Republican Senators
The defenders of the Constitution in the Upper Chamber.
Top Senate Supporters
National Rifle Association
$5,400,000
Heritage Foundation
$3,200,000
Club for Growth
$2,800,000
Koch Industries
$2,500,000
U.S. Chamber of Commerce
$2,100,000
119th Congress - Current Members
Historical Archive (1975–2024)
A registry of every Republican who has served in the Senate over the past 50 years.