| 0 | Maxwell / Priestley | Multimatic Motorsport | | Ford | Mustang Cobra | | Ford | GT1 |
| 01 | McNish / Sullivan / Müller / Müller / Peter / Sospiri / Murry / Basseng | Rohr Motorsport (USA) | | Porsche | 911 GT1 | | Porsche | GT1 |
| 05 | Iketani / Ishihara / Bytzek | Prova Motorsports (CDN) | | Porsche | 993 GT2 | | Porsche | GT2 |
| 07 | Marshall / Gallade / Rockwood | G & W Motorsports, Inc. | | Porsche | 911 | | Porsche | GT3 |
| 09 | Conway / Flis / van Cleeve | Spirit of Daytona | | Mitsubishi | Eclipse | GSX | Mitsubishi | GT3 |
| 2 | Lewis / Rice / Hornkohl / Neville | Mosler Automotive | | Mosler | Raptor | | | GT1 |
| 3 | Dalmas / Wollek / Fellows / Papis | Scandia Engineering (USA) | | Ferrari | 333 SP | | Ferrari | CA |
| 4 | Borkowski / Buhl / Kanaan | Tom Gloy Racing | | Ford | Mustang Cobra | | Ford | GT1 |
| 5 | Wallace / Pruett / Brabham / Boesel / Bundy / Newman / Davies | Panoz-Visteon Racing (USA) | Don Panoz | Panoz | GTR-1 | | Ford | GT1 |
| 6 | Said / Simo / Auberlen / Valentine / Bentley / Papadopoulos | Prototype Technology Group, Inc. (USA) | | BMW | M3 | E36 | BMW | GT3 |
| 7 | Said / Papadopoulos / Valentine / Auberlen / Donohue | Prototype Technology Group, Inc. (USA) | | BMW | M3 | E36 | BMW | GT3 |
| 8 | Schubot / Camferdam / O'Connell | Transatlantic Racing (USA) | | Riley & Scott | Mk III | | Ford | CA |
| 11 | Fairbanks / Goldsborough / DeFontes / Lewis | Genesis Racing (USA) | Rick Fairbanks | Hawk | MD3R | | Mazda | CA |
| 15 | Stitt / Russell | | | Porsche | 911 | | Porsche | GT3 |
| 16 | Weaver / Dyson / Forbes-Robinson / McCarthy | Dyson Racing Team, Inc. (USA) | | Riley & Scott | Mk III | | Ford | CA |
| 17 | Taylor / van de Poele / Velez | Doyle-Risi Racing (USA) | | Ferrari | 333 SP | | Ferrari | CA |
| 18 | Peter Kitchak | Toad Hall Motor Racing | | Porsche | 911 | | Porsche | GT3 |
| 19 | Davin / Montgomery | Davin Racing | | Kudzu | DLM | | Buick | CA |
| 20 | Leitzinger / Paul, Jr. / Forbes-Robinson / Schroeder | Dyson Racing Team, Inc. (USA) | | Riley & Scott | Mk III | | Ford | CA |
| 23 | Havens / Conte / Pilgrim / Holt / Lambert | Alex Job Racing (USA) | | Porsche | 993 Carrera | RSR | Porsche | GT3 |
| 24 | Kitch / Wolfkill / Sanborn / Cilli | Alex Job Racing (USA) | | Porsche | 911 Carrera | RSR | Porsche | GT3 |
| 27 | Goldin / Goldin / Thomas / Vallancourt | Goldin Brothers Racing | | Mazda | RX-7 | | Mazda | GT3 |
| 29 | Rosa / Viganó / Johnson / Overbagh | Overbagh Motor Racing (USA) | Hoyt Overbagh | Chevrolet | Camaro | IV | Chevrolet | GT2 |
| 30 | Moretti / Theys / Baldi / Luyendyk | Doran/Moretti Racing | | Ferrari | 333 SP | | Ferrari | CA |
| 32 | Heinricy / Acqualiante / McNeely / Rockwood / Weinberg | Phoenix American Motorsport | | Pontiac | Firebird | Formula | Pontiac | GT3 |
| 35 | Casadei / Garbagnati / Bucci / Ciani | McDill Racing (USA) | Richard McDill | Chevrolet | Camaro | IV | Chevrolet | GT1 |
