| Alexander (R-TN) | ||
| Allard (R-CO) | ||
| Barrasso (R-WY) | ||
| Bennett (R-UT) | ||
| Bond (R-MO) | ||
| 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) | ||
| Enzi (R-WY) | ||
| Ensign (R-NV) | ||
| 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) | ||
| Warner (R-VA) | ||