| Male | Lamar Alexander,
John Barrasso,
Evan Bayh,
Bob Bennett,
Kit Bond,
Sam Brownback,
Jim Bunning,
Richard Burr,
Saxby Chambliss,
Tom Coburn,
Thad Cochran,
John Cornyn,
Mike Crapo,
Jim DeMint,
John Ensign,
Mike Enzi,
Lindsey Graham,
Chuck Grassley,
Judd Gregg,
Orrin Hatch,
James Inhofe,
Johnny Isakson,
Mike Johanns,
Jon Kyl,
Joseph Lieberman,
Mel Martinez,
John McCain,
Mitch McConnell,
Ben Nelson,
Bill Nelson,
James Risch,
Pat Roberts,
Jeff Sessions,
Richard Shelby,
John Thune,
David Vitter,
George Voinovich,
Roger Wicker | Daniel Akaka,
Max Baucus,
Mark Begich,
Michael Bennet,
Jeff Bingaman,
Sherrod Brown,
Roland Burris,
Ben Cardin,
Tom Carper,
Bob Casey,
Kent Conrad,
Bob Corker,
Chris Dodd,
Byron Dorgan,
Dick Durbin,
Russ Feingold,
Al Franken,
Tom Harkin,
Daniel Inouye,
Tim Johnson,
Edward Kaufman,
John Kerry,
Herb Kohl,
Frank Lautenberg,
Patrick Leahy,
Carl Levin,
Richard Lugar,
Robert Menendez,
Jeff Merkley,
Mark Pryor,
Jack Reed,
Harry Reid,
Jay Rockefeller,
Bernard Sanders,
Chuck Schumer,
Arlen Specter,
Jon Tester,
Tom Udall,
Mark Udall,
Mark Warner,
Jim Webb,
Sheldon Whitehouse,
Ron Wyden | Robert Byrd,
Edward Kennedy |