Groups starting with A
Central organizations whose name in the IRS file starts with A, with chapters on file and Form 15644 windows.
IRS EO BMF, posted Oct 13, 2026
424 groups, page 2 of 2. Sorted by name.
- American Vaulting Association
- American Veterinary Medical Association
- American Village Communities Inc
- American Volkssport Association Inc
- American Water Works Association
- American Wheat Mission Inc
- American Youth Football Inc
- American Youth Hostels Inc
- Americans United for Separation of Church and State Inc
- Amf International Inc
- Amigos de las Americas
- Amikids Inc
- Amit Children Inc
- Amnesty International of the USA Inc
- AMVETS
- AMVETS National Headquarters
- Amyotrophic Lateral Sclerosis Assn
- Ananda Marga Gurukula Inc
- Anchorage Community Mental Health Services Inc
- Ancient & Accepted Scottish Rite of Free Masonry So Juris USA
- Ancient & Accepted Scottish Rite of Free Masonry Southern
- Ancient Accepted Scottish Rite of Freemasonry NMJ
- Ancient Egyptian Arabic Order Nobles Mystic Shrine of N & S Amer
- Ancient Free & Accepted Masons of Colorado Grand Lodge
- Ancient Free & Accepted Masons of Connecticut Grand Lodge
- Ancient Free & Accepted Masons of Idaho Grand Lodge
- Ancient Free & Accepted Masons of Illinois
- Ancient Free & Accepted Masons of Iowa
- Ancient Free & Accepted Masons of Maine Grand Lodge
- Ancient Free & Accepted Masons of Maryland Grand Lodge
- Ancient Free & Accepted Masons of Minnesota Grand Lodge
- Ancient Free & Accepted Masons of Montana Grand Lodge
- Ancient Free & Accepted Masons of N D
- Ancient Free & Accepted Masons of New Mexico Grand Lodge
- Ancient Free & Accepted Masons of North Carolina Grand Lodge
- Ancient Free & Accepted Masons of Oklahoma
- Ancient Free & Accepted Masons of Oregon Grand Lodge
- Ancient Free & Accepted Masons of South Dakota Grand Lodge
- Ancient Free & Accepted Masons of West Virginia Most Worshipful
- Ancient Free & Accepted Masons of Wyoming
- Ancient Free Masons of South Carolina
- Ancient Mystic Order of Samaritans of the U S & Canada Inc
- Ancient Order of Hibernians in America the Parent Org
- Angel Flight of New England Inc
- Angelman Syndrome Foundation Inc
- Anthroposophical Society in America
- Aoac International
- Aoc Educational Foundation Inc
- Apmi International
- Appa-Association of Higher Education Facilities Officers
- Applied Scholastics International
- Appraisal Institute
- Apprentice & Journeyman TRG Tr Fund of So Ca Plmg Htg & Piping Indus
- Apra
- Arc Minnesota Inc
- Arc of Acadiana Inc
- Arc of Arizona Inc
- Arc of New Jersey Inc
- Arc of North Dakota Inc
- Arc of St Martin Inc
- Arizona Association for the Gifted & Talented
- Arizona Baptist Childrens Services
- Arizona Congress of Parents & Teach Ers
- Arizona Federation of Garden Clubs Inc
- Arizona Historical Society
- Arkansas Extension Homemakers Council
- Armed Forces Communications and Electronics Association
- Armed Services YMCA of the USA
- Armenian General Benevolent Union
- Army and Navy Union of the USA
- Army Aviation Association of America Inc
- Arnold Air Society-Silver Wings Exec Mgmt Center
- Arrow Child & Family Ministries
- Art Libraries Society of North America
- Arthritis Foundation Inc
- Artisans Order of Mutual Protection Most Excellent Assembly
- Ascension Seton
- Ascentria Care Alliance Inc
- Ascls-Colorado
- Aset the Neurodiagnostic Society
- Ashtabula Area Chamber of Commerce
- Ashtabula County Medical Center
- Asian American Insurance and Financial Professional Association
- Asian Pacific American Internal Revenue Employees
- Asian Pacific American Labor Alliance AFL-CIO
- Asis International Inc
- Asm International
- Aspire of Western New York Inc
- Asset Inc
- Assoc for Education & Rehbltatn of the Blind & Visually Impaired
- Associated Builders & Contractors Inc
- Associated Square Dancers
- Associates of Vietnam Veterans of America Inc
- Association for Career and Techinical Education Inc
- Association for Commuter Transportation
- Association for Computing Machinery Inc
- Association for Conflict Resolution
- Association for Corporate Growth Inc
- Association for Gifted & Talented Students of la
- Association for Healthcare Documentation Integrity
- Association for Intelligent Information Management
- Association for Linen Management
- Association for Persons in Supported Employment
- Association for Professionals in Infection Ctrl & Epidemiology Inc
- Association for Quality & Participation
- Association for Research and Enlightenment Inc
- Association for Retarded Citizens Housing Development Services Inc
- Association for Supervisor and Curriculum Development
- Association for Supply Chain Management Inc
- Association for the Education of Young Children-Missouri
- Association for Vascular Access
- Association for Women Geoscientists
- Association for Women in Computing Inc
- Association for Women in Science Inc
- Association of American Educators
- Association of California State Supervisors Inc
- Association of Camps Farthest Out Inc
- Association of Certified Fraud Specialists Inc
- Association of Civilian Technicians Inc
- Association of Clinical Research Professionals
- Association of Commuter Rail Employees Acre
- Association of Continuity Professionals
- Association of Corporate Counsel
- Association of Desk & Derrick Clubs
- Association of Diabetes Care & Education Specialists
- Association of Energy Engineers Inc
- Association of Former Special Agents of the Internal Revenue
- Association of Fundraising Professionals
- Association of Information Technology Professionals
- Association of Late Deafened Adults Inc
- Association of Notre Dame Clubs Inc
- Association of Occupational Health Professionals
- Association of Old Crows
- Association of Operating Room Nurses Inc
- Association of Pediatric Hematology Oncology Nurses Inc
- Association of Pennsylvania State College and University Faculties
- Association of Professional Genealogists
- Association of Proposal Management Professionals
- Association of Records Managers & Administrators
- Association of Rehabilitation Nurses
- Association of School Business Officials International
- Association of Sewing and Design Professionals Inc
- Association of Texas Professional Educators
- Association of the United States Navy Inc
- Association of Traditional Hooking Artists
- Association of Wa-Tan-Ye Clubs
- Association of Western Pulp and Paper Workers
- Association of Women in the Metal Industries Inc
- Assured Life Association
- Asthma & Allergy Foundation of America National
- Athletic Equipment Managers Association Inc
- Athol Young Mens Christian Association and Subsidiary
- Atlanta Chapter National Railway Historical Society Inc
- Atlantic Health System Inc
- Atlanticare Health System Inc
- Audi Car Club of North America Inc
- Aultman Health Foundation
- Aurora Health Care Inc
- Aurora Ultimate Boosters
- Autism Society of America Inc
- Autism Society of Wisconsin Inc
- Autism Speaks Inc
- Automotive Service Councils of California
- Auxiliary Department of Minnesota Veterans of Foreign Wars
- Avance Inc
- The Agents Association
- The American Ceramic Society Inc
- The American Geriatrics Society Inc
- The Arc of Delaware Inc
- The Arc of Georgia Services Corporation
- The Arc of Iowa
- The Arc of South Carolina
- The Arc of Texas
- The Association of Nurses in Aids Care