| Alexander (R-TN) | ||||
| Allard (R-CO) | ||||
| Barrasso (R-WY) | ||||
| Bennett (R-UT) | ||||
| Bond (R-MO) | ||||
| Brownback (R-KS) | ||||
| Bunning (R-KY) | ||||
| Burr (R-NC) | ||||
| Chambliss (R-GA) | ||||
| Coburn (R-OK) | ||||
| Cochran (R-MS) | ||||
| Coleman (R-MN) | ||||
| Collins (R-ME) | ||||
| Corker (R-TN) | ||||
| Cornyn (R-TX) | ||||
| Craig (R-ID) | ||||
| Crapo (R-ID) | ||||
| DeMint (R-SC) | ||||
| Dole (R-NC) | ||||
| Domenici (R-NM) | ||||
| Ensign (R-NV) | ||||
| Enzi (R-WY) | ||||
| Grassley (R-IA) | ||||
| Gregg (R-NH) | ||||
| Hatch (R-UT) | ||||
| Hutchison (R-TX) | ||||
| Inhofe (R-OK) | ||||
| Isakson (R-GA) | ||||
| Kyl (R-AZ) | ||||
| Lott (R-MS) | ||||
| McCain (R-AZ) | ||||
| McConnell (R-KY) | ||||
| Murkowski (R-AK) | ||||
| Roberts (R-KS) | ||||
| Sessions (R-AL) | ||||
| Shelby (R-AL) | ||||
| Smith (R-OR) | ||||
| Snowe (R-ME) | ||||
| Stevens (R-AK) | ||||
| Sununu (R-NH) | ||||
| Thune (R-SD) | ||||
| Vitter (R-LA) | ||||
| Voinovich (R-OH) | ||||
| Warner (R-VA) | ||||