| Senator | | | # | Committee Leadership | Other Committees | |
|---|
| Lamar Alexander | (R-TN) | | 6 | Health, Education, Labor & Pensions | Appropriations, Energy & Natural Resources, Rules & Administration, Joint Committee on the Library & Joint Committee on Printing | 1 |
| Kelly Ayotte | (R-NH) | | 6 | | Small Business & Entrepreneurship, Armed Services, Budget, Commerce, Science & Transportation, Homeland Security & Government Affairs & Aging | 5 |
| Tammy Baldwin | (D-WI) | | 4 | | Budget, Health, Education, Labor & Pensions, Homeland Security & Government Affairs & Aging | 3 |
| John Barrasso | (R-WY) | | 4 | Indian Affairs | Energy & Natural Resources, Environment & Public Works & Foreign Relations | 2 |
| Michael Bennet | (D-CO) | | 3 | | Agriculture, Nutrition & Forestry, Finance & Health, Education, Labor & Pensions | 2 |
| Richard Blumenthal | (D-CT) | | 5 | | Armed Services, Commerce, Science & Transportation, Judiciary, Veterans' Affairs & Aging | 1 |
| Roy Blunt | (R-MO) | | 4 | | Appropriations, Armed Services, Commerce, Science & Transportation & Rules & Administration | 2 |
| Cory Booker | (D-NJ) | | 1 | | Small Business & Entrepreneurship | 29 |
| John Boozman | (R-AR) | | 3 | | Agriculture, Nutrition & Forestry, Environment & Public Works & Veterans' Affairs | 1 |
| Barbara Boxer | (D-CA) | | 4 | Environment & Public Works & Ethics | Commerce, Science & Transportation & Foreign Relations | 3 |
| Sherrod Brown | (D-OH) | | 6 | | Agriculture, Nutrition & Forestry, Appropriations, Banking, Housing & Urban Affairs, Finance, Veterans' Affairs & Ethics | 4 |
| Richard Burr | (R-NC) | | 4 | Veterans' Affairs | Finance, Health, Education, Labor & Pensions & Intelligence | 2 |
| Maria Cantwell | (D-WA) | | 5 | Indian Affairs | Commerce, Science & Transportation, Energy & Natural Resources, Finance & Small Business & Entrepreneurship | 1 |
| Shelley Moore Capito | (R-WV) | | 2 | | Financial Services & Transportation & Infrastructure | 0 |
| Ben Cardin | (D-MD) | | 4 | | Environment & Public Works, Finance, Foreign Relations & Small Business & Entrepreneurship | 3 |
| Tom Carper | (D-DE) | | 3 | Homeland Security & Government Affairs | Environment & Public Works & Finance | 1 |
| Bill Cassidy | (R-LA) | | 1 | | Energy & Commerce | 4 |
| Daniel Coats | (R-IN) | | 4 | | Appropriations, Commerce, Science & Transportation, Intelligence & Joint Economic Committee | 1 |
| Tom Coburn | (R-OK) | | 3 | Homeland Security & Government Affairs | Banking, Housing & Urban Affairs & Intelligence | 13 |
| Thad Cochran | (R-MS) | | 4 | Agriculture, Nutrition & Forestry & Appropriations | Rules & Administration & Joint Committee on the Library | 1 |
| Susan Collins | (R-ME) | | 3 | Aging | Appropriations & Intelligence | 21 |
| Chris Coons | (D-DE) | | 5 | | Small Business & Entrepreneurship, Budget, Energy & Natural Resources, Foreign Relations & Judiciary | 1 |
| Bob Corker | (R-TN) | | 3 | Foreign Relations | Banking, Housing & Urban Affairs & Aging | 34 |
| John Cornyn | (R-TX) | | 2 | | Finance & Judiciary | 3 |
| Tom Cotton | (R-AR) | | 2 | | Financial Services & Foreign Affairs | 88 |
| Mike Crapo | (R-ID) | | 5 | Banking, Housing & Urban Affairs | Budget, Environment & Public Works, Finance & Indian Affairs | 2 |
| Ted Cruz | (R-TX) | | 5 | | Armed Services, Commerce, Science & Transportation, Judiciary, Rules & Administration & Aging | 260 |
| Steve Daines | (R-MT) | | 3 | | Homeland Security, Natural Resources & Transportation & Infrastructure | 0 |
| Joe Donnelly | (D-IN) | | 2 | | Armed Services & Aging | 1 |
| Dick Durbin | (D-IL) | | 4 | | Appropriations, Judiciary, Rules & Administration & Joint Committee on the Library | 17 |
| Mike Enzi | (R-WY) | | 5 | | Budget, Finance, Health, Education, Labor & Pensions, Homeland Security & Government Affairs & Small Business & Entrepreneurship | 4 |
| Joni Ernst | (R-IA) | | 1 | | Small Business & Entrepreneurship | 27 |
| Dianne Feinstein | (D-CA) | | 4 | Intelligence | Appropriations, Judiciary & Rules & Administration | 15 |
