| John Warner (R) - Virginia | George Voinovich (R) - Ohio | David Vitter (R) - Louisiana |
| John Thune (R) - South Dakota | Craig Thomas (R) - Wyoming | James Talent (R) - Missouri |
| John Sununu (R) - New Hampshire | Ted Stevens (R) - Alaska | Arlen Specter (R) - Pennsylvania |
| Olympia Snowe (R) - Maine | Gordon Smith (R) - Oregon | Richard Shelby (R) - Alabama |
| Jeff Sessions (R) - Alabama | Rick Santorum (R) - Pennsylvania | Pat Roberts (R) - Kansas |
| Ben Nelson (D) - Nebraska | Lisa Murkowski (R) - Alaska | Mitch McConnell (R) - Kentucky |
| John McCain (R) - Arizona | Mel Martinez (R) - Florida | Richard Lugar (R) - Indiana |
| Trent Lott (R) - Mississippi | Jon Kyl (R) - Arizona | Tim Johnson (D) - South Dakota |
| Johnny Isakson (R) - Georgia | James Inhofe (R) - Oklahoma | Kay Bailey Hutchison (R) - Texas |
| Orrin Hatch (R) - Utah | Chuck Hagel (R) - Nebraska | Judd Gregg (R) - New Hampshire |
| Chuck Grassley (R) - Iowa | Lindsey Graham (R) - South Carolina | William Frist (R) - Tennessee |
| Michael Enzi (R) - Wyoming | John Ensign (R) - Nevada | Pete Domenici (R) - New Mexico |
| Elizabeth Dole (R) - North Carolina | Mike DeWine (R) - Ohio | Jim DeMint (R) - South Carolina |
| Mike Crapo (R) - Idaho | Larry Craig (R) - Idaho | John Cornyn (R) - Texas |
| Susan Collins (R) - Maine | Norm Coleman (R) - Minnesota | Thad Cochran (R) - Mississippi |
| Tom Coburn (R) - Oklahoma | Saxby Chambliss (R) - Georgia | John Chafee (R) - Rhode Island |
| Thomas Carper (D) - Delaware | Richard Burr (R) - North Carolina | Conrad Burns (R) - Montana |
| Jim Bunning (R) - Kentucky | Sam Brownback (R) - Kansas | Christopher Bond (R) - Missouri |
| Jeff Bingaman (D) - New Mexico | Joseph Biden (D) - Delaware | Robert Bennett (R) - Utah |
| Max Baucus (D) - Montana | George Allen (R) - Virginia | Wayne Allard (R) - Colorado |
| Lamar Alexander (R) - Tennessee |
