| 1 | Kumpen / Longin / Hillebrand / Duez | GLPK Racing (B) | | Chrysler | Viper | GTS-R | Chrysler | GTA |
| 2 | Kuismanen / Vosse / Huisman / Alamäki | Kuismanen Competition (FIN) | | Chrysler | Viper | GTS-R | Chrysler | GTA |
| 3 | Maes / Tanghe / Verbist / Castelein | RS Motors | | Porsche | 996 Bi-Turbo | | Porsche | GTA |
| 4 | Menten / Bouvy / Loix | PSI Motorsport (B) | Christian Schumacher | Porsche | 996 GT3-RS | | Porsche | GTA |
| 5 | Mollekens / Palttala / Radermecker / Van Sande | PSI Motorsport | | Porsche | 996 Bi-Turbo | GT2-R | Porsche | GTA |
| 6 | Wauters / Wauters / Bruynoghe / Schreurs | AD Sport | | Porsche | 996 Bi-Turbo | | Porsche | GTA |
| 7 | Goossens / Hart / Verheyen / Heylen | Selleslagh Racing Team (B) | Patrick Selleslagh | Chevrolet | Corvette C5 | -R | Chevrolet | GTA |
| 8 | Vetters / De Vos / Van der Made / Meulders | H&M Racing | | Porsche | 996 | | Porsche | G |
| 9 | Moonen / van Dyck / van Audenhove / Steenbergen | Ham Car | | Porsche | 996 Bi-Turbo | | Porsche | GTA |
| 10 | Mattheus / Loix / Lohr | TT Racing | | Audi | TT | | Audi | GTA |
| 15 | Noorman / Euser / Van Dongen / Bleekemolen | Eurotech Racing | | Marcos | Mantis | | | GTA |
| 17 | Dumarey / Dumarey / Dumarey | GPR Racing | | Porsche | 996 GT3 Cup | | Porsche | G |
| 21 | Thiers / Thiers / Van Mol / Vanmoerkerke | Oosterlinck Motorsport | | Porsche | 996 GT3-RS | | Porsche | G |
| 22 | Verhoeven / Boden / Baguette | Speedlover | | Porsche | 996 GT3 Cup | | Porsche | GTB |
| 23 | Meert / Van de Plas / Jacobs | Speedlover | | Porsche | 996 GT3 Cup | | Porsche | GTB |
| 24 | van Hover / Coenen / Vermeiren | Speedlover | | Porsche | Boxster | 986 | Porsche | GTB |
| 25 | Vollebergh / De Laet / Van Rossem / Leinders | Markant Racing | | Porsche | 996 GT3-RSR | | Porsche | GTB |
| 27 | van Hoepen / van Riet / Kruidenier / Langeberg | Markant Racing | | Porsche | 996 GT3 Cup | | Porsche | GTB |
| 28 | Verdonck / Lumbeeck / Daelemans / Schuybroeck | G&A Racing | | BMW | Z3 | M Coupé GT | BMW | GTB |
| 29 | Vanierschot / Verbergt / Hemroulle / Daniels | AD Sport | | Porsche | 996 GT3-RS | | Porsche | GTB |
| 30 | de Gastines / Turco / Tonet / Gonnissen | GPR Racing | | Porsche | 996 GT3-RS | | Porsche | GTB |
| 31 | Lamot / Penders / Couwberghs / Dujardyn | TT Racing | | Porsche | 996 GT3-RS | | Porsche | GTB |
| 32 | Ceusters / Metior / Jacobs / Schrauwen | S&P Racing | | Porsche | 996 GT3-R | | Porsche | GTB |
| 33 | Qvick / Geoffroy / Van Delm / Chouvel | Qvick Motors Racing | | Ultima | GTR | | | GTB |
| 34 | Derdaele / de Wit / Empsen / Verhoeven | Belgium Racing (B) | | Ultima | GTR | | | GTB |
| 35 | Gabriël / Bouillon / Tavernier / Leybaert | Luc Gabriël | | Porsche | 996 Bi-Turbo | | Porsche | G |
| 36 | Jeuris / Leest / Van Roey / Beliën | First Motorsport | | Porsche | 996 GT3 Cup | | Porsche | GTB |
| 37 | Van Loo / Van Rompuy / Jamers / Haane | First Motorsport | | Porsche | 996 GT3 Cup | | Porsche | GTB |
| 38 | Janssen / Raus / Raus / Stielstra | Ham Car | | Porsche | 996 GT3-R | | Porsche | GTB |
| 39 | Vancraeynest / Grutman / Cook / Pelle | DGR Coast Racing | | Porsche | 996 GT3 | | Porsche | GTB |
| 40 | Maton / Bonnaerens / Sluys / Meys | NGT Racing | | Porsche | 996 GT3 Cup | | Porsche | GTB |
| 42 | Van der Broeck / Lémeret / Herman / Cloet | AD Sport | | Porsche | 996 GT3-R | | Porsche | G |
| 43 | van Herck / van Herck / Aerts | Van Herck Racing | Werner van Herck | Mazda | RX-7 | | Mazda | GTB |
| 44 | Happé / Moritz / Swart | Moritz Racing (NL) | | Marcos | Mantis | | | GTA |
| 46 | Soulet / Moury / Campbell / André | BPO Racing | | Porsche | 996 GT3 Cup | | Porsche | G |
| 47 | Buskens / Kolen / van der Heuvel / Verjans | B&S Racing Performance | | Saker | Sprint GT | | | GTB |
| 57 | Houbben / Matot / Smolderen | Speedlover | | Porsche | 993 | | Porsche | G |
| 59 | Nelissen-Grade / Van den Branden / Van Hoof | JES Competition | | Porsche | 996 GT3 Cup | | Porsche | G |
| 61 | Fumal / Leyssens / Van Bellingen / Vandermaesen | KS Motorsport | | BMW | E46 | | BMW | SIL |
| 62 | Moonens / Werckx / van Gorp / Lippens | KS Motorsport | | BMW | E46 | | BMW | SIL |
| 71 | Beliën / Jakobs / Colman / Brinkmann | Beliën Motorsport | | BMW | M3 | E46 GTR | BMW | TA |
| 72 | Severich / Steinberg / Neyens | GS Motorsport | | BMW | M3 | E46 GTR | BMW | TA |
| 74 | Carlier / van der Straten / Pauwels / Pasteels | Carlier Racing | | BMW | M5 | E34 | BMW | TA |
| 75 | De Keersmaecker / Smets / Kenis / Coekelbergs | G&A Racing | | BMW | M3 | E46 | BMW | TA |
| 91 | Josten / Cracco / Muytjens | GS Motorsport | | BMW | M3 | E46 | BMW | TB |
| 92 | de Hoen / Essers / Grouwels / Wijnen | Brother Racing | | BMW | M3 | E46 | BMW | TB |
| 93 | De Coster / Broodcooren / Van Asch | Belgium Racing | | BMW | E36 | | BMW | TB |
| 94 | Beckers / Raes / van Samang / van Samang | M-S-E | | BMW | M3 | E36 | BMW | TA |
| 95 | Moore / Cox / Cloet | Moore Int. Motorsport | | BMW | M3 | E46 | BMW | TB |
| 97 | Van de Velde / Ickx / Grifnée / Uljee | Daikin Racing Team | | Mini | Cooper | S3 | | TB |
| 98 | Van der Kolk / Ambaum / Köhler / Thuis | Dunlop Extreme Team | | BMW | E46 | Compact | BMW | TB |