| LUGAR, Richard Green | — | IN |
| SIMPSON, Alan Kooi | — | WY |
| FOWLER, Wyche, Jr. | — | GA |
| D'AMATO, Alfonse Marcello | — | NY |
| DURENBERGER, David Ferdinand | — | MN |
| NUNN, Samuel Augustus | — | GA |
| GRAMM, William Philip | — | TX |
| LAUTENBERG, Frank Raleigh | — | NJ |
| KASTEN, Robert Walter, Jr. | — | WI |
| PELL, Claiborne de Borda | — | RI |
| BRADLEY, William Warren | — | NJ |
| STEVENS, Theodore Fulton | — | AK |
| MACK, Connie, III | — | FL |
| DOMENICI, Pete Vichi | — | NM |
| FORD, Wendell Hampton | — | KY |
| BINGAMAN, Jesse Francis (Jeff), Jr. | — | NM |
| HOLLINGS, Ernest Frederick | — | SC |
| BUMPERS, Dale | — | AR |
| GORE, Albert Arnold, Jr. | — | TN |
| WILSON, Pete | — | CA |
| HEINZ, Henry John, III | — | PA |
| KERREY, J. Robert | — | NE |
| JOHNSTON, John Bennett, Jr. | — | LA |
| COHEN, William Sebastian | — | ME |
| LIEBERMAN, Joseph I. | — | CT |
| BYRD, Robert Carlyle | — | WV |
| SARBANES, Paul Spyros | — | MD |
| DODD, Christopher John | — | CT |
| SPECTER, Arlen | — | PA |
| EXON, J. James | — | NE |
| HATFIELD, Mark Odom | — | OR |
| DIXON, Alan John | — | IL |
| CHAFEE, John Hubbard | — | RI |
| THURMOND, James Strom | — | SC |
| PACKWOOD, Robert William | — | OR |
| JEFFORDS, James Merrill | — | VT |
| ROBB, Charles Spittal | — | VA |
| DANFORTH, John Claggett | — | MO |
| DeCONCINI, Dennis Webster | — | AZ |
| BURDICK, Quentin Northrup | — | ND |
| SIMON, Paul Martin | — | IL |
| RIEGLE, Donald Wayne, Jr. | — | MI |
| BOREN, David Lyle | — | OK |
| KERRY, John Forbes | — | MA |
| MATSUNAGA, Spark Masayuki | — | HI |
| MOYNIHAN, Daniel Patrick | — | NY |
| KENNEDY, Edward Moore | — | MA |
| PRESSLER, Larry Lee | — | SD |
| KOHL, Herbert H. | — | WI |
| MITCHELL, George John | — | ME |
| DASCHLE, Thomas Andrew | — | SD |
| GRAHAM, Daniel Robert | — | FL |
| NICKLES, Donald Lee | — | OK |
| DOLE, Robert Joseph | — | KS |
| BOSCHWITZ, Rudolph Eli | — | MN |
| WIRTH, Timothy E. | — | CO |
| HEFLIN, Howell Thomas | — | AL |
| KASSEBAUM, Nancy Landon | — | KS |
| BRYAN, Richard H | — | NV |
| WARNER, John William | — | VA |
| CRANSTON, Alan | — | CA |
| GORTON, Thomas Slade, III | — | WA |
| CONRAD, Kent | — | ND |
| BIDEN, Joseph Robinette (Joe), Jr. | — | DE |
| Tom Harkin | Democrat | IA |
| Barbara A. Mikulski | Democrat | MD |
| Carl Levin | Democrat | MI |
| Harry Reid | Democrat | NV |
| Patrick J. Leahy | Democrat | VT |
| John D. Rockefeller, IV | Democrat | WV |
| Richard C. Shelby | Republican | AL |
| John McCain | Republican | AZ |
| Chuck Grassley | Republican | IA |
| Daniel Coats | Republican | IN |
| Mitch McConnell | Republican | KY |
| Thad Cochran | Republican | MS |
| Orrin G. Hatch | Republican | UT |