| Male | Lamar Alexander,
Wayne Allard,
Bob Bennett,
Sam Brownback,
Jim Bunning,
Richard Burr,
Saxby Chambliss,
Thad Cochran,
Norm Coleman,
Bob Corker,
John Cornyn,
Larry Craig,
Mike Crapo,
Jim DeMint,
Pete Domenici,
John Ensign,
Mike Enzi,
Lindsey Graham,
Chuck Grassley,
Judd Gregg,
Chuck Hagel,
Orrin Hatch,
James Inhofe,
Johnny Isakson,
Jon Kyl,
Trent Lott,
Richard Lugar,
Mel Martinez,
John McCain,
Mitch McConnell,
Ben Nelson,
Pat Roberts,
Jeff Sessions,
Richard Shelby,
Gordon Smith,
John Sununu,
John Thune,
David Vitter,
John Warner | Daniel Akaka,
Max Baucus,
Evan Bayh,
Joe Biden,
Jeff Bingaman,
Sherrod Brown,
Robert Byrd,
Ben Cardin,
Tom Carper,
Bob Casey,
Kent Conrad,
Chris Dodd,
Byron Dorgan,
Dick Durbin,
Russ Feingold,
Tom Harkin,
Edward Kennedy,
John Kerry,
Herb Kohl,
Frank Lautenberg,
Patrick Leahy,
Carl Levin,
Joseph Lieberman,
Robert Menendez,
Bill Nelson,
Barack Obama,
Mark Pryor,
Jack Reed,
Harry Reid,
Jay Rockefeller,
Kenneth Salazar,
Bernard Sanders,
Arlen Specter,
Jon Tester,
George Voinovich,
Jim Webb,
Sheldon Whitehouse,
Ron Wyden | Kit Bond,
Tom Coburn,
Daniel Inouye,
Tim Johnson,
Chuck Schumer,
Ted Stevens,
Craig Thomas |