Category:501(c)(3) organizations
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Wikimedia Commons has media related to 501(c)(3) nonprofit organizations.
Pages in category "501(c)(3) organizations"
The following 200 pages are in this category, out of approximately 1,037 total. This list may not reflect recent changes.
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- Iberia African American Historical Society
- Illinois Policy Institute
- Illinois State Poetry Society
- Immortalist Society
- Indo-American Arts Council
- Inforum
- Initiative for Medicines, Access, and Knowledge
- InLiquid
- Institute for America's Future
- Institute For American Indian Studies
- Institute for Humane Studies
- Institute for Justice
- Institute for OneWorld Health
- The Institute for Public Service Reporting
- Institute for the International Education of Students
- Institute of Electrical and Electronics Engineers
- Institute of General Semantics
- Institute of Play
- Institute on Taxation and Economic Policy
- InStove
- Inter-American Dialogue
- InterACT
- Intercollegiate Taiwanese American Students Association
- Interledger Foundation
- International Arts & Artists
- International Association for Near-Death Studies
- International Association of Jazz Record Collectors
- International Cannabinoid Research Society
- International Coalition of Sites of Conscience
- International Documentary Association
- International Footbag Players' Association
- International FOP Association
- International Free Skiers Association
- International Human Rights Arts Movement
- International Intellectual Property Institute
- International Life Sciences Institute
- International Myeloma Foundation
- International Peace and Security Institute
- International Refugee Assistance Project
- International Scientific Association for Probiotics and Prebiotics
- International SeaKeepers Society
- International Society for Research in Child and Adolescent Psychopathology
- International Sports Hall of Fame
- International Unicycling Federation
- Internet Archive
- InterPride
- InterTribal Sinkyone Wilderness Council
- Invisible Children, Inc.
- Iowa Atheists and Freethinkers
- Iowa Poetry Association
- Iran Human Rights Documentation Center
- Iranian American Women Foundation
- Israel on Campus Coalition
- The Israel Project
- The Italian Language Foundation
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- Jack Kent Cooke Foundation
- The Jack Kerouac Writers in Residence Project of Orlando, Inc.
- James Randi Educational Foundation
- Jay Heritage Center
- JBI International
- Jewish Federations of North America
- Innovation: Africa
- Jewish Institute for National Security of America
- Jewish Social Service Agency
- Joe Foss Institute
- John Lennon Educational Tour Bus
- Johnson Amendment
- Joshua's Tract Conservation and Historic Trust
- Joybound People & Pets
- Junior Orange Bowl
- Junior State of America
- Juvenile Law Center
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- Ladies Musical Club of Seattle
- Lambda Literary Foundation
- Landmark Legal Foundation
- Lansdowne Folk Club
- Las Fotos Project
- Laser Institute of America
- Law and Political Economy Project
- Law Enforcement Action Partnership
- Layalina Productions
- Leadership Institute
- League of American Bicyclists
- League of Minnesota Poets
- League of Technical Voters
- LearnThat Foundation
- Leatherback Trust
- Legal Services Corporation
- Lemelson Foundation
- Leonardo, the International Society for the Arts, Sciences and Technology
- Lesbian Health Initiative of Houston
- Liberty in North Korea
- LibreTexts
- Life Vest Inside
- Lifeline Energy
- LifeSiteNews
- Lighthouse Guild
- The Lighthouse of Houston
- Liliʻuokalani Trust
- Limmud FSU
- Lincoln Law School of San Jose
- Lionheart School
- List of original members of the Society of the Cincinnati
- List of speakers at The Economic Club of Washington, D.C.
- List Project
- Little People of America
- Little Village Foundation
- Local Initiatives Support Corporation
- Locus Science Fiction Foundation
- Long Now Foundation
- Louisiana Family Forum
- Louisiana State Poetry Society
- Love146
- Loveland Living Planet Aquarium
- Lovewell Institute for the Creative Arts
- Lucie's Place
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- MacArthur Foundation
- Machine Intelligence Research Institute
- MacIver Institute
- Mackinac Center for Public Policy
- Maine Poets Society
- Major League Baseball Players Alumni Association
- Malawi Network of AIDS Services
- The Manuel Rivera-Ortiz Foundation for Documentary Photography & Film
- Marin Organic
- Marin Society of Artists
- Marine Mammal Stranding Center
- Markle Foundation
- Massachusetts State Poetry Society
- MassChallenge
- MAZON: A Jewish Response to Hunger
- Meadowview Biological Research Station
- Measures for Justice
- Media Alliance
- Media Preservation Foundation
- Medical Ambassadors International
- Meds & Food for Kids
- Meet Each Need with Dignity
- MENTOR
- Metal Arts Guild of San Francisco
- Metropolitan Organizing Strategy Enabling Strength
- Michigan Baseball Foundation
- Middle East Forum
- Middle East Policy Council
- Midstory
- Military Association of Atheists and Freethinkers
- Military Family Voices
- Military Order of the Stars and Bars
- Minnesota Atheists
- Missile Defense Advocacy Alliance
- Mississippi Poetry Society
- Missouri Military Academy
- Missouri State Poetry Society
- The Mr. Holland's Opus Foundation
- Mobility Worldwide
- Money Management International
- Moneythink
- Mosaic Outdoor Clubs of America
- Mothers2mothers
- The Mountaineers (club)
- Movable Book Society
- Movement of Spiritual Inner Awareness
- Mozilla Foundation
- Ms. JD
- MuckRock
- Multidisciplinary Association for Psychedelic Studies
- The Munathara Initiative
- Music Will
- MusiCares
- Musicians Foundation
- Mythicist Milwaukee
- MyVetwork
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- Nashville School of Law
- NASIG
- Nasreen & Alam Sher Foundation
- Natasha's Justice Project
- National Alliance on Mental Illness
- National Art Museum of Sport
- National Association for People living with HIV/AIDS in Malawi
- National Association for Search and Rescue
- National Association of Black Accountants
- National Association of Chiefs of Police
- National Aviation Hall of Fame
- National Baseball Congress World Series
- National Basketball Retired Players Association
- National Black Justice Coalition
- National Book Critics Circle
- National Center for Construction Education and Research