Member, 9/11 Commission Caucus
Addiction, Treatment and Recovery Caucus
Co-Chair, Adopt a Country Caucus
Co-Founder, Adopt a Country Caucus
Member, Air Force Caucus
Member, Army Caucus
Member, Bicycle Caucus
Member, Blue Dog Coalition
Co-Chair, Caucus on the United Kingdom of Great Britain and Northern Ireland
Member, Center Aisle Caucus
Member, Coalition for Autism Research and Education Caucus
Member, Congressional Air Power Caucus
Member, Congressional Arts Caucus
Member, Congressional Automotive Performance and Motorsports Caucus
Member, Congressional Aviation and Space Caucus
Member, Congressional Boating Caucus
Member, Congressional Caucus on Community Health Centers
Member, Congressional Caucus on Hellenic Issues
Member, Congressional Caucus on India and Indian-Americans
Member, Congressional Caucus on the Judicial Branch
Member, Congressional Caucus on Turkey and Turkish Americans
Member, Congressional Cement Caucus
Member, Congressional Child Care Caucus
Member, Congressional Children's Caucus
Member, Congressional Coastal Caucus
Member, Congressional Coast Guard Caucus
Member, Congressional Diabetes Caucus
Member, Congressional Entertainment Industries Caucus
Member, Congressional Family Caucus
Member, Congressional Fire Services Caucus
Member, Congressional Furniture and Furnishings Caucus
Member, Congressional Glaucoma Caucus
Member, Congressional Hazard Caucus
Member, Congressional Heart and Stroke Coalition
Member, Congressional Immigration Reform Caucus
Member, Congressional Internet Caucus
Member, Congressional Labor and Working Families Caucus
Member, Congressional Manufactured Housing Caucus
Member, Congressional Manufacturing Caucus
Member, Congressional Missing and Exploited Children's Caucus
Member, Congressional Nanotechnology Caucus
Member, Congressional National Service Caucus
Member, Congressional Native American Caucus
Member, Congressional Physical Fitness Caucus
Co-Chair, Congressional Prayer Caucus
Member, Congressional Real Estate Caucus
Member, Congressional Rural Caucus
Member, Congressional Science and Math Educational Caucus
Member, Congressional Scouting Caucus
Member, Congressional Sex and Violence in the Media Caucus
Member, Congressional Shellfish Caucus
Member, Congressional Social Security Caucus
Member, Congressional Speedway Caucus
Member, Congressional Spina Bifida Caucus
Member, Congressional Sportsmen's Caucus
Member, Congressional Steel Caucus
Member, Congressional Task Force Against Anti-Semitism
Co-Chair, Congressional Task Force on Responsible Fatherhood
Member, Congressional Travel and Tourism Caucus
Member, Congressional United Kingdom Caucus
Co-Chair, Congressional Waterways Caucus
Member, Defense Study Group
Member, Democratic Task Force on Education
Member, Democratic Task Force on Children and Families
Member, Education Caucus
Co-Chair, Faith and Values Task Force
Member, Ferry and Waterborne Transportation Caucus
Co-Chair, Friends of Scotland Caucus
Co-Founder, Friends of Scotland Caucus
Member, Historic Preservation Caucus
Member, Homeland Security Caucus
Member, House Aerospace Caucus
Member, House Biotechnology Caucus
Member, House Cancer Caucus
Member, House Forest Task Force
Member, House Oceans Caucus
Member, House Pro-Life Caucus
Member, House Reading Caucus
Member, House Rural Education Caucus
Member, House Space Power Caucus
Member, House Vision Caucus
Member, International Conservation Caucus
Member, Iraq Fallen Heroes Caucus
Member, Law Enforcement Caucus
Member, Military Veterans Caucus
Member, National Guard and Reserve Component Caucus
Member, National Guard Youth Challenge Caucus
Member, Navy/Marine Corps Caucus
Member, Charter, North Carolina Commission on Children & Youth
Member, Charter, North Carolina Commission on the Family
Member, Older Americans Caucus
Member, Passenger Rail Caucus
Member, Public Pension Reform Caucus
Member, Port Security Caucus
Member, Rural Housing Caucus
Member, Science, Technology, Engineering, and Mathematics Caucus
Co-Chair, Special Operations Forces Caucus
Member, Steering Committee, Rural Health Care Coalition
Member, United States Commission on Security and Cooperation with Europe
Member, Water Infrastructure Caucus
Member, Wind Hazard Reduction Caucus
Co-Chair, Youth Sports Caucus
Founder, Youth Sports Caucus
Former Co-Chair, Rural Caucus Task Force on Jobs, Economic Development and Transportation