Nonprofits in Boston, Massachusetts
Nonprofits in Boston, Massachusetts. Browse 5,392 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- Iba Real Estate Support Corporation C/o Inquilinos Boricuas En Accion Inc
EIN 882578356 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990
- Icarus Atlas Inc
EIN 412982660 · Headquarters: BOSTON, MA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Idaho Field Trial Championships and Upland Bird Conservancy Inc
EIN 882458926 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Iedt USA Inc
EIN 810843697 · Headquarters: BOSTON, MA, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Ihrsa Foundation
EIN 800819632 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ilgwu Credit Union Inc Pressers Union Local 12
EIN 046046376 · Headquarters: BOSTON, MA, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Imago Dei Fund C/o Berkshire Partners
EIN 261578446 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Immaid Inc
EIN 843787662 · Headquarters: Boston, MA, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Immerse7 Inc
EIN 043565155 · Headquarters: BOSTON, MA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Immune Disease Institute Inc
EIN 042158520 · Headquarters: Boston, MA, USA · Medical Research · Latest available filing year: 2011 · Primary form: IRS Form 990
- Impact Inc
EIN 043282285 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Impact Seat Collaboration
EIN 814750255 · Headquarters: Boston, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Impact Unusual Inc
EIN 932128113 · Headquarters: Boston, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Improv Jones Boston Inc
EIN 453246341 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Improved Benevolent & Protective Order of Elks of the World
EIN 237621193 · Headquarters: Boston, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Improving Academic Medicine Underrepresentation
EIN 932188036 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- In It Together Inc
EIN 823005183 · Headquarters: Boston, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- In Season and Out of Season
EIN 222596205 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- In the Vine Ministry
EIN 562579762 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- In Vivo Productions Inc
EIN 760809114 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Inavale Foundation Inc
EIN 043409789 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Incubando Inc
EIN 473021892 · Headquarters: Boston, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Indian Trails Housing Development Fund Corporation
EIN 474558611 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Industrial Credit Union
EIN 041470910 · Headquarters: BOSTON, MA, USA · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990
- Industrial Organization Society Inc
EIN 043515444 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Industry Cooperation Trust Fund
EIN 462263593 · Headquarters: BOSTON, MA, USA · Employment · Latest available filing year: 2019 · Primary form: IRS Form 990
- Infact DBA Corporate Accountability
EIN 411322686 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Infants and Other People Inc
EIN 042547352 · Headquarters: Boston, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ingenuityne Inc
EIN 455482105 · Headquarters: BOSTON, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Initiative for a New Economy Inc
EIN 204361451 · Headquarters: BOSTON, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Inkind Mind Inc
EIN 814616436 · Headquarters: Boston, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inna Tsukrov Charitable Foundation Inc
EIN 043469201 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Innercity Weightlifting Inc
EIN 271333425 · Headquarters: BOSTON, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Innocent Convicts Inc
EIN 854154778 · Headquarters: Boston, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Innovate First Inc
EIN 203985485 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Innovate Tigray Inc
EIN 832953488 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Innovation & Planning Agency USA Inc
EIN 811726316 · Headquarters: Boston, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Innovation Trail of Greater Boston
EIN 874285365 · Headquarters: Boston, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Inquilinos Boricuas En Accion Inc
EIN 237102740 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990
- Inspire Arts and Music Inc
EIN 043081057 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Inspiring Educators
EIN 471380703 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Excellence in Government Inc
EIN 463277610 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Health and Global Environment Inc
EIN 262754130 · Headquarters: BOSTON, MA, US · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Institute for Health Equity Research Evaluation and Policy
EIN 883171072 · Headquarters: BOSTON, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Healthcare Improvement
EIN 383017223 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Human Centered Design Inc
EIN 042785256 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Nonprofit Practice Inc
EIN 471613050 · Headquarters: BOSTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Nursing Healthcare Leadership Inc
EIN 412152706 · Headquarters: Boston, MA, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Institute for Optimizing Health and Health Care Inc
EIN 522389588 · Headquarters: BOSTON, MA, USA · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Institute for Protein Innovation Inc
EIN 813250208 · Headquarters: BOSTON, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Ssds Inc
EIN 043262234 · Headquarters: Boston, MA, US · Environment · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Institute for Substance Use Prevention and Intervention
