Teams total 575
| Name | From | To | Nationality |
|---|---|---|---|
| Mercatone Uno - Bianchi | 1998 | 1999 |  |
| Cantina Tollo - Alexia Alluminio | 1998 | 1999 | |
| Casino - AG2R | 1998 | 1998 |  |
| Linda McCartney | 1998 | 2001 |  |
| Mobilvetta - Northwave | 1998 | 1999 | |
| Vini Caldirola - Longoni Sport | 1998 | 1998 | |
| Ros Mary - Amica Chips | 1998 | 1998 | |
| LA - Pecol | 1998 | 2004 |  |
| Vitalicio Seguros - Grupo Generali | 1998 | 2000 |  |
| Mapei - Bricobi | 1998 | 1998 | |
| Crédit Agricole | 1998 | 2008 | |
| Euskaltel - Euskadi | 1998 | 2013 | |
| Riso Scotti - MG Maglificio | 1998 | 1998 | |
| Palmans - Ideal | 1998 | 2000 |  |
| Brescialat - Liquigas | 1998 | 1998 | |
| Home - Jack and Jones | 1998 | 1999 |  |
| Chicky World | 1998 | 1999 | |
| Gerolsteiner | 1998 | 2008 |  |
| Amica Chips - Costa de Almeria | 1999 | 1999 | |
| Amore e Vita - Beretta | 1999 | 2005 | |
| De Nardi - Pasta Montegrappa | 1999 | 2002 |  |
| Riso Scotti - Vinavil | 1999 | 1999 | |
| Ballan - Alessio | 1999 | 1999 | |
| Liquigas I | 1999 | 1999 | |
| Saeco - Cannondale | 1999 | 1999 | |