| Deb Fischer | (R-NE) | | 5 | | Armed Services, Commerce, Science & Transportation, Environment & Public Works, Small Business & Entrepreneurship & Indian Affairs | 1 |
| Jeff Flake | (R-AZ) | | 4 | | Energy & Natural Resources, Foreign Relations, Judiciary & Aging | 38 |
| Al Franken | (D-MN) | | 4 | | Energy & Natural Resources, Health, Education, Labor & Pensions, Judiciary & Indian Affairs | 74 |
| Cory Gardner | (R-CO) | | 2 | | Small Business & Entrepreneurship & Energy & Commerce | 0 |
| Kirsten Gillibrand | (D-NY) | | 4 | | Agriculture, Nutrition & Forestry, Armed Services, Environment & Public Works & Aging | 35 |
| Lindsey Graham | (R-SC) | | 4 | | Appropriations, Armed Services, Budget & Judiciary | 20 |
| Chuck Grassley | (R-IA) | | 4 | Judiciary | Agriculture, Nutrition & Forestry, Budget & Finance | 6 |
| Kamala Harris | (D-CA) | | 0 | | | 107 |
| Orrin Hatch | (R-UT) | | 4 | Finance | Health, Education, Labor & Pensions, Judiciary & Aging | 1 |
| Martin Heinrich | (D-NM) | | 3 | | Energy & Natural Resources, Intelligence & Joint Economic Committee | 1 |
| Heidi Heitkamp | (D-ND) | | 4 | | Banking, Housing & Urban Affairs, Homeland Security & Government Affairs, Small Business & Entrepreneurship & Indian Affairs | 1 |
| Dean Heller | (R-NV) | | 5 | | Banking, Housing & Urban Affairs, Commerce, Science & Transportation, Energy & Natural Resources, Veterans' Affairs & Aging | 1 |
| Mazie Hirono | (D-HI) | | 4 | | Small Business & Entrepreneurship, Armed Services, Judiciary & Veterans' Affairs | 2 |
| John Hoeven | (R-ND) | | 4 | | Agriculture, Nutrition & Forestry, Appropriations, Energy & Natural Resources & Indian Affairs | 15 |
| James Inhofe | (R-OK) | | 2 | Armed Services | Environment & Public Works | 67 |
| Johnny Isakson | (R-GA) | | 4 | Ethics | Finance, Health, Education, Labor & Pensions & Veterans' Affairs | 1 |
| Ron Johnson | (R-WI) | | 6 | | Appropriations, Budget, Commerce, Science & Transportation, Foreign Relations, Homeland Security & Government Affairs & Small Business & Entrepreneurship | 1 |
| Bob Casey Jr. | (D-PA) | | 5 | Joint Economic Committee | Agriculture, Nutrition & Forestry, Foreign Relations, Health, Education, Labor & Pensions & Aging | 1 |
| Tim Kaine | (D-VA) | | 3 | | Armed Services, Budget & Foreign Relations | 47 |
| Angus King | (I-ME) | | 4 | | Armed Services, Budget, Rules & Administration & Intelligence | 1 |
| Mark Kirk | (R-IL) | | 4 | | Appropriations, Banking, Housing & Urban Affairs, Health, Education, Labor & Pensions & Aging | 2 |
| Amy Klobuchar | (D-MN) | | 5 | | Agriculture, Nutrition & Forestry, Commerce, Science & Transportation, Judiciary, Rules & Administration & Joint Economic Committee | 10 |
| Patrick Leahy | (D-VT) | | 5 | Judiciary | Agriculture, Nutrition & Forestry, Appropriations, Rules & Administration & Joint Committee on the Library | 1 |
| Mike Lee | (R-UT) | | 4 | | Armed Services, Energy & Natural Resources, Judiciary & Joint Economic Committee | 4 |
| Joe Manchin | (D-WV) | | 4 | | Armed Services, Banking, Housing & Urban Affairs, Energy & Natural Resources & Aging | 5 |
| Ed Markey | (D-MA) | | 3 | Natural Resources | Small Business & Entrepreneurship & Energy & Commerce | 4 |
| John McCain | (R-AZ) | | 4 | | Armed Services, Foreign Relations, Homeland Security & Government Affairs & Indian Affairs | 216 |
| Claire McCaskill | (D-MO) | | 4 | | Armed Services, Commerce, Science & Transportation, Homeland Security & Government Affairs & Aging | 4 |
| Mitch McConnell | (R-KY) | | 3 | | Agriculture, Nutrition & Forestry, Appropriations & Rules & Administration | 178 |
| Bob Menendez | (D-NJ) | | 3 | Foreign Relations | Banking, Housing & Urban Affairs & Finance | 1 |
| Jeff Merkley | (D-OR) | | 3 | | Banking, Housing & Urban Affairs, Budget & Environment & Public Works | 11 |
| Barbara Mikulski | (D-MD) | | 3 | Appropriations | Health, Education, Labor & Pensions & Intelligence | 1 |
| Jerry Moran | (R-KS) | | 3 | | Appropriations, Banking, Housing & Urban Affairs & Veterans' Affairs | 1 |
| Lisa Murkowski | (R-AK) | | 4 | Energy & Natural Resources | Appropriations, Health, Education, Labor & Pensions & Indian Affairs | 3 |
