MAJORITY

• 701Deborah "Debbie" Ann Stabenow

  [D] MI, United States

  Began 03/24/2011
• 875John "Jay" D. Rockefeller IV

  [D] WV, United States

  Ended 01/03/2013
• 1,213Charles E. Schumer

  [D] NY, United States

  Ended 01/03/2013
• 560Benjamin "Ben" L. Cardin

  [D] MD, United States

  Began 03/24/2011
• 1,017Kent Conrad

  [D] ND, United States

MINORITY

• 485Pat Roberts

  [R] KS, United States
• 599Thomas "Tom" A. Coburn M.D.

  [R] OK, United States

  Began 03/24/2011
• 861Clarence "Bill" William Nelson

  [D] FL, United States
• 1,233Jon Kyl

  [R] AZ, United States

  Ended 01/03/2013
• 1,970Orrin Hatch

  [R] UT, United States

  Began 03/24/2011
• 405John Ensign

  [R] NV, United States