National Republican Senatorial Committee
Campaign committee for Republican U.S. Senate candidates
Republican National Committee
U.S. political committee that leads the Republican Party of the U.S., a/k/a The Grand Ol' Party/GOP
Donald A Manzullo
US Representative from Illinois
Joe Walsh
2020 Presidential candidate; Radio personality; Former US Rep. from Illinois
Unintimidated PAC
Scott Walker's 2016 presidential unlimited fundraising PAC
Mitt Romney
U.S. senator from Utah, former Massachusetts governor
Mark Steven Kirk
US Senator and Representative from Illinois