| VOINOVICH, George Victor | — | OH |
| LUGAR, Richard Green | — | IN |
| INOUYE, Daniel Ken | — | HI |
| SANTORUM, Richard John | — | PA |
| LAUTENBERG, Frank Raleigh | — | NJ |
| STEVENS, Theodore Fulton | — | AK |
| BUNNING, James Paul David | — | KY |
| CORZINE, Jon Stevens | — | NJ |
| BINGAMAN, Jesse Francis (Jeff), Jr. | — | NM |
| HOLLINGS, Ernest Frederick | — | SC |
| BROWNBACK, Sam Dale | — | KS |
| MILLER, Zell Bryan | — | GA |
| FEINGOLD, Russell Dana | — | WI |
| LIEBERMAN, Joseph I. | — | CT |
| BYRD, Robert Carlyle | — | WV |
| SARBANES, Paul Spyros | — | MD |
| DODD, Christopher John | — | CT |
| DeWINE, Michael | — | OH |
| SPECTER, Arlen | — | PA |
| BREAUX, John Berlinger | — | LA |
| BAUCUS, Max Sieben | — | MT |
| CAMPBELL, Ben Nighthorse | — | CO |
| CRAIG, Larry Edwin | — | ID |
| BOND, Christopher Samuel | — | MO |
| ALLARD, A. Wayne | — | CO |
| HUTCHISON, Kathryn Ann Bailey | — | TX |
| COLEMAN, Norm | — | MN |
| CLINTON, Hillary Rodham | — | NY |
| NELSON, Earl Benjamin | — | NE |
| SMITH, Gordon Harold | — | OR |
| DOLE, Elizabeth Hanford | — | NC |
| BURNS, Conrad | — | MT |
| FRIST, William H. | — | TN |
| KENNEDY, Edward Moore | — | MA |
| KOHL, Herbert H. | — | WI |
| LINCOLN, Blanche Lambert | — | AR |
| DASCHLE, Thomas Andrew | — | SD |
| TALENT, James Matthes | — | MO |
| GRAHAM, Daniel Robert | — | FL |
| BENNETT, Robert Foster | — | UT |
| AKAKA, Daniel Kahikina | — | HI |
| DAYTON, Mark | — | MN |
| ALLEN, George | — | VA |
| CHAFEE, Lincoln Davenport | — | RI |
| WARNER, John William | — | VA |
| CONRAD, Kent | — | ND |
| EDWARDS, John | — | NC |
| BIDEN, Joseph Robinette (Joe), Jr. | — | DE |
| Mark L. Pryor | Democrat | AR |
| Barbara Boxer | Democrat | CA |
| Dianne Feinstein | Democrat | CA |
| Thomas R. Carper | Democrat | DE |
| Bill Nelson | Democrat | FL |
| Richard J. Durbin | Democrat | IL |
| Mary L. Landrieu | Democrat | LA |
| Barbara A. Mikulski | Democrat | MD |
| Carl Levin | Democrat | MI |
| Debbie Stabenow | Democrat | MI |
| Harry Reid | Democrat | NV |
| Charles E. Schumer | Democrat | NY |
| Ron Wyden | Democrat | OR |
| Tim Johnson | Democrat | SD |
| Patrick J. Leahy | Democrat | VT |
| Patty Murray | Democrat | WA |
| John D. Rockefeller, IV | Democrat | WV |
| Lisa Murkowski | Republican | AK |
| Saxby Chambliss | Republican | GA |
| Mike Crapo | Republican | ID |
| Pat Roberts | Republican | KS |
| Mitch McConnell | Republican | KY |
| Thad Cochran | Republican | MS |
| Lindsey Graham | Republican | SC |
| Lamar Alexander | Republican | TN |
| John Cornyn | Republican | TX |
| Orrin G. Hatch | Republican | UT |
| Michael B. Enzi | Republican | WY |