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 1,046 total. This list may not reflect recent changes.
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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 Black Journalists
- 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
- National Center for Science Education
- National Center for Women & Information Technology
- National Center on Sexual Exploitation
- National Collegiate Cancer Foundation
- National Commission for the Certification of Crane Operators
- National Corvette Museum
- National Council of Jewish Women
- National Council of Young Israel
- National Council on Aging
- National Cybersecurity Alliance
- National Disease Research Interchange
- National Endowment for the Preservation of Liberty
- National Federation of State Poetry Societies
- National Foundation for Infectious Diseases
- National Garden Clubs
- National Gay Flag Football League
- National Inclusion Project
- National Institute of Family and Life Advocates
- National Institute of Science
- National Iranian American Council
- National Judicial College
- National Homelessness Law Center
- National League of POW/MIA Families
- NLGJA: The Association of LGBTQ+ Journalists
- National Military Family Association
- National Novel Writing Month
- National Parks Conservation Association
- National Railway Historical Society
- National Rosacea Society
- National Sailing Hall of Fame
- National Security Archive
- National Sleep Foundation
- National Society Daughters of the American Colonists
- National Society of the Colonial Dames of America
- National Space Society
- National Sports Center for the Disabled
- National Telecommuting Institute
- National Vaccine Information Center
- National Youth Rights Association
- Indigenous Journalists Association
- Native Arts and Cultures Foundation
- Native Daughters of the Golden West
- NatureServe
- Navy Wives Clubs of America
- NEADS Inc.
- Nefesh B'Nefesh
- Nevada Boxing Hall of Fame
- Nevada Poetry Society
- New England Legal Foundation
- New England Science Fiction Association
- New Harvest
- New Jersey Museum of Transportation
- New Leaders Council
- New Mexico State Poetry Society
- New Story (charity)
- New York Law School
- New York University
- Newborn Foundation
- NFL Alumni
- NIAD Art Center
- Nine Eleven Finding Answers Foundation
- Nisei Baseball Research Project
- Niskanen Center
- No Longer Empty
- Noah's Ark Animal Sanctuary
- NOH8 Campaign
- Noise For Now
- Noise Free America
- The Non-GMO Project
- Nonhuman Rights Project
- Nonviolence International
- North American Association for Environmental Education
- North American Native Fishes Association
- North Carolina Barbecue Society
- Northwest Immigrant Rights Project
- Nourishing Hope
- Nova Ukraine
- NPower (USA)
- NRF Foundation
- NWEAMO
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- Obama Foundation
- Ocean Alliance
- Ocean Recovery Alliance
- Oceana (non-profit group)
- Oceanic Preservation Society
- Oglebay Institute
- Ohio Organizing Collaborative
- Ohio Poetry Association
- Ohio River Trail
- Old Dog Haven
- Old Friends Senior Dog Sanctuary
- One Campaign
- Online News Association
- Oorah (organization)
- Open Commons Consortium
- Open Syllabus Project
- OpenAI
- Operation Homefront
- Operation Kindness
- The Oracle Institute
- Oral Cancer Foundation
- Oregon Food Bank
- Oregon Poetry Association
- Oregon Potters Association
- Oregon Primate Rescue
- Oregon Women's Land Trust
- Orienteering USA
- Orphaned Starfish Foundation
- Orphaned Wildlife Center
- Our Time (nonprofit)
- Out in Science, Technology, Engineering, and Mathematics
- Outpost for Hope
- Overseas China Education Foundation
- OWASP
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- Pacific Coast University
- Pacific Council on International Policy
- Pacific Institute
- Pacific Justice Institute
- Pacific Telecommunications Council
- Pacific Whale Foundation
- Pager Publications
- Paideia Institute
- PaintCare
- Palmetto Family Council
- Pandit Jasraj Institute for Music, Research, Artistry and Appreciation
- Pandora's Project
- Paper Tiger Television