Form 15644 windows opening in July 2027
Groups whose yearly Form 15644 window opens in July 2027: usually those whose fiscal year ends in October. Useful for planning a season of filings.
IRS EO BMF, posted Oct 13, 2026
186 groups. Sorted by chapters on file, largest first.
- American Legion Auxiliary
- Kiwanis International Inc
- International Association of Fire Fighters
- Civil Service Employees Association
- Optimist International
- Ruritan National Corp
- Beta Beta Beta Biological Society
- Montana 4-H Foundation Inc
- Pflag Inc
- Civitan International
- Sons of Italy in America
- Free & Accepted Masons of Louisiana Grand Lodge
- Association for Retarded Citizens Housing Development Services Inc
- Family Motor Coach Association
- Seattle Childrens Hospital
- The Most Worshipful Stringer Grand Lodge Free and Accepted Masons
- National Treasury Employees Union
- Kappa Alpha Psi Fraternity Inc
- Free & Accepted Masons of Alabama
- Society of St Vincent de Paul in the Archdiocese of Boston Inc
- Grange Patrons of Husbandry New York State Grange Inc
- National Council of Negro Women Inc
- National Association of Women in Construction
- Society of Saint Vincent de Paul Council of los Angeles
- American Institute of Aeronautics and Astronautics
- National TTT Society
- Grand Chapter of California Order of the Eastern Star
- Iowa Cattlemens Association
- American Society of Civil Engineers
- Patrons of Husbandry Maine State Grange
- Williams Grand Lodge Inc
- New Hampshire Congress of Parents and Teachers
- American Association of Pharmaceutical Scientists
- American Iris Society
- Armed Forces Communications and Electronics Association
- Farmers Educational & Cooperative Union of America North Dakota Div
- Pennsylvania State Assn of County Fairs
- Central Council of the Society of St Vincent de Paul in the Diocese
- Afcea Educational Foundation
- Pennsylvania Farm Bureau
- Sacramento District Council St Vincent de Paul Society
- Society of St Vincent de Paul Diocesan Council of Columbus
- Pathstone Corporation
- Massachusetts State Grange Patrons of Husbandry Inc
- American Society of Radiologic Technologists
- Association of Corporate Counsel
- Mass General Brigham Incorporated
- Executive Women International
- New Hampshire State Grange of the Order of Patrons of Husbandry
- American Institute of Graphic Arts
- American Society of Interior Designers Inc
- Connecticut State Grange Patrons of Husbandry
- Trenton Diocesan Council St Vincent Depaul Society Inc
- Society of St Vincent de Paul Particular Council of San Mateo
- Royal Arch Masons in Virginia Grand Chapter
- Society of St Vincent de Paul Council of Northern Kentucky Inc
- Bethany Christian Services Inc
- American Planning Association
- Federally Employed Women Inc
- Diocesan Central Council of Greensburg Society of St Vincent
- Infragard National Members Alliance Inc
- Montana Farm Bureau Federation
- Napo Inc
- Diocesan Council of Toledo Society of St Vincent de Paul
- Ohio State Grange of Patrons of Husbandry
- Doberman Pinscher Club of America
- Hope Network
- Clipped Wings United Air Lines Stewardess Alumnae & Flight Attend
- Society of St Vincent Depaul Council of Louisville
- Yellowstone County 4-H Council
- Faculty Practice Foundation Inc
- Pennsylvania Association of Retired State Employees
- Association for Persons in Supported Employment
- Federal Managers Association
- Society of St Vincent de Paul of Waukesha County Inc
- Society of St Vincent de Paul Particular Council East St Louis
- Tufts Medical Center Physicians Organization Inc
- Military Order of the Loyal Legion of the United States
- National Naval Officers Association Inc
- People First of Washington
- Umass Memorial Health Care Inc
- Irmandade de Santo Antonio de Socorro Mutuo Estado de California
- Society of Critical Care Medicine
- Vermont State Grange Inc
