- Agriculture, Nutrition and Forestry— Chair: Debbie Stabenow, Ranking: Pat Roberts
- Commodities, Markets, Trade and Risk Management— Chair: Ben Nelson, Ranking: Saxby Chambliss
- Conservation, Forestry and Natural Resources— Chair: Michael Bennet, Ranking: John Boozman
- Jobs, Rural Economic Growth and Energy Innovation— Chair: Sherrod Brown, Ranking: John Thune
- Livestock, Dairy, Poultry, Marketing and Agriculture Security— Chair: Kirsten Gillibrand, Ranking: Mike Johanns
- Nutrition, Specialty Crops, Food and Agricultural Research— Chair: Bob Casey, Ranking: Richard Lugar
- Aging (Special)— Chair: Herb Kohl, Ranking: Bob Corker
- Appropriations— Chair: Daniel Inouye, Ranking: Thad Cochran
- Agriculture, Rural Development, Food and Drug Administration, and Related Agencies— Chair: Herb Kohl, Ranking: Roy Blunt
- Commerce, Justice, Science, and Related Agencies— Chair: Barbara Mikulski, Ranking: Kay Bailey Hutchison
- Defense— Chair: Daniel Inouye, Ranking: Thad Cochran
- Energy and Water Development— Chair: Dianne Feinstein, Ranking: Lamar Alexander
- Financial Services and General Government— Chair: Richard Durbin, Ranking: Jerry Moran
- Homeland Security— Chair: Mary Landrieu, Ranking: Dan Coats
- Interior, Environment, and Related Agencies— Chair: Jack Reed, Ranking: Lisa Murkowski
- Labor, Health and Human Services, Education, and Related Agencies— Chair: Tom Harkin, Ranking: Richard Shelby
- Legislative Branch— Chair: Ben Nelson, Ranking: John Hoeven
- Military Construction, Veterans Affairs, and Related Agencies— Chair: Tim Johnson, Ranking: Mark Kirk
- State, Foreign Operations, and Related Programs— Chair: Patrick Leahy, Ranking: Lindsey Graham
- Transportation, Housing and Urban Development, and Related Agencies— Chair: Patty Murray, Ranking: Susan Collins
- Armed Services— Chair: Carl Levin, Ranking: John McCain
- Airland— Chair: Joe Lieberman, Ranking: Scott Brown
- Emerging Threats and Capabilities— Chair: Kay Hagan, Ranking: Rob Portman
- Personnel— Chair: Jim Webb, Ranking: Lindsey Graham
- Readiness and Management Support— Chair: Claire McCaskill, Ranking: Kelly Ayotte
- SeaPower— Chair: Jack Reed, Ranking: Roger Wicker
- Strategic Forces— Chair: Ben Nelson, Ranking: Jeff Sessions
- Banking, Housing, and Urban Affairs— Chair: Tim Johnson, Ranking: Richard Shelby
- Economic Policy— Chair: John Tester, Ranking: David Vitter
- Financial Institutions and Consumer Protection— Chair: Sherrod Brown, Ranking: Bob Corker
- Housing, Transportation, and Community Development— Chair: Robert Menendez, Ranking: Jim DeMint
- Securities, Insurance, and Investment— Chair: Jack Reed, Ranking: Mike Crapo
- Security and International Trade and Finance— Chair: Mark Warner, Ranking: Mike Johanns
- Budget— Chair: Kent Conrad, Ranking: Jeff Sessions
- Commerce, Science and Transportation— Chair: Jay Rockefeller, Ranking: Kay Bailey Hutchison
- Aviation Operations, Safety, and Security— Chair: Maria Cantwell, Ranking: John Thune
- Communications, Technology, and the Internet— Chair: John Kerry, Ranking: John Ensign, then Jim DeMint
- Competitiveness, Innovation, and Export Promotion— Chair: Amy Klobuchar, Ranking: Roy Blunt
- Consumer Protection, Product Safety, and Insurance— Chair: Mark Pryor, Ranking: Pat Toomey
- Oceans, Atmosphere, Fisheries, and Coast Guard— Chair: Mark Begich, Ranking: Olympia Snowe
- Science and Space— Chair: Bill Nelson, Ranking: John Boozman
- Surface Transportation and Merchant Marine Infrastructure, Safety, and Security— Chair: Frank Lautenberg, Ranking: Roger Wicker
- Energy and Natural Resources— Chair: Jeff Bingaman, Ranking: Lisa Murkowski
- Energy— Chair: Maria Cantwell, Ranking: Jim Risch
- National Parks— Chair: Mark Udall, Ranking: Richard Burr
- Public Lands and Forests— Chair: Ron Wyden, Ranking: John Barrasso
- Water and Power— Chair: Debbie Stabenow, Ranking: Mike Lee
