| 00 | Coppelli / *Agusta / *Rosenblad | Agusta Racing (GB) | | Callaway | Corvette | LM600 | Chevrolet | GTS-2 |
| 01 | Rohr / Pilgrim / Grohs / Meier | Rohr Corp. (USA) | Jochen Rohr | Porsche | 993 GT2 | R | Porsche | GTS-1 |
| 02 | Dan Clark | Screaming Eagles Racing (USA) | | Spice | SE90 | | Lexus | WSC |
| 03 | de Craene / Brown / Layer / Ligonnet | Roock Racing (D) | Fabian Roock | Porsche | 993 GT2 | | Porsche | GTS-2 |
| 04 | Johnson / Johnson / Schmidt / Schmidt | Max Schmidt | Max Schmidt | Porsche | 911 Carrera | RSR | Porsche | GTS-3 |
| 05 | Hays / Eisenlohr / Rebeil / Stitt / Wheeler | Auto Sport South | | Porsche | 993 | | Porsche | GTS-3 |
| 07 | Worth / Potolicchio / Brown / Bogusz | Pettit Racing | Cameron Worth | Mazda | RX-7 | Turbo | Mazda | GTS-3 |
| 09 | Kong / Miller / Rice / Neville | Rice Racing | | Pontiac | Grand Prix | | Pontiac | GTS-1 |
| 1 | Taylor / Sharp / van de Poele | Doyle Racing/Riley & Scott (USA) | | Riley & Scott | Mk III | | Oldsmobile | WSC |
| 2 | Nelson / Montgomery / Clark / Brassfield | Screaming Eagles Racing | | Riley & Scott | Mk III | | Ford | WSC |
| 3 | Velez / Evans / Morgan / Morgan | Team Scandia (USA) | Andy Evans | Ferrari | 333 SP | | Ferrari | WSC |
| 4 | Dibos / Pace / Waddell / *Taylor | Dibos Racing (PE) | | Riley & Scott | Mk III | | Oldsmobile | WSC |
| 5 | Dean / Baldwin / Burgess / Willingham | Doug Trott (CDN) | | Porsche | 911 | | Porsche | GTS-3 |
| 6 | Fergus / Finger / Marvin / Said / Hill / *Hessert | Prototype Technology Group (USA) | | BMW | M3 | E36 | BMW | GTS-3 |
| 7 | Oestreich / Duez / Quester / Said | Prototype Technology Group (USA) | | BMW | M3 | E36 | BMW | GTS-3 |
| 8 | Camferdam / O'Connell / Schubot / Mandeville | Support Net Racing | | Hawk | C-8 | | Chevrolet | WSC |
| 9 | Ekblom / *Cottaz / *Policand | Courage Competition (F) | | Courage | C41 | | Chevrolet | WSC |
| 10 | Quiros / Hill / Said / Auberlen / Hessert | Prototype Technology Group (USA) | | BMW | M3 | E36 | BMW | GTS-3 |
| 12 | Fairbanks / Ham / Cottrell / Neuhaus / Gleason | Rick Fairbanks (USA) | | Porsche | 964 | | Porsche | GTS-3 |
| 15 | Gschwender / Puleo / *Kennedy / *Urrutia | Anthony Puleo (USA) | Anthony Puleo | Chevrolet | Camaro | IV | Chevrolet | GTS-1 |
| 16 | Wallace / Paul, Jr. / Leitzinger / Weaver | Dyson Racing (USA) | | Riley & Scott | Mk III | | Ford | WSC |
| 17 | Pilla / Kimbrough / Kicak | Art Pilla | | Porsche | 993 GT2 | Evo | Porsche | GTS-1 |
| 19 | Montgomery / Davin / Brickell / *"Rael" | Davin Racing | | Argo | P | | BMW | WSC |
| 20 | Forbes-Robinson / Schneider / Dyson / Paul, Jr. / Leitzinger / Wallace / Weaver | Dyson Racing (USA) | | Riley & Scott | Mk III | | Ford | WSC |
