- Akaka, Daniel K.
- Alexander, Lamar
- Barrasso, John
- Baucus, Max
- Bayh, Evan
- Begich, Mark
- Bennet, Michael F.
- Bennett, Robert F.
- Bingaman, Jeff
- Bond, Christopher S.
- Boxer, Barbara
- Brown, Sherrod
- Brown, Scott
- Brownback, Sam
- Bunning, Jim
- Burr, Richard
- Burris, Roland W.
- Byrd, Robert C.
- Cantwell, Maria
- Cardin, Benjamin L.
- Carper, Thomas R.
- Casey, Robert P., Jr.
- Chambliss, Saxby
- Coburn, Tom
- Cochran, Thad
- Collins, Susan M.
- Conrad, Kent
- Corker, Bob
- Cornyn, John
- Crapo, Mike
- DeMint, Jim
- Dodd, Christopher J.
- Dorgan, Byron L.
- Durbin, Richard J.
- Ensign, John
- Enzi, Michael B.
- Feingold, Russell D.
- Feinstein, Dianne
- Franken, Al
- Gillibrand, Kirsten E.
- Graham, Lindsey
- Grassley, Chuck
- Gregg, Judd
- Hagan, Kay R.
- Harkin, Tom
- Hatch, Orrin G.
- Hutchison, Kay Bailey
- Inhofe, James M.
- Inouye, Daniel K.
- Isakson, Johnny
- Johanns, Mike
- Johnson, Tim
- Kaufman, Edward E.
- Kerry, John F.
- Kirk, Paul G., Jr.
- Klobuchar, Amy
- Kohl, Herb
- Kyl, Jon
- Landrieu, Mary L.
- Lautenberg, Frank R.
- Leahy, Patrick J.
- LeMieux, George S.
- Levin, Carl
- Lieberman, Joseph I.
- Lincoln, Blanche L.
- Lugar, Richard G.
- McCain, John
- McCaskill, Claire
- McConnell, Mitch
- Menendez, Robert
- Merkley, Jeff
- Mikulski, Barbara A.
- Murkowski, Lisa
- Murray, Patty
- Nelson, Ben
- Nelson, Bill
- Pryor, Mark L.
- Reed, Jack
- Reid, Harry
- Risch, James E.
- Roberts, Pat
- Rockefeller, John D., IV
- Sanders, Bernard
- Schumer, Charles E.
- Sessions, Jeff
- Shaheen, Jeanne
- Shelby, Richard C.
- Snowe, Olympia J.
- Specter, Arlen
- Stabenow, Debbie
- Tester, Jon
- Thune, John
- Udall, Mark
- Udall, Tom
- Vitter, David
- Voinovich, George V.
- Warner, Mark R.
- Webb, Jim
- Whitehouse, Sheldon
- Wicker, Roger F.
- Wyden, Ron