||||
| Sommers, Nick |
|
|||||||
| Woodroffe, Richard | ||||||||
| # | E2 |
Good Times Racing 2 ... |
Briody, James |
|
... | |||
| Woodroffe, Richard | ||||||||
|
|
||||||||
| No. | Class | Make | Team / Car | Driver | NAT | Sponsor | ||
| 7 | E3 |
 |
Augermiles.com / New York Rock Exchange Acura Integra (1991) |
Auger, Tim |
|
... | ||
| Briody, James |
|
|||||||
| Gilio, Donna |
|
|||||||
| Kalinowski, Joe | ||||||||
| 15 | E3 |
|
Neth Racing Works Mazda MX-5 Miata (2000) |
Allan, Joshua | ... | |||
| Gray, Richard |
|
|||||||
| Neth, David | ||||||||
| Neth, Robert | ||||||||
| 23 | E3 |
|
RJ Racing Mazda MX-5 Miata (1995) |
Eagleton, Roger |
|
... | ||
| Gibson, John |
|
|||||||
| Gorshkov, Oleg | ||||||||
| 35 | E3 |
|
RAmotorsports35 Mazda MX-5 Miata (1990) |
Abouzeid, Mark |
|
... | ||
| Meister, Raymond | ||||||||
| Rose, Ward |
|
|||||||
| Zander, Duke | ||||||||
| 40 | E3 |
|
RAmotorsports40 Mazda MX-5 Miata (1999) |
Biggar, David |
|
... | ||
| Holifield, Andrew | ||||||||
| LaBouff, Michael |
|
|||||||
| Takaoka, Tao |
|
|||||||
| 60 | E3 |
|
A+ Racing Mazda MX-5 Miata (1994) |
Dirkson, John |
|
... | ||
| Johnson, Dion | ||||||||
| Morton, Scott | ||||||||
| Ng, Nei | ||||||||
| 64 | E3 |
|
Brown / Heyer Mazda MX-5 Miata (1999) |
Brown, MD Bill |
|
... | ||
| Heyer, Tony | ||||||||
| 69 | E3 |
|
Corksport Performance Mazda 3 (2016) |
Ambrose, Derrick |
|
... | ||
| Fischer, T. J. |
|
|||||||
| Jordan, Jim |
|
|||||||
| Jordan, Joey |
|
|||||||