| 22 | Reisman / Reisman / *Lewis / *Norton | Paul Reisman | | Chevrolet | Camaro | | Chevrolet | GTS-3 |
| 24 | Kitch / Bingham / Hanauer / Lyford / Sanborn | Alex Job Racing/Team Seattle (USA) | Alex Job | Porsche | 993 | | Porsche | GTS-3 |
| 25 | Purner / Lingner / Groff / Slater | Alex Job Racing (USA) | Alex Job | Porsche | 964 Carrera | RSR 3.8 | Porsche | GTS-3 |
| 26 | Lazzaro / Bretzel / Conte / Cilli | Alex Job Racing (USA) | | Porsche | 993 | | Porsche | GTS-3 |
| 27 | Polani / Giarotti / Rosa / Johnson / De Iturbe | Hoyt Overbagh (USA) | Hoyt Overbagh | Chevrolet | Camaro | IV | Chevrolet | GTS-1 |
| 28 | Field / Smith / Thomas / Mirro / Ferguson | FAB Factory Motorsport (USA) | | Spice | SC95 | | Oldsmobile | WSC |
| 29 | Caffi / Capelli / Montani / Rosa | Target 24 (I) | Montani Fabio | Riley & Scott | Mk III | | Oldsmobile | WSC |
| 30 | Moretti / Hermann / Bell / Theys | Moretti Racing (I) | | Ferrari | 333 SP | | Ferrari | WSC |
| 31 | Wollek / Dalmas / Rössler / Konrad | Konrad Motorsport (D) | Franz Konrad | Porsche | 993 GT2 | | Porsche | GTS-2 |
| 32 | Goldin / Goldin / Montgomery / Shuster | Steve Goldin | | Mazda | RX-7 | | Mazda | GTS-3 |
| 33 | Mirro / Kuttner / Thomas / Smith / Ferguson | FAB Factory Motorsport (USA) | Fabian Dressler | Kudzu | DG-2 | WSC | Buick | WSC |
| 34 | Vallancourt / Corbin / *Evans / *Lasally / *Boidron | Todd Vallancourt | | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 35 | McDill / Juckette / Biava / McDill | Richard McDill (USA) | Richard McDill | Chevrolet | Camaro | IV | Chevrolet | GTS-1 |
| 36 | Hayner / Heinricy / Miller / Michaelian | Phoenix American Motorsports | | Pontiac | Firebird | | Pontiac | GTS-3 |
| 37 | Casadei / Bucci / Ciani / Garbagnati | Hoyt Overbagh | Hoyt Overbagh | Chevrolet | Camaro | IV | Chevrolet | GTS-1 |
| 38 | Schroeder / Cunningham / Green / *Hein / *Loebel | Mark Hein | | Acura | NSX | | Acura | GTS-3 |
| 39 | Matthews / Haywood / Murry / Bundy | Jim Mathews Racing | | Porsche | 993 | | Porsche | GTS-3 |
| 40 | Thiers / Schoysman / Hemroulle / Cohen | Paul Kumpen (B) | | Porsche | 911 | | Porsche | GTS-3 |
| 41 | Cervelli / Busby / Anderson / *Basakinci | Team Technodyne | | Porsche | 993 Carrera | RSR | Porsche | GTS-3 |
| 42 | Freeman / Gregg / Duffy | Jarett Freeman | | Porsche | 993 | | Porsche | GTS-3 |
| 44 | Stewart / Creger / Bourassa / Finger | Brad Creger | | Mazda | RX-7 | | Mazda | GTS-3 |
| 45 | Goodyear / Davies / Luyendyk | Davies Motorsports (USA) | Ed Davies | Porsche | 993 Turbo | | Porsche | GTS-1 |
| 46 | Lees / Needell / Reid | Lister Storm Racing (GB) | | Lister | Storm | GTS | Jaguar | GTS-1 |
| 47 | Longhi / Kohler / Turner / Safina / Smith / Lapcevich | T-F Racing | | Saleen | Mustang | | Ford | GTS-2 |