| 36 | Matthews / Murry / Bell / Haywood | Colucci/Matthews Racing (USA) | | Riley & Scott | Mk III | | Ford | CA |
| 37 | Loftis / White / Strange / Howe | GTR Motorsports | | Porsche | 968 | GTR | Porsche | GT3 |
| 39 | Hurley Haywood | Colucci/Matthews Racing (USA) | | Riley & Scott | Mk III | | Ford | CA |
| 40 | Rankin / Scott / Jensen / Kempgens | Rankin Racing, Inc. (USA) | | Chevrolet | Camaro | IV | Chevrolet | GT1 |
| 41 | Cervelli / Wagner / Müller / Collins / Busby | Technodyne | | Porsche | 993 Carrera | RSR | Porsche | GT3 |
| 43 | Fellows / Dalmas / Wollek | Scandia Engineering (USA) | Andy Evans | Ferrari | 333 SP | | Ferrari | CA |
| 50 | McGlynn / Oppenheimer / Balbach / Johnson | Johnson Autosport Racing | J. Robert Johnson | Porsche | 911 Turbo | | Porsche | GT2 |
| 51 | McGlynn / Oppenheimer / Balbach / Johnson / Johnson | Johnson Autosport Racing | J. Robert Johnson | Porsche | 993 | | Porsche | GT3 |
| 53 | Scheuren / Pumpelly / Jones / Green | Diablo Racing (USA) | Tom Scheuren | Chevrolet | Camaro | IV | Chevrolet | GT1 |
| 54 | Neuman / Pilgrim / Hernandez / Borcheller / Adam | Bell Motorsports (USA) | James Bell | BMW | M3 | E36 | BMW | GT3 |
| 55 | Trejos / Ralston / Peterson | AASCO Performance | | Porsche | 911 Carrera | RSR | Porsche | GT3 |
| 59 | Gregg / Field / Sutherland / Brickell | Intersport Wheelworks Racing (USA) | | Spice | SC95 | | Oldsmobile | CA |
| 62 | Spencer / Thomas / Campbell / Grupp / Mirro | Downing/Atlanta, Inc. (USA) | | Kudzu | DLM | | Mazda | CA |
| 63 | Downing / Katz / Terada | Downing/Atlanta, Inc. (USA) | | Kudzu | DLM-4 | | Mazda | CA |
| 67 | Ronson / Pelke / Pelke / Papenburg / Newcombe / Newman | The Racers Group (USA) | Kevin Buckler | Porsche | 993 Carrera | RSR | Porsche | GT3 |
| 68 | Buckler / Collin / Bretzel / Dayton / Ronson | The Racers Group (USA) | Kevin Buckler | Porsche | 993 Carrera | RSR | Porsche | GT3 |
| 71 | Taylor / Velez | Doyle/Risi (USA) | | Ferrari | 333 SP | | Ferrari | CA |
| 74 | Robinson / Baldwin / Hoerr / Gooding | Robinson Racing Co., Inc. (USA) | | Oldsmobile | Aurora | | Chevrolet | GT1 |
| 76 | Doolin / Peeler / Willingham / Ruther | Team A.R.E. (USA) | Richard Raimist | Porsche | 993 Carrera | RSR | Porsche | GT3 |
| 77 | Greenberg / Drew / Nelson / Peter / Heffron | Grey Cliff, Inc. | Mark Greenberg | Porsche | 993 Carrera | RSR | Porsche | GT3 |
| 86 | Konig / Chambers / Urciuoli / Redman / Marshall | G & W Motorsports, Inc. (USA) | | Porsche | 993 Carrera | RSR | Porsche | GT3 |
| 95 | Volk / Schroeder | TRV Motorsport | | Kudzu | DL-4 | | Chevrolet | CA |
| 96 | Zitza / Wheeler / Davies | Olive Garden Racing | | Porsche | 993 | | Porsche | GT3 |
| 98 | Schumacher / Konrad / Ham | Konrad Motorsport (D) | Franz Konrad | Porsche | 993 GT2 | | Porsche | GT2 |
| 99 | Brabham / Bernard / Davies / Bundy / Boesel / Pruett / Wallace | Panoz-Visteon Racing (USA) | Don Panoz | Panoz | GTR-1 | | Ford | GT1 |