EIN 475665747 · Headquarters: Boston, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Institute of Eastern Mediterranean Studies Corp
EIN 882217650 · Headquarters: Boston, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Institute of Industrial Engineers Inc
EIN 237456935 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Insulators & Asbestos Workers Local 6 Building Corporation
EIN 043154565 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Insurance Fraud Bureau of Massachusetts
EIN 043107028 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Insurance Library Association of Boston
EIN 042104331 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Integrity Initiatives International Inc
EIN 861214199 · Headquarters: Boston, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Intellect News Society Inc
EIN 260856147 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Intelligent Transportation Society of Massachusetts Inc
EIN 043301290 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Interaction Institute
EIN 942928341 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Intercomm Enterpriese USA Inc
EIN 043580899 · Headquarters: Boston, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Interise Inc
EIN 263011769 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990
- Internal Revenue Services Cpas Association
EIN 042652480 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- International Alliance for Diabetes Action Inc
EIN 873739369 · Headquarters: Boston, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association for Premenstrual Disorders
EIN 472480088 · Headquarters: BOSTON, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Firefighters
EIN 462560900 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Firefighters Local 718 Boston
EIN 046112075 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Heat & Fros Insulators and Asbestos Workers Lo 6
EIN 041472045 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Association of Lions Clubs
EIN 452496813 · Headquarters: BOSTON, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- International Bridges to Justice
EIN 311771358 · Headquarters: BOSTON, MA, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Catacomb Society Inc
EIN 042693671 · Headquarters: Boston, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- International Conference on the Science of Hard Materials
EIN 050435206 · Headquarters: Boston, MA, US · Social Science · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- International Conservation Fund Corp
EIN 834647086 · Headquarters: Boston, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Consortium for Energy Development Inc
EIN 222867362 · Headquarters: Boston, MA, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- International Consortium for Health Outcomes Measurement Inc
EIN 460854621 · Headquarters: BOSTON, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Consortium for Law and Development Inc
EIN 651232223 · Headquarters: Boston, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- International Diplomacy Bridge Church Inc
EIN 993251589 · Headquarters: Boston, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International English Project Inc
EIN 811303090 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- International Fellowship House Inc
EIN 042397292 · Headquarters: BOSTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Forum of Meteorological Societies Inc
EIN 821922399 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Geriatric Diabetes Society Inc
EIN 844133699 · Headquarters: BOSTON, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Honors Program Inc
EIN 043326069 · Headquarters: Boston, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- International Institute for Justice and Development Inc
EIN 010697366 · Headquarters: Boston, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Institute of New England
EIN 042104325 · Headquarters: Boston, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990
- International Live Events Association Inc
EIN 043182445 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Longshoremens Association
EIN 046122313 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Longshoremens Union Local 799
EIN 041685575 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Mental Help Inc
EIN 333146391 · Headquarters: Boston, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Myeloma Society
EIN 264220253 · Headquarters: BOSTON, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- International OCD Foundation Inc
EIN 222894564 · Headquarters: Boston, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Reading Association Inc
EIN 043232389 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- International Simone De Beauvoir Society Inc
EIN 823936691 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Society for Heart Research
EIN 237055675 · Headquarters: Boston, MA, USA · Medical Research · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- International Society for Infectious Diseases Inc
EIN 222473000 · Headquarters: BOSTON, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Society for Omega-3 Research Inc
EIN 820997538 · Headquarters: Boston, MA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Society for the Psychoanalytic Study of Organizations
EIN 481142858 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Society of Bone and Soft Tissue Pathology Inc
EIN 260037975 · Headquarters: Boston, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- International Society of Osteoarthritis Imaging (Isoai) Inc
EIN 832075324 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Sustainable Development Institute
EIN 465076027 · Headquarters: Boston, MA, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N