| 49 | Shaver / *Willes / *Varde | Dan Shaver | | Chevrolet | Camaro | | Chevrolet | GTS-1 |
| 50 | Taels / Cremer / *Kumpen / *Vanierschot | Paul Kumpen | Paul Kumpen | Porsche | 911 | | Porsche | GTS-3 |
| 51 | Trenery / Bryant / Pattinson / van Schoote / *Norton | Fantasy Junction | | Chevrolet | Monte Carlo | | Chevrolet | GTS-1 |
| 52 | Kryder / Del Vecchio / Heinkélé / Green | Kryderacing (USA) | | Nissan | 240SX | | Nissan | GTS-3 |
| 53 | Rohr / Michelotti / Lay / Sick | Rohr Corp. (CH) | | Porsche | 964 Carrera | RSR 3.8 | Porsche | GTS-3 |
| 54 | Spenard / Ruther / Lane / Trott / Baldwin / Willingham | Doug Trott (CDN) | | Porsche | 993 Cup | 3.8 RSR | Porsche | GTS-3 |
| 55 | Calderari / Bryner / Lohr / Richter | Stadler Motorsport (CH) | Mathias Stadler | Porsche | 964 Carrera | RSR 3.8 | Porsche | GTS-3 |
| 56 | Snow / Kitchak / Lintott / Ollila | Martin Snow (USA) | Martin Snow | Porsche | 993 GT2 | | Porsche | GTS-2 |
| 57 | Kryder / Beck / Reuscher / Holtkamp / Morrison | Kryderacing (USA) | | Nissan | 240SX | | Nissan | GTS-3 |
| 58 | Collin / Brouchier / Borella / Cattaneo / Shalala / Tradd | Protechnik Racing (USA) | Sam Shalala | Porsche | 993 | | Porsche | GTS-3 |
| 60 | Trinkler / Quintanilla / Ward / *Kopf | Kopf Precision Race Products Team (USA) | | Keiler | KII | | Ford | WSC |
| 61 | Euser / *Netzebrand / *Ploeg / *Kaufmann / *Dolejší | Konrad Motorsport (D) | Franz Konrad | Porsche | 993 GT2 | | Porsche | GTS-2 |
| 62 | Scheuren / Hitt / Jones / Green | Diablo Racing (USA) | Tom Scheuren | Chevrolet | Camaro | III | Chevrolet | GTS-1 |
| 63 | McAdam / Terada / Castellano / Downing | Downing/Atlanta Racing (USA) | | Kudzu | DLM | | Mazda | WSC |
| 64 | Butt / Higgs / McTureous / King | Mel A. Butt (USA) | Mel Butt | Chevrolet | Camaro | III | Chevrolet | GTS-1 |
| 65 | Schirle / Saleen / Warnock / Allen | Saleen Allen Speedlab (USA) | | Saleen | Mustang | | Ford | GTS-2 |
| 66 | Marshall / Marshall | G & W Motorsports | | Porsche | 964 | | Porsche | GTS-3 |
| 67 | Cobb / Andrews / Rizzo / Warnock / Schirle / Allen | Saleen Allen Speedlab (USA) | | Saleen | Mustang | | Ford | GTS-2 |
| 68 | Buckler / Nearburg / Rees / Seipp | The Racers Group (USA) | Kevin Buckler | Porsche | 993 | | Porsche | GTS-3 |
| 69 | Ralston / Gamroth / Trejos / Shelton | Jorge Trejos | | Porsche | 993 | | Porsche | GTS-3 |
| 70 | Dujardyn / Wauters / Wauters / Herreman | AD Sport | | Porsche | 993 GT2 | | Porsche | GTS-2 |
| 71 | Said / Unser / Bertaggia / Fellows | Johnny Unser | | Callaway | C7-R | | Chevrolet | GTS-1 |
| 72 | Tim Banks | Tim Banks (USA) | | Chevrolet | Corvette C4 | | Chevrolet | GTS-1 |
| 73 | Taleb / Lluch / Mathewson / Knollenberg / *Lewis | Jack Lewis Enterprises | | Porsche | 993 Carrera | RSR | Porsche | GTS-3 |
