R
- Recording Arts and Sciences Congressional Caucus (RASCC)
- Rep. Mary Bono
- Rep. Steny Hoyer
- Renewable Energy and Energy Efficiency Caucus
- Rep. Mark Udall
- Rep. Zach Wamp
- Republican Study Committee
- Rep. Mike Pence
- Rep. Sue Myrick
- Rep. John Shadegg
- Rep. Dan Burton
- Rep. John Doolittle
- Rep. Ernest Istook
- Rep. Sam Johnson
- Research and Development Caucus
- Rep. Judy Biggert
- Rep. Rush D. Holt, Jr.
- River of Trade Corridor Congressional Caucus
- Rep. Ralph Hall
Read more about this topic: Caucuses Of The 109th United States Congress