- Order of the Eastern Star of New Hampshire Grand Chapter
- Little Miss Kickball International Inc
- National Ives Royal Order of Jesterettes
- District Council of Madison Inc Society of St Vincent de Paul
- Memorial Health System
- Move United
- Florida Family Child Care Home Association Inc
- American Gaelic Games
- Cascade 4-H Foundation
- Circle K International Inc
- Cpi-Credit Professionals International
- Delaware State Grange Inc
- Great Council of Delaware of the Improved Order of Red Men Incorpor
- North Carolina State Grange
- Wyoming Historical Society
- Americans United for Separation of Church and State Inc
- Easter Seals Alabama Inc
- Eastern Maine Healthcare Systems
- Little People of America Inc
- Cape Cod Healthcare Inc
- Valley County 4H Council
- Families Against Narcotics Inc
- Society of St Vincent de Paul Council of Metuchen NJ Inc
- St Augustine Diocesan Council Society of St Vincent de Paul Inc
- United Service Workers Union
- Minnesota Pork Producers Association
- Naval Order of the United States
- American Soybean Association
- Association of Wa-Tan-Ye Clubs
- Fallon County 4-H Council
- Grand Council of Cryptic Masons of Wyoming
- Housing Foundation Phase 1 & 2
- Lewis and Clark Trail Heritage Foundation Inc
- Roncalli Institute Inc
- Credit Union Executives Society
- East Carolina Health
- Career and Technical Association
- Residential Opportunities Incorporated
- Society of St Vincent de Paul Council of Pensacola-Tallahassee
- Cajun French Music Association of Louisiana Inc
- Florida Association of Enviromental Professionals Inc
- Guilds of the Santa Fe Opera Inc
- Illinois Corn Growers Association
- NAMI Alabama Inc
- St Johns Community Services
- Advaita Society
- Agricultural Benevolent Society of St Isidore
- Childrens Hope Alliance
- International Association of Exhibitions and Events
- Key Club International
- Massachusetts Society of Genealogists Inc
- St Vincent de Paul Council of Neenah-Menasha Inc
- Tufts Medical Center Parent Inc
- Wakemed
- Womans Christian Temperance Union Illinois
- Adapt Incorporated
- Fraternity of Alpha Zeta
- Order of the Eastern Star of Rhode Island Grand Chapter
- Upward Unlimited
- ABC for Health Incorporated
- Destination Imagination Inc
- National Association of Career Women
- Southeastern Universities Research Association Inc
- State Grange of Minnesota
- State of California Grandmothers Club Inc
- Wayne State University
- Wisconsin Association of Railroad Passengers Ltd
- Amf International Inc
- Arizona Association for the Gifted & Talented
- Back of the Hill Community Development Corporation
- City of Hope
- Community Action Partnership of Mid-Nebraska
- Congressional Award Foundation
- Crawford County Historical Society Inc
- Detroit Rescue Mission Ministries Genesis House I II III & Oasis
- Gateway Homes Inc
- Marlboro School of Music Inc
- National Technical Association
- Presbyterian Homes Inc
- Sigma Beta Sorority Inc
- Student National Medical Association Inc
- The Outdoor Circle
- Womens Opportunities Resource Center
- Angelman Syndrome Foundation Inc
- Child Evangelism Fellowship of Eastern Pennsylvania Inc
- Executive Women International Business-Career-Development Progra
- Farmers Educational & Cooperative Union of America-Wisconsin Div
- International Association of Administrative Professionals
- Leadership Initiatives
- Louison House Inc
- Pa Cleanways
- Pan-Messenian Federation of USA & Canada
- Poverello House
- Prairie State Chiropractic Association
- Society of St Vincent de Paul Archdiocesan Council of Ok City
- Society of St Vincent Depaul Cape and Islands District Inc
- South Carolina Alliance of Recovery Community Organization
- Texas Dairy Herd Improvement Assn
- Winchester Healthcare Management Inc
- World Federalists Association
- World Literature Crusade
- Wycliffe Associates Inc