Form 15644 windows opening in March 2027
Groups whose yearly Form 15644 window opens in March 2027: those whose fiscal year ends on May 31, 2027. Useful for planning a season of filings.
IRS EO BMF, posted Oct 13, 2026
153 groups. Sorted by chapters on file, largest first.
- Grand Aerie Fraternal Order of Eagles
- Benevolent & Protective Order of Elks of the USA
- Alpha Delta Kappa Sorority Inc
- Communications Workers of America AFL-CIO CLC
- Questers Inc
- Phi Alpha Delta Law Fraternity
- Jobs Daughters International
- Alpha Lambda Delta
- Texas Garden Clubs Inc
- Jack & Jill of America Inc
- Zonta International
- Sigma Kappa Sorority
- Order of the Amaranth Inc Supreme Council
- Alpha Gamma Delta Fraternity
- Royal Order of Jesters National Court
- Altrusa International Inc
- California Federation of Womens Clubs
- American Academy of Family Physicians
- Kappa Sigma Fraternity
- Cisd Educational Support Groups Inc
- Alpha XI Delta Fraternity
- Alpha Sigma Alpha Sorority
- Federation of Texas A&M University Mothers Club
- Beta Theta Pi Fraternity
- Delta Theta Tau Sorority Inc
- Daughters of the Republic of TX Inc
- International Society Daughters of Utah Pioneers
- Veterans of Foreign Wars Department of Massachusetts
- Tau Kappa Epsilon Fraternity Inc
- Ladies Oriental Shrine of North America Inc
- Virginia Federation of Garden Clubs Inc
- Order of Eastern Star Grand Chapter of Virginia
- Healthcare Financial Management Association
- Grand Parlor Native Sons of the Golden West
- Phi Beta Psi Sorority
- Phi Kappa Psi Fraternity
- American Society of Highway Engineers
- Zeta Beta Tau Fraternity
- Minnesota Women of Today
- Dietary Managers Association
- Alabama Federation of Womens Clubs
- Southwest Section of the Ninety-Nines Inc
- Grand Chapter Order of the Eastern Star of New Jersey
- Nysarc Inc
- Oklahoma Garden Clubs
- Delta Omicron International Music Fraternity
- National Association of Miniature Enthusiasts
- General Federation of Womens Clubs of South Carolina
- Order of the Eastern Star of Minnesota Grand Chapter
- Order of the Eastern Star of Calif Prince Hall Rite of Adoption
- Sigma Kappa National Housing Corporation
- The Garden Club of North Carolina Inc
- Michigan Garden Clubs Inc
- Alpha Epsilon Pi Fraternity Inc
- Louisiana Garden Club Federation
- Hutchinson Bell Inc
- Free & Accepted Masons Grand Lodge of Rhode Island
- Veterans of Foreign Wars Department of New Mexico of the U S
- Georgia Society of Certified Public Accountants Inc
- Sigma Phi Lambda Inc
- South Central Section of the Ninety-Nines Inc
- Tau Epsilon Phi Fraternity Inc
- The Southeast Section of the Ninety Nines Inc
- Canonsburg Corporation
- Bryn Mawr College Alumnae Assn
- Esponda Associates Inc
- General Federation of Womens Clubs Arizona Inc
- Royal Arch Masons of Florida
- Texas Society of Certified Public Accountants
- Arizona Federation of Garden Clubs Inc
- National Assistance League
- Women in Public Finance
- Northwest Section of the Ninety Nines
- Order of the Eastern Star of VT
- Pan American Roundtables of Texas
- Massachusetts Medical Society
- Sigma Alpha Mu Fraternity Inc
- Association of Pennsylvania State College and University Faculties
- Connecticut Junior Women Inc
- North Central Section of the Ninety Nines Inc
- The League of Women Voters of Texas
- Lake Travis Athletic Booster Club Inc
- M I Grand Council of Royal & Select Masters of Florida
- Daughters of Vartan
- Garden Club Federation of Maine Inc
- Mid-Atlantic Section of the Ninety Nines Inc
- Royal Arch Masons of Montana Grand Chapter
- Wisconsin Garden Club Federation
- Cryptic Masons of Montana Grand Council
- The Most Worshipful Prince Hall Grand Lodge F and AM of New Jersey
- Knights of Vartan Inc
- National Association of Professional Mortgage Women
- North Carolina Reading Association
- Royal Arch Masons of the State of Wisconsin Grand Chapter
- Zeta Psi Fraternity of North America
- American Hibiscus Society Inc
- Royal Arch Masons of Minnesota Grand Chapter
- Womens National Book Assn Inc
- Alpha Sigma Tau Sorority Inc
- Federated Garden Clubs of Missouri
- Idaho State Search and Rescue Association Inc
- New Mexico Garden Clubs Inc
- Tau Beta Sigma National Honorary Band Sorority
- Knights of Pythias of New York Grand Lodge
- Spartan Athletic Club
- California Academy of Nutrition & Dietetics
- Gamma Sigma Sigma National Service Sorority
- Grand Circle of California United Ancient Order of Druids
- League of Women Voters of Alabama
- Northwest Association of Mothers of Twins Clubs
- American Emu Association
- Florida Regional Service Office Inc
- Indiana Federation of Business & Professional Womens Club Inc
- New York-New Jersey Section of the Ninety-Nines Inc
- North Carolina Medical Society Alliance
- Professional Construction Estimators Assoc of America Inc
- Seattle Community College Parent Cooperative Preschool
- Webster Groves School District Parent-Teachers Organization
- Ancient Mystic Order of Samaritans of the U S & Canada Inc
- Aurora Ultimate Boosters
- California Association of Family and Consumer Sciences
- Chi Sigma Sorority Inc
- Missouri Women of Today
- S C Federation of Business & Professional Womens Clubs Inc
- Advocates for the American Osteopathic Association
- Electa Grand Chapter O E S P H a Eastern Star
- Kappa Kappa Psi Fraternity
- League of Women Voters of Rhode Island
- New England Section of the Ninety-Nines Inc
- California Assoc for Health Phys Education Recreation and Dance
- GFWC Berks County Federation of Womens Clubs
- Great Council of West Virginia Improved Order of Red Men
- Reserve Officers Assocaition of the United States Dept of Washington
- Tau Delta Phi Fraternity Inc
- Boys and Girls Clubs of Miami-Dade Inc
- Healthcare Financial Management Educational Foundation
- Psi Delta Sigma Association
- Alliance of Polish Clubs in the United States of America
- Alpha XI Delta National Housing Corporation Inc
- American Heritage Girls Inc
- Center for Spiritual Unity Inc
- Georgia Association of the Deaf Inc
- Kappa Sigma Alumni Association
- League of Women Voters of Texas Action Fund
- M W John G Jones Grand Lodge Ancient Free & Accepted Mason of L
- Most Worshipful St Joseph Grand Lodge of Ancient Free and Accepted
- National Society of Arts and Letters
- Omega Chi Epsilon Chemical Engineering Honor Society
- Parrot Educ & Adoption Ctr
- Radha Madhav Society
- Texas Association for the Education of Young Children
- Theta Tau
- Virginia Academy of Nutrition and Dietetics