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- Environment and Public Works— Chair: Barbara Boxer, Ranking: Jim Inhofe
- Children’s Health and Environmental Responsibility— Chair: Amy Klobuchar, Ranking: Lamar Alexander
- Clean Air and Nuclear Safety— Chair: Tom Carper, Ranking: John Barrasso
- Green Jobs and the New Economy— Chair: Bernie Sanders, Ranking: John Boozman
- Oversight— Chair: Sheldon Whitehouse, Ranking: Mike Johanns
- Superfund, Toxics and Environmental Health— Chair: Frank Lautenberg, Ranking: Mike Crapo
- Transportation and Infrastructure— Chair: Max Baucus, Ranking: David Vitter
- Water and Wildlife— Chair: Ben Cardin, Ranking: Jeff Sessions
- Ethics (Select)— Chair: Barbara Boxer, Ranking: Johnny Isakson
- Finance— Chair: Max Baucus, Ranking: Orrin Hatch
- Energy, Natural Resources, and Infrastructure— Chair: Jeff Bingaman, Ranking: John Cornyn
- Fiscal Responsibility and Economic Growth— Chair: Bill Nelson, Ranking: Mike Crapo
- Health Care— Chair: Jay Rockefeller, Ranking: John Ensign, then Chuck Grassley
- International Trade, Customs, and Global Competitiveness— Chair: Ron Wyden, Ranking: John Thune
- Social Security, Pensions, and Family Policy— Chair: Debbie Stabenow, Ranking: Tom Coburn
- Taxation and IRS Oversight— Chair: Kent Conrad, Ranking: Jon Kyl
- Foreign Relations— Chair: John Kerry, Ranking: Richard Lugar
- Western Hemisphere, Peace Corps and Narcotics Affairs— Chair: Robert Menendez, Ranking: Marco Rubio
- Near Eastern and South and Central Asian Affairs— Chair: Bob Casey, Ranking: Jim Risch
- African Affairs— Chair: Chris Coons, Ranking: Johnny Isakson
- East Asian and Pacific Affairs— Chair: Jim Webb, Ranking: James Inhofe
- International Operations and Organizations, Human Rights, Democracy and Global Women's Issues— Chair: Barbara Boxer, Ranking: Jim DeMint
- European Affairs— Chair: Jeanne Shaheen, Ranking: John Barrasso
- International Development and Foreign Assistance, Economic Affairs, and International Environmental Protection— Chair: Ben Cardin, Ranking: Bob Corker
- Health, Education, Labor, and Pensions— Chair: Tom Harkin, Ranking: Mike Enzi
- Subcommittee on Children and Families— Chair: Patty Murray, Ranking: Richard Burr
- Subcommittee on Employment and Workplace Safety— Chair: Barbara Mikulski, Ranking: Johnny Isakson
- Subcommittee on Primary Health and Aging— Chair: Bernie Sanders, Ranking: Rand Paul
- Homeland Security and Governmental Affairs— Chair: Joe Lieberman, Ranking: Susan Collins
- Contracting Oversight (Ad Hoc)— Chair: Claire McCaskill, Ranking: Rob Portman
- Disaster Recovery and Intergovernmental Affairs (Ad Hoc)— Chair: Mark Pryor, Ranking: John Ensign, then Rand Paul
- Federal Financial Management, Government Information and International Security— Chair: Thomas Carper, Ranking: Scott Brown
- Investigations (Permanent)— Chair: Carl Levin, Ranking: Tom Coburn
- Oversight of Government Management, the Federal Workforce and the District of Columbia— Chair: Daniel Akaka, Ranking: Ron Johnson
- Indian Affairs— Chair: Daniel Akaka, Ranking: John Barrasso
- Intelligence (Select)— Chair: Dianne Feinstein, Ranking: Saxby Chambliss
- Judiciary— Chair: Patrick Leahy, Ranking: Chuck Grassley
- Administrative Oversight and the Courts— Chair: Amy Klobuchar, Ranking: Jeff Sessions
- Antitrust, Competition Policy and Consumer Rights— Chair: Herb Kohl, Ranking: Mike Lee
- The Constitution, Civil Rights and Human Rights— Chair: Dick Durbin, Ranking: Lindsey Graham
- Crime and Terrorism— Chair: Sheldon Whitehouse, Ranking: Jon Kyl
- Immigration, Refugees and Border Security— Chair: Chuck Schumer, Ranking: John Cornyn
- Privacy, Technology and the Law— Chair: Al Franken, Ranking: Tom Coburn
- Rules and Administration— Chair: Chuck Schumer, Ranking: Lamar Alexander
- Small Business and Entrepreneurship— Chair: Mary Landrieu, Ranking: Olympia Snowe
- Veterans' Affairs— Chair: Patty Murray, Ranking: Richard Burr
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