| AAA | American Ambulance Association |
| AACEM | Association of Academic Chairs of Emergency Medicine |
| AAFP | American Academy of Family Practice |
| AAHP | American Association of Health Plans |
| AAMC | American Association of Medical Colleges |
| AAMS | Association of Air Medical Services |
| AAOS | American Academy of Orthopaedic Surgeons |
| AAP | American Academy of Pediatrics |
| AAPPO | American Association of Preferred Provider Organizations |
| AARC | American Association of Respiratory Care |
| AARP | American Association of Retired Persons |
| AAUAP | American Association of University Affiliated Programs |
| ABA | American Bar Association |
| ABEM | American Board of Emergency Medicine |
| ABMS | American Board of Medical Specialties |
| ACEP | American College of Emergency Physicians |
| ACS(COT) | American College of Surgeons (Committee on Trauma) |
| AHA | American Heart Association |
| AhA | American Hospital Association |
| AHCL | American Health Care Lawyers |
| AHCPR | Agency for Health Care Policy and Research |
| AMA | American Medical Association |
| AMIA | American Medical Informatics Association |
| AMPA | Air Medical Physician Association |
| ANA | American Nurses Association |
| APA | American Psychological Association |
| APCO | Association of Public-Safety Communications Officials - Int’l |
| APHA | American Public Health Association |
| ARC | American Red Cross |
| ASPA | American Society of Public Administrators |
| ASPH | Association of Schools of Public Health |
| ASTHO | Association of State and Territorial Health Officers |
| ASTM | American Society for Testing and Materials |
| ATPM | Association of Teachers of Preventive Medicine |
| ATS | American Trauma Society |
| AUPHA | Association of University Programs Health Administration |
| CAAHEP | Commission of Accreditation of Allied Health Education Programs |
| CDC | Centers for Disease Control and Prevention |
| CFSI | Congressional Fire Services Institute |
| CORD | Council of Residency Directors (Emergency Medicine) |
| CTIA | Cellular Telecommunications Industry Association |
| DHHS | Department of Health and Human Services |
| EMRA | Emergency Medicine Residents Association |
| EMS-C | Emergency Medical Services for Children |
| EMS-G | Emergency Medical Services for Geriatrics |
| ENA | Emergency Nurses Association |
| ENCare | Emergency Nurses Care |
| FCC | Federal Communications Commission |
| FDA | Food and Drug Administration |
| FEMA | Federal Emergency Management Agency |
| FICEMS | Federal Interagency Commission for Emergency Medical Services |
| HCFA | Health Care Finance Administration |
| HIAA | Health Insurance Association of America |
| HRSA | Health Resources and Services Administration |
| IAFC | International Association of Fire Chiefs |
| IAFF | International Association of Fire Fighters |
| ICISF | International Critical Incident Stress Foundation |
| JRC | Joint Review Committee for Education Programs EMT-P |
| MCHB | Maternal and Child Health Bureau |
| NAC | National Association of Counties |
| NABN | National Association of Boards of Nursing |
| NACCHO | National Association of County & City Health Officials |
| NAEMD | National Association of Emergency Medical Dispatch |
| NAEMSE | National Association of EMS Educators |
| NAEMSP | National Association of EMS Physicians |
| NAEMSQP | National Association of EMS Quality Professionals |
| NAEMT | National Association of Emergency Medical Technicians |
| NAFR | National Association of First Responders |
| NAHP | National Association of Health Plans |
| NASEMSD | National Association of State EMS Directors |
| NCQA | National Committee for Quality Assurance |
| NCSEMSTC | National Council of State EMS Training Coordinators |
| NCSL | National Conference of State Legislatures |
| NEMA | National Emergency Management Association |
| NEMSA | National EMS Alliance |
| NENA | National Emergency Number Association |
| NIH | National Institutes of Health |
| NIOSH | National Institute for Occupational Safety and Health |
| NFA | National Fire Academy |
| NFNA | National Flight Nurses Association |
| NFPA | National Flight Paramedics Association |
| NHAAP | National Heart Attack Alert Program |
| NHTSA | National Highway Traffic Safety Administration |
| NLC | National League of Cities |
| NREMT | National Registry of Emergency Medical Technicians |
| NRHA | National Rural Health Association |
| NSC | National Safety Council |
| OSHA | Occupational Safety and Health Administration |
| SAEM | Society for Academic Emergency Medicine |
| STIPDA | State and Territorial Injury Prevention Directors Association |
| USFA | United States Fire Administration |