1. Akaka, Daniel (D-HI)
  2. Baucus, Max (D-MT)
  3. Bayh, Evan (D-IN)
  4. Bingaman, Jeff (D-NM)
  5. Boxer, Barbara (D-CA)
  6. Brown, Sherrod (D-OH)
  7. Byrd, Robert (D-WV)
  8. Cantwell, Maria (D-WA)
  9. Cardin, Benjamin (D-MD)
  10. Carper, Thomas (D-DE)
  11. Casey, Bob (D-PA)
  12. Clinton, Hillary (D-NY)
  13. Conrad, Kent (D-ND)
  14. Dodd, Christopher (D-CT)
  15. Dorgan, Byron (D-ND)
  16. Durbin, Richard (D-IL)
  17. Feingold, Russell (D-WI)
  18. Feinstein, Diane (D-CA)
  19. Harkin, Tom (D-IA)
  20. Inouye, Daniel (D-HI)
  21. Johnson, Tim (D-SD)
  22. Kennedy, Edward (D-MA)—Sponsor
  23. Kerry, John (D-MA)
  24. Klobuchar, Amy (D-MN)
  25. Kohl, Herbert (D-WI)
  26. Landrieu, Mary (D-LA)
  27. Lautenberg, Frank (D-NJ)
  28. Leahy, Patrick (D-VT)
  29. Levin, Carl (D-MI)
  30. Lieberman, Joseph (I-CT)
  31. McCaskill, Claire (D-MO)
  32. Menendez, Robert (D-NJ)
  33. Mikulski, Barbara (D-MD)
  34. Murray, Patty (D-WA)
  35. Nelson, Bill (D-FL)
  36. Reed, Jack (D-RI)
  37. Reid, Harry (D-NV)
  38. Rockefeller, Jay (D-WV)
  39. Sanders, Bernard (I-VT)
  40. Schumer, Charles (D-NY)
  41. Stabenow, Debbie (D-MI)
  42. Tester, Jon (D-MT)
  43. Webb, James (D-VA)
  44. Whitehouse, Sheldon (D-RI)
  45. Wyden, Ron (D-OR)