| 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 | Debbie Stabenow (D) - Michigan | Arlen Specter (R) - Pennsylvania |
| Olympia Snowe (R) - Maine | Gordon Smith (R) - Oregon | Richard Shelby (R) - Alabama |
| Jeff Sessions (R) - Alabama | Rick Santorum (R) - Pennsylvania | John Rockefeller (D) - West Virginia |
| Pat Roberts (R) - Kansas | Ben Nelson (D) - Nebraska | Bill Nelson (D) - Florida |
| Lisa Murkowski (R) - Alaska | John McCain (R) - Arizona | Mel Martinez (R) - Florida |
| Richard Lugar (R) - Indiana | Trent Lott (R) - Mississippi | Blanche Lincoln (D) - Arkansas |
| Mary Landrieu (D) - Louisiana | 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 |
| 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 |
| Mike DeWine (R) - Ohio | Jim DeMint (R) - South Carolina | Mark Dayton (D) - Minnesota |
| 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 | Richard Burr (R) - North Carolina |
| Conrad Burns (R) - Montana | Jim Bunning (R) - Kentucky | Sam Brownback (R) - Kansas |
| Christopher Bond (R) - Missouri | Evan Bayh (D) - Indiana | Max Baucus (D) - Montana |
| George Allen (R) - Virginia | Wayne Allard (R) - Colorado | Lamar Alexander (R) - Tennessee |
| John Warner (R) - Virginia |
