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 1 of 2. Sorted by name.
- A B a T E of Illinois Inc
- A Special Wish Foundation Inc
- Aace International
- AARP
- Aba Marketing Network
- Abate of Oregon-Parent Organization
- ABC for Health Incorporated
- Ability Tree Inc
- Abortion Forward
- About Face Veterans Against the War
- Acacia Fraternity Incorporated
- Academy of General Dentistry
- Academy of Managed Care Pharmacy a New Jersey Nonprofit Corporation
- Accessability Inc
- Accounting and Financial Womens Alliance
- Ace Mentor Program of America Inc
- Active 20-30 United States and Canada
- Acts Ministry
- Acts Missions
- Acts Retirement Services Inc
- Adapt Incorporated
- Adrian Empire Incorporated
- Adsc the International Association of Foundation Drilling
- Advaita Society
- Advance Child Care Inc
- Adventure Novelty Association
- Advocate Health Care Network
- Advocates for the American Osteopathic Association
- Afcea Educational Foundation
- Affiliated Blind of Louisiana Inc
- Affordable Communities Inc Parent Return
- Affordable Community Housing Trust
- Affordable Housing Preservation Foundation
- Afmc Inc
- African-American Postal League United for Success a-Plus
- Afro-American Historical and Genealogical Society
- Aga
- Agape Maya Inc
- Agricultural Benevolent Society of St Isidore
- Ahc Inc
- Aids Alabama Inc
- Aimusic US
- Air & Space Forces Association
- Air Force Sergeants Association
- Air Line Pilots Association International
- Aircraft Mechanics Fraternal Association
- Alabama Baptist Retirement Centers Inc
- Alabama Credit Union Administration
- Alabama Federation of Womens Clubs
- Alabama Optometric Association
- Alabama Power Company Energizers Inc
- Alabama Power Service Organization Inc
- Alabama Treasure Forest Association
- Alaska Council of School Administrators
- Alaska Peace Officers Association
- Alaska PTA
- Albany Med Health System
- Albany State University National Alumni Association
- All As One Inc
- All Nations Church of God Incorporated
- Allegheny Council to Improve Our Neighborhoods-Housing Incorporated
- Allendale Parent & Booster Organizations
- Alliance for Retired Americans
- Alliance for Transformational Ministry
- Alliance of Bikers Aimed Toward Education
- Alliance of Polish Clubs in the United States of America
- Alliance of the Friends of the Dekalb County Public Library
- Alliance of Transylvania Saxons of US
- Alliant Health Group Inc
- Alpha Chi Omega Fraternity Inc
- Alpha Chi Sigma Fraternity Natl Office
- Alpha Delta Kappa Sorority Inc
- Alpha Delta Phi International Inc
- Alpha Delta Pi Sorority
- Alpha Epsilon Delta
- Alpha Epsilon Phi Sorority Inc
- Alpha Epsilon Pi Fraternity Inc
- Alpha Eta National Honor Society
- Alpha Gamma Delta Fraternity
- Alpha Gamma Rho Fraternity
- Alpha Iota Sorority
- Alpha Kappa Alpha Sorority Inc
- Alpha Kappa Psi Fraternity Inc
- Alpha Lambda Delta
- Alpha Omega Alpha Honor Medical Society
- Alpha Omega International Dental Fraternity Inc
- Alpha Omicron Pi Fraternity Inc
- Alpha Phi International Fraternity Inc
- Alpha Phi Omega National Service Fraternity
- Alpha Phi Sigma Inc
- Alpha Pi Chi National Sorority Inc
- Alpha Pi Mu Association
- Alpha Project for the Homeless
- Alpha Sigma Alpha Sorority
- Alpha Sigma Phi Fraternity Inc
- Alpha Sigma Tau Sorority Inc
- Alpha Tau Delta National Fraternity for Professional Nurses
- Alpha Tau Omega Fraternity
- Alpha XI Delta Fraternity
- Alpha XI Delta National Housing Corporation Inc
- Alpha Zeta Omega Pharmaceutical Fraternity
- Alternatives to Violence Project Inc
- Alternatives to Violence Project USA Inc
- Altrusa International Foundation Inc
- Altrusa International Inc
- Alumnae Association of Barnard College
- Alumnae Association of Mount Holyoke College Inc
- Alzheimers Disease and Related Disorders Association Inc
- Amalgamated Transit Union
- Amateur Athletic Union of the US Inc
- America Scores
- America World Adoption Association
- American Academy of Family Physicians
- American Academy of Implant Dentistry
- American Academy of Matrimonial Lawyers
- American Academy of Pediatric Dentistry
- American Academy of Psychiatry & the Law
- American Art Therapy Association Inc
- American Association for Marriage and Family Therapy Inc
- American Association of Birth Centers
- American Association of Candy Technologists National Chapter
- American Association of Colleges for Teacher Education
- American Association of Endodontists
- American Association of Family and Consumer Sciences
- American Association of Healthcare Administrative Management
- American Association of Legal Nurse Consultants
- American Association of Neuroscience Nurses
- American Association of Pharmaceutical Scientists
- American Association of Physicists in Medicine
