| Team | Team code | Nat. | Leader | Sporting Manager | www | Groupset | Wheel |
|---|---|---|---|---|---|---|---|
| AG2R Prévoyance | A2R | FRA | Christophe MOREAU | Vincent LAVENU | www.ag2r-cyclisme.com | Campagnolo | Penta |
| Agritubel | AGR | FRA | Juan Miguel MERCADO | Denis LEPROUX | www.agritubel-cycling.com | Shimano | Shimano |
| Astana | AST | SUI | Alexandre VINOKOUROV | Walter GODEFROOT | www.team-astana.eu | Campagnolo | Easton |
| Barloworld | BAR | GBR | Robert HUNTER | Claudio CORTI | www.teambarloworld.com | Cannondale/Campagnolo | Mavic |
| Bouygues Telecom | BTL | FRA | Thomas VOECKLER | Jean-René BERNAUDEAU | www.equipebouyguestelecom.fr | Campagnolo | Mavic |
| Caisse d'Épargne | GCE | ESP | Alejandro VELVERDE | José Miguel ECHAVARRI | www.cyclisme-caisse-epargne.fr | Campagnolo | Campagnolo |
| Cofidis, le Crédit par Téléphone | COF | FRA | Sylvain CHAVANEL | Éric BOYER | www.equipe-cofidis.com | Campagnolo | Fulcrum |
| Crédit Agricole | C.A | FRA | Thor HUSHOVD | Roger LEGEAY | www.au-veloclubdeparis.fr | Shimano | Shimano |
| Team CSC | CSC | DEN | Carlos SASTRE | Bjarne RIIS | www.team-csc.com | FSA | Zipp |
| Discovery Channel Pro Cycling Team |
DSC | USA | Alberto CONTADOR | Johan BRUYNEEL | team.discovery.com | Shimano | Bontrager |
| Euskaltel - Euskadi | EUS | ESP | Haimar ZUBELDIA | Miguel MADARIAGA | www.fundacioneuskadi.com | Shimano | Shimano |
| Française des Jeux | FDJ | FRA | Sandy CASAR | Marc MADIOT | cyclisme.fdjeux.com | Shimano | Shimano |
| Gerolsteiner | GST | GER | Markus FOTHEN | Hans-Michael HOLCZER | www.gerolsteiner.de | Shimano | Shimano |
| Lampre - Fondital | LAM | ITA | Tadej VALJAVEC | Giuseppe SARONNI | www.lampre-fondital.com | Campagnolo | Fulcrum |
| Liquigas | LIQ | ITA | Filippo POZZATO | Roberto AMADIO | www.teamliquigas.com | Campagnolo | Fulcrum |
| Milram | MRM | ITA | Mirko CELESTINO | Gianluigi STANGA | www.team-milram.com | Shimano | Shimano |
| Predictor - Lotto | PRL | BEL | Cadel EVANS | Marc SERGEANT | www.davitamon-lotto.com | Campagnolo | Campagnolo |
| Quick Step - Innergetic | QSI | BEL | Tom BOONEN | Patrick LEFÉVÈRE | www.qsi-cycling.com | Campagnolo | Roval |
| Rabobank | RAB | NED | Denis MENCHOV | Theo DE ROOY | www.rabobank.nl/wielrennen | Shimano | Shimano |
| Saunier Duval - Prodir | SDV | ESP | David MILLAR | Mauro GIANETTI | www.saunierduval-prodir.com | SRAM | Mavic |
| T-Mobile Team | TMO | GER | Patrik SINKEWITZ | Bob STAPLETON | www.t-mobile-team.com | Shimano | Shimano |