| 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 |
| Gordon Smith (R) - Oregon | Richard Shelby (R) - Alabama | Jeff Sessions (R) - Alabama |
| Rick Santorum (R) - Pennsylvania | Ken Salazar (D) - Colorado | John Rockefeller (D) - West Virginia |
| Pat Roberts (R) - Kansas | Mark Pryor (D) - Arkansas | Ben Nelson (D) - Nebraska |
| Bill Nelson (D) - Florida | Lisa Murkowski (R) - Alaska | Robert Menendez (D) - New Jersey |
| Mitch McConnell (R) - Kentucky | John McCain (R) - Arizona | Mel Martinez (R) - Florida |
| Richard Lugar (R) - Indiana | Trent Lott (R) - Mississippi | Joseph Lieberman (I) - Connecticut |
| Frank Lautenberg (D) - New Jersey | 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 | 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 |
| 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 |
| Robert Bennett (R) - Utah | George Allen (R) - Virginia | Wayne Allard (R) - Colorado |
| Lamar Alexander (R) - Tennessee | John Warner (R) - Virginia |
