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Caucuses of the United States Congress

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A congressional caucus is a group of members of the United States Congress that meets to pursue common legislative objectives. Formally, caucuses are formed as Congressional Member Organizations (CMOs) through the United States House of Representatives and governed under the rules of that chamber. Caucuses are informal in the Senate, and unlike their House counterparts, Senate groups receive neither official recognition nor funding from the chamber. In addition to the term caucus, they are sometimes called coalitions, study groups, task forces, or working groups.[1]

This is a list of congressional CMOs of the United States Congress, as listed by the House Administration Committee as of June 3, 2019.[2] This article also contains a list of sponsoring Members for Congressional Staff Organizations (CSOs) as of June 11, 2019.[3]

Congressional Member Organizations (CMOs)Edit



  • Airborne Intelligence, Surveillance and Reconnaissance (ISR) Caucus
  • Appalachian National Scenic Trail Caucus
  • Army Corps of Engineers Reform Caucus
  • Assyrian Caucus



  • California Democratic Congressional Delegation
  • Congressional Airborne Intelligence, Surveillance and Reconnaissance (ISR) Caucus
  • Congressional American Religious Freedom Caucus
  • Congressional Article I Caucus
  • Congressional Border Security Caucus
  • Congressional Caribbean Caucus
  • Congressional Caucus for Effective Foreign Assistance
  • Congressional Caucus for a Member-Driven House
  • Congressional Caucus on Certified Public Accountants (CPAs) and Accountants
  • Congressional Caucus on Ethnic and Religious Freedom in Sri Lanka
  • Congressional Caucus on Smart Cities
  • Congressional Caucus on Multicultural Media
  • Congressional Chronic Obstructive Pulmonary Disease (COPD) Caucus
  • Congressional College Football Caucus
  • Congressional Dietary Supplement Caucus
    • Chair/Co-Chair(s): Vacant (R)
  • Congressional E-Learning Caucus
  • Congressional Emergency Medical Services (EMS) Caucus
  • Congressional Financial Security and Life Insurance Caucus
  • Congressional Food Safety Caucus
  • Congressional Friends of Scotland Caucus
  • Congressional Friends of Wales Caucus
  • Congressional Hazards Caucus
  • Congressional Higher Education Caucus
  • Congressional House Manufacturing Caucus
  • Congressional Innovation Caucus
  • Congressional Integrative Health and Wellness Caucus
  • Congressional Interstate 73/73/75 Caucus
  • Congressional Israel Victory Caucus
  • Congressional Mentoring Caucus
  • Congressional Military Mental Health Caucus
  • Congressional National Guard and Reserve Components Caucus
  • Congressional Open Source Caucus
    • Chair/Co-Chair(s): Vacant (R)
  • Congressional Orphan Counties Caucus
  • Congressional Paid Parental Leave Caucus
  • Congressional Pension Protection for Working Americans Caucus
  • Congressional Ports Opportunity, Renewal, Trade and Security (PORTS) Caucus
  • Congressional Prayer Caucus
  • Congressional Range and Testing Center Caucus
  • Congressional Rugby Caucus
  • Congressional School Choice Caucus
  • Congressional Sickle Cell Caucus
  • Congressional Sindh Caucus
  • Congressional Social Work Caucus
  • Congressional U.S. Expatriate Caucus (Expat Caucus)
  • Congressional U.S.-Mexico Friendship Caucus
  • Congressional Victims' Rights Caucus
  • Congressional Writers Caucus
  • Conservative Opportunity Society


  • Distributed Generation Caucus





  • Hidden Heroes Caucus for Military and Veteran Caregivers
  • House Outdoor Recreation Caucus
  • Hydrogen and Fuel Cell Caucus






  • National Heritage Area Caucus









Congressional Staff Organizations (CSOs)Edit

  • Congressional Asian Pacific American Staff Association (CAPASA)
  • Clean Energy and Technology Staff Association
  • Democratic Digital Communications Staff Association
  • Dreamers Congressional Staff Association
  • Korean American Staff Association
  • Latter-Day Saint (LDS) Staff Association
  • Professional Administrative Managers (PAM)
  • Republican Communications Association (RCA)
  • Women’s Congressional Staff Association


  1. ^ Glassman, Matthew E. (January 26, 2017), "Congressional Member Organizations: Their Purpose and Activities, History, and Formation" (PDF), CRS Report, Congressional Research Service, (#7-5700, R40683), retrieved March 28, 2017
  2. ^ "116th Congress Congressional Member Organizations (CMOs)" (PDF). United States House of Representatives. June 3, 2019. Retrieved June 15, 2019.
  3. ^ "116th Congress Congressional Staff Organizations (CSOs)" (PDF). United States House of Representatives. June 11, 2019. Retrieved June 15, 2019.

See alsoEdit