| LUGAR, Richard Green | — | IN |
| SANTORUM, Richard John | — | PA |
| GRAMM, William Philip | — | TX |
| STEVENS, Theodore Fulton | — | AK |
| MACK, Connie, III | — | FL |
| DOMENICI, Pete Vichi | — | NM |
| BROWNBACK, Sam Dale | — | KS |
| ASHCROFT, John David | — | MO |
| HUTCHINSON, Timothy | — | AR |
| HAGEL, Charles Timothy | — | NE |
| GREGG, Judd Alan | — | NH |
| CHAFEE, John Hubbard | — | RI |
| CAMPBELL, Ben Nighthorse | — | CO |
| THURMOND, James Strom | — | SC |
| GRAMS, Rod | — | MN |
| CRAIG, Larry Edwin | — | ID |
| THOMAS, Craig Lyle | — | WY |
| BOND, Christopher Samuel | — | MO |
| SNOWE, Olympia Jean | — | ME |
| ALLARD, A. Wayne | — | CO |
| ABRAHAM, Spencer | — | MI |
| MURKOWSKI, Frank Hughes | — | AK |
| HUTCHISON, Kathryn Ann Bailey | — | TX |
| COVERDELL, Paul | — | GA |
| ROTH, William Victor, Jr. | — | DE |
| KEMPTHORNE, Dirk | — | ID |
| SMITH, Gordon Harold | — | OR |
| BURNS, Conrad | — | MT |
| FRIST, William H. | — | TN |
| LOTT, Chester Trent | — | MS |
| NICKLES, Donald Lee | — | OK |
| BENNETT, Robert Foster | — | UT |
| GLENN, John Herschel, Jr. | — | OH |
| WARNER, John William | — | VA |
| GORTON, Thomas Slade, III | — | WA |
| FAIRCLOTH, Duncan McLauchlin | — | NC |
| THOMPSON, Fred Dalton | — | TN |
| HELMS, Jesse | — | NC |
| BIDEN, Joseph Robinette (Joe), Jr. | — | DE |
| SMITH, Robert C. | — | NH |
| Tim Johnson | Democrat | SD |
| Jeff Sessions | Republican | AL |
| Richard C. Shelby | Republican | AL |
| John McCain | Republican | AZ |
| Jon Kyl | Republican | AZ |
| Chuck Grassley | Republican | IA |
| Daniel Coats | Republican | IN |
| Pat Roberts | Republican | KS |
| Mitch McConnell | Republican | KY |
| Susan M. Collins | Republican | ME |
| Thad Cochran | Republican | MS |
| James M. Inhofe | Republican | OK |
| Orrin G. Hatch | Republican | UT |
| Michael B. Enzi | Republican | WY |