National Republican Senatorial Committee
Campaign committee for Republican U.S. Senate candidates
Right To Rise PAC
Jeb Bush-affiliated PAC
Mitt Romney
U.S. senator from Utah, former Massachusetts governor
Marco Rubio
Secretary of State. former US Senator from Florida; 2016 GOP presidential primary candidate
Republican National Committee
U.S. political committee that leads the Republican Party of the U.S., a/k/a The Grand Ol' Party/GOP
Bill Cassidy
US Senator and former Representative from Louisiana
Joe Crowley
Lobbyist, former Congressperson (D-NY 14)
Rob Portman
US Senator from Ohio (2011-present); former US Representative (1993-2007); former dir. OMB