Nonprofits in Massachusetts
Nonprofits in Massachusetts. Browse 52,168 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
- Inspiration for Tomorrow Inc
EIN 364665893 · Headquarters: RANDOLPH, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inspiration Gatherings Inc
EIN 465525329 · Headquarters: Truro, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Inspiration Is Everywhere
EIN 825186366 · Headquarters: Mashpee, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inspiration Plus
EIN 832123058 · Headquarters: Framingham, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Inspire America Network
EIN 043550346 · Headquarters: Worcester, MA, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Inspire and Impact Foundation
EIN 920538214 · Headquarters: Belmont, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inspire Arts and Music Inc
EIN 043081057 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Inspire Hope Foundation for Urea Cycle Disorders Inc
EIN 454042399 · Headquarters: BRAINTREE, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Inspire Inc
EIN 043475361 · Headquarters: PRIDES CROSSING, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Inspiring Educators
EIN 471380703 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Inspiring Souls Inc
EIN 465530790 · Headquarters: Brockton, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Inspiring Young Models to Be Empowered
EIN 161754680 · Headquarters: Roxbury, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for American Religious and Philosophical
EIN 582016866 · Headquarters: DEDHAM, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Institute for Applied Economic Advancement Inc
EIN 453674945 · Headquarters: Wrentham, MA, US · Social Science · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Institute for Art and Pedagogy
EIN 371532347 · Headquarters: Shutesbury, MA, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Institute for Biomedical Entrepreneurship Inc
EIN 812546388 · Headquarters: IPSWICH, MA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990
- Institute for Cacao and Chocolate Research Inc
EIN 474926106 · Headquarters: WILLIAMSBURG, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Cardiovascular Disease and Muscle Research Inc
EIN 043187133 · Headquarters: Fitchburg, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Institute for Career Transitions Inc
EIN 823400153 · Headquarters: Methuen, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Institute for Cdo&iq Inc
EIN 874187014 · Headquarters: CHESTNUT HILL, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Child Outcomes Inc D/b/a Kids Insight
EIN 460902906 · Headquarters: FRAMINGHAM, MA, USA · Social Science · Latest available filing year: 2017 · Primary form: IRS Form 990
- Institute for Christian Unity Inc
EIN 465009718 · Headquarters: Braintree, MA, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Institute for Community Building Inc
EIN 020653289 · Headquarters: ATHOL, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Institute for Community Health Inc
EIN 043543853 · Headquarters: MALDEN, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Development Thru Transportation Inc
EIN 823199187 · Headquarters: LOWELL, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Economic Policy Studies Inc
EIN 201341281 · Headquarters: WORCESTER, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Institute for Education on Health and Research Inc
EIN 454699055 · Headquarters: NORTH WEYMOUTH, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Environmental Awareness Inc
EIN 042514042 · Headquarters: Wilmington, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- 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 Experimental Psychiatry Inc
EIN 042370679 · Headquarters: Fall River, MA, US · Medical Research · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Institute for Family Development (Fid) Inc
EIN 311583098 · Headquarters: MARBLEHEAD, MA, USA · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-PF
- Institute for Freedom of Press and Expression Inc
EIN 991747146 · Headquarters: CHARLESTOWN, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Future Intelligence Inc
EIN 851383592 · Headquarters: NATICK, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Global Maritime Studies Inc
EIN 261521546 · Headquarters: Gloucester, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Institute for Global Youth Development & Prevention Programs
EIN 010700012 · Headquarters: NEEDHAM HEIGHTS, MA, USA · Youth Development · Latest available filing year: 2015 · 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 and Recovery Inc
EIN 043086647 · Headquarters: WATERTOWN, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- 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 Healthcare Optimization Inc
EIN 270373299 · Headquarters: LEXINGTON, MA, USA · Diseases, Disorders & Medical Disciplines · 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 Human Geography Inc
EIN 264703456 · Headquarters: Leominster, MA, US · Social Science · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Institute for Human Settlements Inc
EIN 800693947 · Headquarters: Newton, MA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Industrial Art and History
EIN 811038569 · Headquarters: NORTH ANDOVER, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Integrated Health Care Inc
EIN 203355196 · Headquarters: Cambridge, MA, US · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Institute for Intermediate Study
EIN 272419701 · Headquarters: DEDHAM, MA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Institute for International Cooperation & Development Inc
EIN 222778876 · Headquarters: WILLIAMSTOWN, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990
- Institute for International Urban Development
EIN 202835139 · Headquarters: CAMBRIDGE, MA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Just Communities Inc
EIN 043582586 · Headquarters: Sudbury, MA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Institute for Lab Automations Inc
