WeeksJohn W. Weeks (R-MA) | 19161916 |
GallingerJacob H. Gallinger (R-NH) | 19181918 |
PoindexterMiles Poindexter (R, PR-WA) | 1920_192119201921 |
McCormickJ. Medill McCormick (R-IL) | 1921_192219211922 |
MosesGeorge H. Moses (R-NH) | 1922_192419221924 |
FessSimeon D. Fess (R-OH) | 1925_192619251926 |
Phipps Lawrence C. Phipps (R-CO) | 1926_192719261927 |
MosesGeorge H. Moses (R-NH) | 1927_192819271928 |
Metcalf Jesse H. Metcalf (R-RI) | 1928_192919281929 |
MosesGeorge H. Moses (R-NH) | 1929_193019291930 |
NyeGerald P. Nye (R-ND) | 1930_193119301931 |
HatfieldHenry D. Hatfield (R-WV) | 1931_193219311932 |
DickinsonLester J. Dickinson (R-IA) | 1932_1934>19321934 |
HastingsDaniel O. Hastings (R-DE) | 1934_193619341936 |
TownsendJohn G. Townsend, Jr. (R-DE)
1
| 1936_194919361949 |
BrewsterRalph O. Brewster (R-ME) | 1949_195119491951 |
BridgesH. Styles Bridges (R-NH) | 1951_195319511953 |
DirksenEverett M. Dirksen (R-IL) | 1953_195519531955 |
GoldwaterBarry M. Goldwater (R-AZ) | 1955_195619551956 |
SchoeppelAndrew F. Schoeppel (R-KS) | 1956_195919561959 |
GoldwaterBarry M. Goldwater (R-AZ) | 1959_196319591963 |
MortonThruston B. Morton (R-KY) | 1963_196719631967 |
MurphyGeorge L. Murphy (R-CA) | 1967_196919671969 |
TowerJohn G. Tower (R-TX) | 1969_197119691971 |
DominickPeter H. Dominick (R-CO) | 1971_197319711973 |
BrockWilliam E. Brock III (R-TN) | 1973_197519731975 |
StevensTed Stevens (R-AK) | 1975_197719751977 |
PackwoodRobert W. Packwood (R-OR) | 1977_197919771979 |
HeinzH. John Heinz III (R-PA) | 1979_198119791981 |
PackwoodRobert W. Packwood (R-OR) | 1981_198319811983 |
LugarRichard G. Lugar (R-IN) | 1983_198519831985 |
HeinzH. John Heinz III (R-PA) | 1985_198719851987 |
BoschwitzRudy Boschwitz (R-MN) | 1987_198919871989 |
NicklesDonald L. Nickles (R-OK) | 1989_199119891991 |
GrammPhil Gramm (R-TX) | 1991_199519911995 |
D'AmatoAlfonse M. D'Amato (R-NY) | 1995_199719951997 |
McConnellMitch McConnell (R-KY) | 1997_200119972001 |
FristWilliam H. Frist (R-TN) | 2001_200320012003 |
AllenGeorge Allen (R-VA) | 2003_200520032005 |
DoleElizabeth H. Dole (R-NC) | 2005_200720052007 |
EnsignJohn E. Ensign (R-NV) | 2007_200820072008 |
CornynJohn Cornyn (R-TX) | 2009_201320092013 |
MoranJerry Moran (R-KS) | 2013_201520132015 |
WickerRoger F. Wicker (R-MS) | 2015_201720152017 |
GardnerCory Gardner (R-CO) | 2017_201920172019 |
YoungTodd Young (R-IN) | 2019_202120192021 |
ScottRick Scott (R-FL) | 2021_202320212023 |
DainesSteve Daines (R-MT) | 2023_202520232025 |
ScottTim Scott (R-SC) | 2025_2025present |