| 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 |
| Patty Murray (D) - Washington | Lisa Murkowski (R) - Alaska | Mitch McConnell (R) - Kentucky |
| John McCain (R) - Arizona | Mel Martinez (R) - Florida | Richard Lugar (R) - Indiana |
| Trent Lott (R) - Mississippi | Mary Landrieu (D) - Louisiana | Jon Kyl (R) - Arizona |
| Johnny Isakson (R) - Georgia | 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 | Dianne Feinstein (D) - California |
| Russ Feingold (D) - Wisconsin | Michael Enzi (R) - Wyoming | John Ensign (R) - Nevada |
| Pete Domenici (R) - New Mexico | Elizabeth Dole (R) - North Carolina | 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 | Maria Cantwell (D) - Washington | Robert Byrd (D) - West Virginia |
| Richard Burr (R) - North Carolina | Conrad Burns (R) - Montana | Jim Bunning (R) - Kentucky |
| Sam Brownback (R) - Kansas | Christopher Bond (R) - Missouri | Robert Bennett (R) - Utah |
| George Allen (R) - Virginia | Wayne Allard (R) - Colorado | Lamar Alexander (R) - Tennessee |
| Craig Thomas (R) - Wyoming | John Thune (R) - South Dakota | David Vitter (R) - Louisiana |
| George Voinovich (R) - Ohio | John Warner (R) - Virginia |
