The 26 no votes came mostly from conservative Republicans, though six liberal Democrats (counting independent socialist Bernie Sanders, who caucuses with the Dems) and nominally conservative Democrat Ben Nelson also voted no. In alphabetical order:

Kelly Ayotte (R-NH)
Saxby Chambliss (R-GA)
Dan Coats (R-IN)
Tom Coburn (R-OK)
Jim DeMint (R-SC)
Kirsten Gillibrand (D-NY)
Lindsey Graham (R-SC)
Chuck Grassley (R-IA)
Tom Harkin (D-IA)
Orrin Hatch (R-UT)
Dean Heller (R-NV)
Jim Inhofe (R-OK)
Ron Johnson (R-WI)
Frank Lautenberg (D-NJ)
Mike Lee (R-UT)
Bob Menendez (D-NJ)
Jeff Merkley (D-OR)
Jerry Moran (R-KS)
Ben Nelson (D-NE)
Rand Paul (R-KY)
Marco Rubio (R-FL)
Bernie Sanders (I-VT)
Jeff Sessions (R-AL)
Richard Shelby (R-AL)
Pat Toomey (R-PA)
David Vitter (R-LA)