| 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 |
| Ken Salazar (D) - Colorado | Pat Roberts (R) - Kansas | Ben Nelson (D) - Nebraska |
| 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 | Joseph Lieberman (I) - Connecticut | Carl Levin (D) - Michigan |
| Jon Kyl (R) - Arizona | Tim Johnson (D) - South Dakota | Johnny Isakson (R) - Georgia |
| Kay Bailey Hutchison (R) - Texas | Orrin Hatch (R) - Utah | Tom Harkin (D) - Iowa |
| 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 |
| 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 | 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 |
| Jeff Bingaman (D) - New Mexico | Joseph Biden (D) - Delaware | Robert Bennett (R) - Utah |
| Evan Bayh (D) - Indiana | George Allen (R) - Virginia | Wayne Allard (R) - Colorado |
| Lamar Alexander (R) - Tennessee | John Thune (R) - South Dakota | David Vitter (R) - Louisiana |
| George Voinovich (R) - Ohio | John Warner (R) - Virginia | Ron Wyden (D) - Oregon |
