| Begich, Mark (D-AK) |
| Booker, Cory A. (D-NJ) |
| Coons, Christopher A. (D-DE) |
| Durbin, Richard J. (D-IL) |
| Franken, Al (D-MN) |
| Hagan, Kay R. (D-NC) |
| Harkin, Tom (D-IA) |
| Johnson, Tim (D-SD) |
| Landrieu, Mary L. (D-LA) |
| Levin, Carl (D-MI) |
| Markey, Edward J. (D-MA) |
| Merkley, Jeff (D-OR) |
| Pryor, Mark L. (D-AR) |
| Reed, Jack (D-RI) |
| Rockefeller, John D., IV (D-WV) |
| Shaheen, Jeanne (D-NH) |
| Udall, Mark (D-CO) |
| Udall, Tom (D-NM) |
| Walsh, John E. (D-MT) |
| Warner, Mark R. (D-VA) |
|
| Alexander, Lamar (R-TN) |
| Chambliss, Saxby (R-GA) |
| Cochran, Thad (R-MS) |
| Collins, Susan M. (R-ME) |
| Cornyn, John (R-TX) |
| Enzi, Michael B. (R-WY) |
| Graham, Lindsey (R-SC) |
| Inhofe, James M. (R-OK) |
| Johanns, Mike (R-NE) |
| McConnell, Mitch (R-KY) |
| Risch, James E. (R-ID) |
| Roberts, Pat (R-KS) |
| Sessions, Jeff (R-AL) |
|
OK, Fine. 