| Chris Murphy | (D-CT) | | 3 | | Foreign Relations, Health, Education, Labor & Pensions & Joint Economic Committee | 2 |
| Patty Murray | (D-WA) | | 6 | Budget | Appropriations, Health, Education, Labor & Pensions, Rules & Administration, Veterans' Affairs & Joint Committee on Printing | 2 |
| Bill Nelson | (D-FL) | | 5 | Aging | Armed Services, Budget, Commerce, Science & Transportation & Finance | 37 |
| Rand Paul | (R-KY) | | 4 | Homeland Security & Government Affairs | Foreign Relations, Health, Education, Labor & Pensions & Small Business & Entrepreneurship | 69 |
| David Perdue | (R-GA) | | 0 | | | 8 |
| Gary Peters | (D-MI) | | 2 | | Small Business & Entrepreneurship & Financial Services | 1 |
| John Podesta | | | 0 | | | 0 |
| Rob Portman | (R-OH) | | 4 | | Budget, Energy & Natural Resources, Finance & Homeland Security & Government Affairs | 22 |
| Jack Reed | (D-RI) | | 3 | | Appropriations, Armed Services & Banking, Housing & Urban Affairs | 1 |
| Harry Reid | (D-NV) | | 0 | | | 79 |
| Jim Risch | (R-ID) | | 5 | Small Business & Entrepreneurship | Energy & Natural Resources, Foreign Relations, Ethics & Intelligence | 1 |
| Pat Roberts | (R-KS) | | 5 | Rules & Administration | Agriculture, Nutrition & Forestry, Finance, Health, Education, Labor & Pensions & Ethics | 9 |
| Mitt Romney | (R-UT) | | 0 | | | 1631 |
| Mike Rounds | (R-SD) | | 0 | | | 0 |
| Marco Rubio | (R-FL) | | 4 | | Commerce, Science & Transportation, Foreign Relations, Small Business & Entrepreneurship & Intelligence | 28 |
| Bernie Sanders | (D-VT) | | 6 | Veterans' Affairs | Budget, Energy & Natural Resources, Environment & Public Works, Health, Education, Labor & Pensions & Joint Economic Committee | 1972 |
| Ben Sasse | (R-NE) | | 0 | | | 0 |
| Brian Schatz | (D-HI) | | 3 | | Commerce, Science & Transportation, Energy & Natural Resources & Indian Affairs | 2 |
| Chuck Schumer | (D-NY) | | 6 | Joint Committee on the Library, Joint Committee on Printing & Rules & Administration | Banking, Housing & Urban Affairs, Finance & Judiciary | 58 |
| Tim Scott | (R-SC) | | 5 | | Commerce, Science & Transportation, Energy & Natural Resources, Health, Education, Labor & Pensions, Small Business & Entrepreneurship & Aging | 1 |
| Jeanne Shaheen | (D-NH) | | 3 | | Armed Services, Foreign Relations & Small Business & Entrepreneurship | 1 |
| Richard Shelby | (R-AL) | | 3 | | Appropriations, Banking, Housing & Urban Affairs & Rules & Administration | 2 |
| Debbie Stabenow | (D-MI) | | 4 | Agriculture, Nutrition & Forestry | Budget, Energy & Natural Resources & Finance | 3 |
| Dan Sullivan | (R-AK) | | 0 | | | 0 |
| Jon Tester | (D-MT) | | 5 | | Appropriations, Banking, Housing & Urban Affairs, Homeland Security & Government Affairs, Veterans' Affairs & Indian Affairs | 5 |
| John Thune | (R-SD) | | 3 | Commerce, Science & Transportation | Agriculture, Nutrition & Forestry & Finance | 3 |
| Thom Tillis | (R-NC) | | 0 | | | 6 |
| Pat Toomey | (R-PA) | | 4 | | Banking, Housing & Urban Affairs, Budget, Finance & Joint Economic Committee | 8 |
| Tom Udall | (D-NM) | | 5 | | Environment & Public Works, Foreign Relations, Rules & Administration, Indian Affairs & Joint Committee on Printing | 1 |
| David Vitter | (R-LA) | | 4 | Environment & Public Works | Armed Services, Banking, Housing & Urban Affairs & Small Business & Entrepreneurship | 41 |
| Mark Warner | (D-VA) | | 6 | | Banking, Housing & Urban Affairs, Budget, Commerce, Science & Transportation, Rules & Administration, Intelligence & Joint Economic Committee | 2 |
| Elizabeth Warren | (D-MA) | | 3 | | Banking, Housing & Urban Affairs, Health, Education, Labor & Pensions & Aging | 402 |
| Sheldon Whitehouse | (D-RI) | | 5 | | Budget, Environment & Public Works, Health, Education, Labor & Pensions, Judiciary & Aging | 4 |
| Roger Wicker | (R-MS) | | 5 | | Armed Services, Budget, Commerce, Science & Transportation, Environment & Public Works & Joint Economic Committee | 2 |
| Ron Wyden | (D-OR) | | 5 | Energy & Natural Resources | Budget, Finance, Intelligence & Aging | 2 |