| First Name | Last Name | State | Party |
| Mark | Begich | AK | Democrat |
| Lisa | Murkowski | AK | Republican |
| Richard C. | Shelby | AL | Republican |
| Jeff | Sessions | AL | Republican |
| Mark L. | Pryor | AR | Democrat |
| John | Boozman | AR | Republican |
| Jon | Kyl | AZ | Republican |
| John | McCain | AZ | Republican |
| Barbara | Boxer | CA | Democrat |
| Dianne | Feinstein | CA | Democrat |
| Michael F. | Bennet | CO | Democrat |
| Mark | Udall | CO | Democrat |
| Joseph I. | Lieberman | CT | Independent |
| Richard | Blumenthal | CT | Democrat |
| Christopher A. | Coons | DE | Democrat |
| Thomas R. | Carper | DE | Democrat |
| Bill | Nelson | FL | Democrat |
| Marco | Rubio | FL | Republican |
| Johnny | Isakson | GA | Republican |
| Saxby | Chambliss | GA | Republican |
| Daniel K. | Akaka | HI | Democrat |
| Daniel K. | Inouye | HI | Democrat |
| Tom | Harkin | IA | Democrat |
| Chuck | Grassley | IA | Republican |
| James E. | Risch | ID | Republican |
| Mike | Crapo | ID | Republican |
| Richard J. | Durbin | IL | Democrat |
| Mark | Kirk | IL | Republican |
| Richard G. | Lugar | IN | Republican |
| Daniel | Coats | IN | Republican |
| Pat | Roberts | KS | Republican |
| Jerry | Moran | KS | Republican |
| Mitch | McConnell | KY | Republican |
| Rand | Paul | KY | Republican |
| David | Vitter | LA | Republican |
| Mary L. | Landrieu | LA | Democrat |
| Scott P. | Brown | MA | Republican |
| John F. | Kerry | MA | Democrat |
| Benjamin L. | Cardin | MD | Democrat |
| Barbara A. | Mikulski | MD | Democrat |
| Olympia J. | Snowe | ME | Republican |
| Susan M. | Collins | ME | Republican |
| Debbie | Stabenow | MI | Democrat |
| Carl | Levin | MI | Democrat |
| Amy | Klobuchar | MN | Democrat |
| Al | Franken | MN | Democrat |
| Claire | McCaskill | MO | Democrat |
| Roy | Blunt | MO | Republican |
| Roger F. | Wicker | MS | Republican |
| Thad | Cochran | MS | Republican |
| Max | Baucus | MT | Democrat |
| Jon | Tester | MT | Democrat |
| Richard | Burr | NC | Republican |
| Kay R. | Hagan | NC | Democrat |
| Kent | Conrad | ND | Democrat |
| John | Hoeven | ND | Republican |
| Ben | Nelson | NE | Democrat |
| Mike | Johanns | NE | Republican |
| Jeanne | Shaheen | NH | Democrat |
| Kelly | Ayotte | NH | Republican |
| Frank R. | Lautenberg | NJ | Democrat |
| Robert | Menendez | NJ | Democrat |
| Jeff | Bingaman | NM | Democrat |
| Tom | Udall | NM | Democrat |
| Harry | Reid | NV | Democrat |
| Dean | Heller | NV | Republican |
| Kirsten E. | Gillibrand | NY | Democrat |
| Charles E. | Schumer | NY | Democrat |
| Sherrod | Brown | OH | Democrat |
| Rob | Portman | OH | Republican |
| James M. | Inhofe | OK | Republican |
| Tom | Coburn | OK | Republican |
| Ron | Wyden | OR | Democrat |
| Jeff | Merkley | OR | Democrat |
| Patrick J. | Toomey | PA | Republican |
| Robert P., Jr. | Casey | PA | Democrat |
| Sheldon | Whitehouse | RI | Democrat |
| Jack | Reed | RI | Democrat |
| Jim | DeMint | SC | Republican |
| Lindsey | Graham | SC | Republican |
| Tim | Johnson | SD | Democrat |
| John | Thune | SD | Republican |
| Lamar | Alexander | TN | Republican |
| Bob | Corker | TN | Republican |
| Kay Bailey | Hutchison | TX | Republican |
| John | Cornyn | TX | Republican |
| Mike | Lee | UT | Republican |
| Orrin G. | Hatch | UT | Republican |
| Jim | Webb | VA | Democrat |
| Mark R. | Warner | VA | Democrat |
| Bernard | Sanders | VT | Independent |
| Patrick J. | Leahy | VT | Democrat |
| Patty | Murray | WA | Democrat |
| Maria | Cantwell | WA | Democrat |
| Ron | Johnson | WI | Republican |
| Herb | Kohl | WI | Democrat |
| John D., IV | Rockefeller | WV | Democrat |
| Joe, III | Manchin | WV | Democrat |
| Michael B. | Enzi | WY | Republican |
| John | Barrasso | WY | Republican |