| 74 | Stuck / Adam / Boutsen | Champion Porsche (USA) | Dave Maraj | Porsche | 993 GT2 | Evo | Porsche | GTS-1 |
| 75 | Robinson / Hoerr / Baldwin / Sifton | Robinson Racing (USA) | | Oldsmobile | Aurora | | | GTS-1 |
| 76 | Collins / Doolin / Peeler / Wagner | Team A.R.E. (USA) | Richard Raimist | Porsche | 993 Carrera | RSR | Porsche | GTS-3 |
| 77 | Cohen / Halsmer / Morton / Tremblay / *Brown | Mattco Racing (USA) | Matthew Cohen | BMW | M3 | E36 | BMW | GTS-3 |
| 78 | Velasquez / Blackman / Dente / Gray | Team A.R.E. (USA) | Richard Raimist | Porsche | 964 Carrera | RSR | Porsche | GTS-3 |
| 79 | Tim Banks | Tim Banks | | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 80 | Maugeri / Penton / Debartelobeu / Perelle | David Perelle (USA) | David Perelle | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 81 | Sherwood / Millard / Hardman / Greensall | Graham Williams | | ProSport | 3000 Spyder | | Ford | WSC |
| 82 | Collins / Hilliar / Moon / Drew / Crilly | | | Porsche | 911 | | Porsche | GTS-3 |
| 83 | Brancatelli / Drudi / Pagotto / Mastropietro / Margueron | GT Racing Team | | Porsche | 911 | | Porsche | GTS-3 |
| 84 | Meloni / Van Sande | Luigino Pagotto | | Porsche | 911 | | Porsche | GTS-3 |
| 85 | Gleason / Tromans / Gratton / MacQuillan | Chamberlain Engineering (GB) | Hugh Chamberlain | Porsche | 993 GT2 | R | Porsche | GTS-2 |
| 86 | Marshall / Urciuoli / Chambers / Konig | G & W Motorsports | | Porsche | 993 Cup | | Porsche | GTS-3 |
| 87 | Annis / Toombs / Tilbor / Funk / Scharf / Donovan | John Annis | | Chevrolet | Camaro | | Chevrolet | GTS-1 |
| 88 | Bentley / Sullivan / Jones / *Buhl | MSI Racing | | Riley & Scott | Mk III | | Chevrolet | WSC |
| 90 | Petery / Delano / O'Kennedy / Carter | Road Circuit Technology | | Oldsmobile | Cutlass | Supreme | | GTS-1 |
| 91 | Schramm / Hayner / Heinricy / Miller | Rock Valley Oil & Chemical Co. | | Chevrolet | Camaro | | Chevrolet | GTS-1 |
| 92 | Boissoneau / Goebel / Pettigrew / Loring / Argetsinger | RAE Motorsports | | Mazda | RX-7 | | Mazda | GTS-3 |
| 94 | Beretta / Archer / Dupuy | Viper Team Oreca (F) | Hugues de Chaunac | Chrysler | Viper | GTS-R | Dodge | GTS-1 |
| 95 | Volk / Bell / Cooper / Fréon | TRV Motorsports | | Kudzu | DL-4 | | Chevrolet | WSC |
| 96 | Reis / Augustin / Jurasz / Ried / Bodis / *Gschwender | Proton Competition (D) | Gerold Ried | Porsche | 993 GT2 | R | Porsche | GTS-3 |
| 97 | Dören / Van Sande / Scheer / Neutag | Klaus Scheer | | Porsche | 993 GT2 | Evo | Porsche | GTS-1 |
| 98 | Schumacher / O'Steen / Pace / Nearn | Schumacher Racing (USA) | | Porsche | 911 Carrera | RSR | Porsche | GTS-2 |
| 99 | Kelleners / Hürtgen / Goueslard / Ahrlé | Roock Racing (D) | Fabian Roock | Porsche | 993 GT2 | | Porsche | GTS-2 |