Teams total 575
| Name | From | To | Nationality |
|---|---|---|---|
| Costa de Almeria - Paternina | 2003 | 2004 |  |
| Vini Caldirola - Nobili Rubinetterie | 2004 | 2004 |  |
| 05 Orbitel | 2004 | 2004 |  |
| Formaggi Pinzolo Fiavè | 2004 | 2004 | |
| Panaria - Margres | 2004 | 2004 | |
| Beppi - Ovarense | 2004 | 2004 |  |
| LA - Pecol | 1998 | 2004 | |
| RAGT Semences - MG Rover | 2004 | 2004 |  |
| Bankgiroloterij | 2003 | 2004 |  |
| VC Frankfurt Radteam - Brügelmann | 2004 | 2004 |  |
| Illes Balears - Banesto | 2004 | 2004 | |
| US Postal Service - Berry Floor | 2003 | 2004 |  |
| Lampre I | 2003 | 2004 | |
| Chocolade Jacques - Wincor Nixdorf | 2004 | 2004 |  |
| Mr Bookmaker - Palmans | 2004 | 2004 | |
| Comunidad Valenciana - Kelme | 2004 | 2004 | |
| Acqua e Sapone I | 2004 | 2004 | |
| Café Baqué II | 2004 | 2004 | |
| Quick Step - Davitamon | 2003 | 2004 | |
| Oktos - St Quentin | 2004 | 2004 | |
| Saeco III | 2003 | 2004 | |
| Liberty Seguros I | 2004 | 2004 | |
| Alessio - Bianchi | 2004 | 2004 | |
| Lotto - Domo | 2003 | 2004 | |
| Milaneza - MSS | 2001 | 2003 | |
