| Squadra | Nazione | Anno | Direttore Sportivo | |
| 1 | 7 Up | USA | 1998 | - |
| 2 | Acceptcard Pro Cycling | DEN | 1998 | SORENSEN Brian Holm, BAY Thomas (Ass.), MORTENSEN Leif (Ass.) |
| 3 | Agro Adler - Brandenburg | GER | 1998 | MEIER Dirk, NEUMANN Annett (Ass.), SCHMIDT (Ass.), THOMS Lothar (Ass.), WOLKE Achmed (Ass.) |
| 4 | Aguardiente Nectar | COL | 1998 | - |
| 5 | Amore & Vita - Forzacore | ITA | 1998 | - |
| 6 | Asics - CGA | ITA | 1998 | PARSANI Sergio, TURCHETTI Pietro, CHIESA Mario (Ass.) |
| 7 | Avianca - Telecom | COL | 1998 | JARAMILLO MESA Carlos Mario, MESA OROZCO José Raul |
| 8 | Ballan | ITA | 1998 | MIOZZO Flavio, MARIUZZO Dario (Ass.) |
| 9 | Banesto | ESP | 1998 | ECHEVERRI GARCIA José Miguel, GALILEA ZURBANO Alfonso (Ass.), JAIMERENA LAURNAGARAY José Luis (Ass.), UNZUE LABIANO Eusebio (Ass.) |
| 10 | Bedogni | ITA | 1998 | Trinci Giuseppe |
| 11 | BigMat - Auber 93 | FRA | 1998 | JAVALET Stéphane, DUBOIS Pascal (Ass.), HENRY Jean-Jacques (Ass.) |
| 12 | Brescialat - Liquigas | ITA | 1998 | PERINI Giancarlo, ZANDEGU Dino (Ass.) |
| 13 | Brite Voice | GBR | 1998 | LAMBERT Keith, YATES Sean, LE GRYS Dave |
| 14 | Cadore Ast Pisani | ITA | 1998 | - |
| 15 | Cantina Tollo - Alexia Alluminio | ITA | 1998 | GINI Franco, PETITO Giuseppe, MASCIARELLI Palmiro (Ass.) |
| 16 | Casino - Ag2r | FRA | 1998 | LAVENU Vincent, BIONDI Laurent (Ass.), MAS Gilles (Ass.) |
| 17 | CC Etupes | FRA | 1998 | DOUCOT Jean-Pierre, VICHOT Max (Ass.) |
| 18 | Chicky World | DEN | 1998 | ANDERSEN Kim |
| 19 | Ciclistas de Jesuscristo | COL | 1998 | - |
| 20 | Cofidis, le crédit par téléphone | FRA | 1998 | QUILFEN Bernard, DELEUIL Alain (Ass.), VANLONDERSELE Francis (Ass.( |
| 21 | Collstrop - Zeno Protect | BEL | 1998 | VAN DER SCHUEREN Hilaire, LANDUYT Luc (Ass.) |
| 22 | Colorado Cyclist | USA | 1998 | - |
| 23 | Crédit Agricole | FRA | 1998 | BEUCHERIE Serge (Ass.), LAURENT Michel (Ass.), LEGEAY Roger (Ass.), ROUX Denis (Ass.) |
| 24 | Cuoio e Pelli | ITA | 1998 | Balestri Maurizio |
| 25 | Deutsche Telekom - Ard | GER | 1998 | GODEFROOT Walter, PEVENAGE Rudi (Ass.), VAN LOOY Francois (Ass.) |
| 26 | Diamond Back | GBR | 1998 | - |
| 27 | Die Continentale - Olympia | GER | 1998 | SCHLEICHER Markus, GRONE Bernd (Ass.), SCHENK Michael (Ass.) |
| 28 | Dukla Praha | CZE | 1998 | - |
| 29 | EC Saint-Etienne - Loire | FRA | 1998 | |
| 30 | EC Toul | FRA | 1998 | - |
| 31 | Ellsworth | USA | 1998 | - |
| 32 | Erdol Chemie Bayer - Worringen | GER | 1998 | GOGOLL Stefan, DONIKE Andreas (Ass.) |
| 33 | Ericsson - Villiger | SUI | 1998 | SENN Olivier, GLOOR Roland (Ass.) |
| 34 | Espace Card - S.E.F.B. | BEL | 1998 | - |
| 35 | Estepona en Marcha - Brepac | ESP | 1998 | PEREZ MONTERO Maximino, GRANDE SANCHEZ José, SUAREZ CUEVA Jesus |
| 36 | Euskaltel - Euskadi | ESP | 1998 | GOROSPE ARTABE Julian, AMEZAGA ORRANTIA Tomas (Ass.) |
| 37 | Fenioux - Tokai | FRA | 1998 | - |
| 38 | Festina - Lotus | FRA | 1998 | ROUSSEL Bruno, GROS Michel, MORENO CACHINERO Miguel, TORRES TOLEDANO Roberto (Ass.) |
| 39 | Fimafra - Frutas A.B. | POR | 1998 | - |
| 40 | For 3 | ITA | 1998 | - |
| 41 | G.S. Brunero | ITA | 1998 | DAMILANO Giuseppe |
| 42 | G.S. Carbonio Gomme | ITA | 1998 | - |
| 43 | G.S. Grassi - Mapei | ITA | 1998 | MASSIMI Marcello |
| 44 | G.S. Maglificio MG Boys | ITA | 1998 | - |
| 45 | G.S. MG Boy's | ITA | 1998 | - |
| 46 | G.S. Podenzano - Italfine | ITA | 1998 | BIONDI Cesare |
| 47 | G.S. Promociclo | ITA | 1998 | COLO' Paolo |
| 48 | G.S. Riello | ITA | 1998 | - |
| 49 | G.S. Sintofarm Vigorplast | ITA | 1998 | FINA Rosario |
| 50 | G.S. Tasselli Elematic | ITA | 1998 | - |
RSS
