The following organizations, which I would classify as conservative, all rate members of Congress on issues that they, the organizations, consider to be most important:
- The American Conservative Union: Congressional Ratings
- Free Trade, Free Markets: Rating Congress
- NTU (National Taxpayers Union) Rates Congress
- Council for Citizens Against Government Waste: Congressional Ratings
- Americans for Better Immigration: Immigration Report Cards
- Americans for Tax Reform: Congressional Ratings and Awards
- Center for Security Policy: National Security Scorecard 2007-2008
- Eagle Forum Scoreboard
- Family Research Council: Voting Records
- Federation for American Immigration Reform: Voting Reports
- FreedomWorks Key Votes: Economic Scorecard
- American Land Rights Association
- Gun Owners of America: GOA House Ratings, GOA Senate Ratings