- Tammy Baldwin Senator from WI, Democratic
- Jim Banks Senator from IN, Republican
- John Barrasso Senator from WY, Republican
- Michael F. Bennet Senator from CO, Democratic
- Marsha Blackburn Senator from TN, Republican
- Richard Blumenthal Senator from CT, Democratic
- Lisa Blunt Rochester Senator from DE, Democratic
- Cory A. Booker Senator from NJ, Democratic
- John Boozman Senator from AR, Republican
- Mike Braun Senator from IN, Republican
- Katie Boyd Britt Senator from AL, Republican
- Sherrod Brown Senator from OH, Democratic
- Ted Budd Senator from NC, Republican
- Laphonza R. Butler Senator from CA, Democratic
- Maria Cantwell Senator from WA, Democratic
- Shelley Moore Capito Senator from WV, Republican
- Benjamin L. Cardin Senator from MD, Democratic
- Thomas R. Carper Senator from DE, Democratic
- Robert P. Casey Jr. Senator from PA, Democratic
- Bill Cassidy Senator from LA, Republican