MAJORITY

• 1,021Jeff Bingaman

  [D] NM, United States
• 1,422John F. Kerry

  [D] MA, United States
• 375Maria Cantwell

  [D] WA, United States
• 876John "Jay" D. Rockefeller IV

  [D] WV, United States

  Began 03/24/2011
• 574Thomas "Tom" R. Carper

  [D] DE, United States
• 706Deborah "Debbie" Ann Stabenow

  [D] MI, United States

  Ended 03/24/2011
• 865Clarence "Bill" William Nelson

  [D] FL, United States

MINORITY

• 846John Cornyn

  [R] TX, United States
• 293Michael "Mike" Crapo

  [R] ID, United States

  Ended 03/24/2011
• 1,978Orrin Hatch

  [R] UT, United States

  Ended 03/24/2011
• 652Michael "Mike" B. Enzi

  [R] WY, United States
• 488Pat Roberts

  [R] KS, United States

  Began 03/24/2011
• 1,944Charles "Chuck" E. Grassley

  [R] IA, United States

  Began 03/24/2011
• 585John R. Thune

  [R] SD, United States

  Began 03/24/2011
• 1,018Kent Conrad

  [D] ND, United States