MAJORITY

• 881John "Jay" D. Rockefeller IV

  [D] WV, United States
• 379Maria Cantwell

  [D] WA, United States
• 875Clarence "Bill" William Nelson

  [D] FL, United States
• 582Thomas "Tom" R. Carper

  [D] DE, United States

MINORITY

• 852John Cornyn

  [R] TX, United States
• 1,957Charles "Chuck" E. Grassley

  [R] IA, United States
• 489Pat Roberts

  [R] KS, United States
• 655Michael "Mike" B. Enzi

  [R] WY, United States
• 594John R. Thune

  [R] SD, United States
• 215Richard Burr

  [R] NC, United States