| senator | state | length of service |
| Russell Long | |
| Karl Mundt | |
| Knute Nelson | |
| Arthur Capper | |
| Arlen Specter | |
| Jesse Helms | |
| James Murray | |
| Robert Byrd | |
| Orrin Hatch | |
| George Norris | |
| Mitch McConnell | |
| Claiborne Pell | |
| Christopher Dodd | |
| Daniel Moynihan | |
| John Jones | |
| John Glenn | |
| Milton Young | |
| John McClellan | |
| Paul Sarbanes | |
| Arthur Vandenburg | |
| Edward Kennedy | |
| Don Nickles | |
| Henry Teller | |
| Kenneth McKellar | |
| Carl Hayden | |
| Ted Stevens | |
| | senator | state | length of service |
| Francis Cockrell | |
| Pete Domenici | |
| Strom Thurmond | |
| Joe Biden | |
| John Stennis | |
| Frank Lautenberg | |
| Pat Leahy | |
| Shelby Cullom | |
| Richard Russell | |
| William Proxmire | |
| William Borah | |
| John Sparkman | |
| Francis Warren | |
| Richard Lugar | |
| Warren Magnuson | |
| William Allison | |
| Jacob Gallinger | |
| Duncan Fletcher | |
| Morris Sheppard | |
| Mark Hatfield | |
| Furnifold Simmons | |
| Harry Byrd | |
| Daniel Inouye | |
| Hiram Johnson | |
| William Frye | |
|