- American Association of University Women Inc
- American Association of Zoo Keepers
- American Backflow Prevention Association
- American Begonia Society
- American Bikers Aimed Toward Education Inc
- American Blind Bowling Association Inc
- American Board of Trial Advocates
- American Brittany Club Inc
- American Cancer Society Inc
- American Cetacean Society
- American Chemical Society
- American Chiropractic Association Inc
- American Christian Fiction Writers Inc
- American Civil Liberties Union Inc
- American Coach Association
- American College Health Association
- American College of Clinical Pharmacy
- American College of Dentists Inc
- American College of Emergency Physicians
- American College of Foot and Ankle Surgeons
- American College of Healthcare Executives
- American College of Medical Quality
- American College of Nurse-Midwives
- American College of Osteopathic Surgeons
- American College of Physicians Inc
- American College of Physicians Services Inc
- American College of Prosthodontists
- American College of Sports Medicine Inc
- American Construction Inspectors Association
- American Council of the Blind of Texas Inc
- American Counseling Association
- American Cowboys Team Roping Association
- American Dental Assistants Association
- American Diabetes Association Inc
- American Emu Association
- American Federation of Government Employees
- American Federation of Labor & Congress of Industrial Orgs
- American Federation of Musicians of the US & Canada
- American Federation of State County & Municipal Employees
- American Federation of Teachers
- American Fence Association Inc
- American Fisheries Society Inc
- American Forage and Grassland Council
- American Foundation for Affordable Housing Inc
- American Foundry Society
- American Gaelic Games
- American Gi Forum of the U S
- American Group Psychotherapy Assn Inc
- American Guild of Organists Ago
- American Harp Society Inc
- American Hemerocallis Society
- American Heritage Girls Inc
- American Hibiscus Society Inc
- American Humanist Association
- American Immigration Lawyers Association
- American Independent Business Alliance
- American Industrial Hygiene Association
- American Inns of Court Foundation
- American Institute of Aeronautics and Astronautics
- American Institute of Chemical Engineers
- American Institute of Graphic Arts
- American Institute of Professional Geologists
- American Iris Society
- American Land Title Association
- American Leadership Forum National
- American Legion
- American Legion Auxiliary
- American Logistics Association
- American Marketing Association Inc
- American Massage Therapy Assn
- American Medical Womens Association Inc
- American Music Therapy Association
- American Musicological Society Inc
- American Mutual Life Association
- American Nephrology Nurses Association
- American Opportunity Foundation Inc
- American Optometric Student Association Incorporated
- American Orff-Schulwerk Association
- American Pharmacists Association
- American Planning Association
- American Postal Workers Accident Benefit Association
- American Postal Workers Union
- American Postal Workers Union Auxiliary
- American Psychiatric Nurses Association
- American Psychological Association
- American Religious Town Hall Meeting Incorporated
- American Rental Association
- American Research Center in Egypt Inc
- American Rhododendron Society
- American Rose Society
- American Sewing Guild Inc
- American Society for Clinical Laboratory Science
- American Society for Clinical Laboratory Science Washington
- American Society for Indexing
- American Society for Photogrammetry and Remote Sensing
- American Society for Public Administration
- American Society for Training and Development
- American Society of Addiction Medicine Inc
- American Society of Agricultural and Biological Engineers
- American Society of Appraisers
- American Society of Cardiovascular Professionals
- American Society of Civil Engineers
- American Society of Hand Therapists
- American Society of Heating Refrigerating & a-C Engineers
- American Society of Highway Engineers
- American Society of Interior Designers Inc
- American Society of Media Photographers Inc
- American Society of Plumbing Engineers
- American Society of Radiologic Technologists
- American Society of Safety Professionals
- American Society of Travel Advisors Inc
- American Sokol Organization and Educational and Physical Culture O
- American Soybean Association
- American Staffing Association
- American Statistical Association
- American String Teachers Association Incorporated
- American Student Dental Association
- American Thoracic Society Inc
- American Train Dispatchers Association
- American Trauma Society
- American Turkish Association of Southern California