EIN 043133433 · Headquarters: GROTON, MA, USA · Science & Technology · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- Institute for Leadership Development Inc
EIN 141874619 · Headquarters: Concord, MA, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Institute for Multi-Stakeholder Initiati
EIN 461453455 · Headquarters: Pittsfield, MA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- 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 Pacific Partnership Inc
EIN 822944033 · Headquarters: bridgewater, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Peace Studies in Eastern Christianty
EIN 264633958 · Headquarters: AYER, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute for Peaceable Communities Inc
EIN 043235656 · Headquarters: Amherst, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for Peoples Engagement Inc
EIN 822047555 · Headquarters: Cambridge, MA, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Institute for Podiatric Excellence and Development Inc
EIN 474681513 · Headquarters: ANDOVER, MA, USA · Medical Research · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Institute for Priestly Evangelization
EIN 862156242 · Headquarters: Bedford, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- 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 Representation In Society And Media Inc
EIN 883262703 · Headquarters: Needham, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Reproducible Research Limited
EIN 465721157 · Headquarters: Lenox, MA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Resource and Security Studies Inc
EIN 222544914 · Headquarters: Cambridge, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Responsible Managementinc
EIN 042760658 · Headquarters: WESTBOROUGH, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- Institute for Safety in Office Based Surgery Inc
EIN 270640164 · Headquarters: Cambridge, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Science and Interdisciplinary Studies Inc
EIN 043176123 · Headquarters: Amherst, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Science Education and Research Advancement Isera Inc
EIN 452027105 · Headquarters: medford, MA, US · Social Science · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Institute for Scientific Research in Music
EIN 043107517 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Institute for Scientific Research Inc
EIN 222487207 · Headquarters: Winchester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Social and Cultural Communications Inc
EIN 222959506 · Headquarters: Norwood, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990
- Institute for Social and Economic Innovation Inc
EIN 471373302 · Headquarters: BROOKLINE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Institute for Social Engagement
EIN 823007216 · Headquarters: Medford, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Social Ontology
EIN 814107000 · Headquarters: Medford, MA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Social Policy and Understanding
EIN 383633581 · Headquarters: Cambridge, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990
- Institute for Spiritual Life and Psychotherapy Inc
EIN 460899212 · Headquarters: HANOVER, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · 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 Storycraft and Information Gathering Inc
EIN 923635837 · Headquarters: Natick, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- 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 for the Future of Learning Inc
EIN 452784576 · Headquarters: SUDBURY, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for the Quantitative Study of Equity Inc
EIN 842719356 · Headquarters: WILLIAMSTOWN, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute for the Study of Coherence and Emergence Inc
EIN 043482251 · Headquarters: Marblehead, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- Institute for the Study of Religion in the Middle East
EIN 453336159 · Headquarters: South Hadley, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for the Visualization of History Inc
EIN 043568562 · Headquarters: WILLIAMSTOWN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Institute for Training and Development Inc
EIN 042880562 · Headquarters: AMHERST, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute Justice and Democracy in Haiti Inc
EIN 030541424 · Headquarters: Marshfield, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute of Advanced Sciences Inc
EIN 462678472 · Headquarters: NORTH DARTMOUTH, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Institute of Behavioral and Attitude Change Inc
EIN 300241839 · Headquarters: Dorchester, MA, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Institute of Better Governance in Africa
EIN 871951440 · Headquarters: Franklin, MA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Institute of Biotechnology Inc
EIN 464682178 · Headquarters: WESTBOROUGH, MA, USA · Medical Research · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ
- 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 Electrical and Electronics Engineers
EIN 363381067 · Headquarters: North Dartmouth, MA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Institute of Industrial Engineers Inc
EIN 237456935 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute of Management Accountants Inc
EIN 237291883 · Headquarters: BILLERICA, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Institute of Management Accountants Inc
EIN 237353181 · Headquarters: SHREWSBURY, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Institute of Management Accountants Inc
EIN 237353640 · Headquarters: LYNNFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Institute of Management Accountants Inc Dba Boston Chapter
EIN 237353284 · Headquarters: NATICK, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Institute of Middle East for Public Policy
EIN 993046034 · Headquarters: CAMBRIDGE, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute of Noise Control Engineering of the United States of America
EIN 237211908 · Headquarters: WAKEFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990