- Baucus, Max✖[remove]40
- Rockefeller, John D., IV (John Davison), 1937-38
- Grassley, Charles14
- Dodd, Chris5
- Kennedy, Edward M. (Edward Moore), 1932-20095
- Enzi, Michael B., 1944-4
- Stabenow, Debbie4
- Wyden, Ron, 1949-4
- Conrad, Kent, 1948-3
- Boozman, John, 1950-1
- Daschle, Thomas1
- Manchin, Joe, III, 1947-1
