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
- National Organization of Mothers of Twins Clubs Inc
EIN 134219436 · Headquarters: Peabody, MA, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- National Organization of Mothers of Twins Clubs Inc
EIN 161729913 · Headquarters: ACUSHMET, MA, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- National Organization of Mothers of Twins Clubs Inc
EIN 521290484 · Headquarters: LOWELL, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Organization of Mothers of Twins Clubs Inc
EIN 521290487 · Headquarters: QUINCY, MA, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- National Organization of Mothers of Twins Clubs Inc
EIN 800485895 · Headquarters: WORCESTER, MA, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- National Parents Organization Inc
EIN 043409728 · Headquarters: Woburn, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Parents Union Action Fund New York
EIN 931698990 · Headquarters: WOBURN, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- National Parents Union Inc
EIN 834333274 · Headquarters: WOBURN, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Parkinson Foundation Inc
EIN 043340439 · Headquarters: Dennis, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- National Patient Safety Foundation
EIN 367166993 · Headquarters: BOSTON, MA, USA · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990
- National Pediculosis Association Inc
EIN 042790739 · Headquarters: NEWTON, MA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Pilgrim Memorial Meetinghouse Charitable Trust
EIN 825178134 · Headquarters: PLYMOUTH, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Premium Tax Conference Inc
EIN 391852149 · Headquarters: Millis, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Priorities Project
EIN 043070112 · Headquarters: Northampton, MA, United States · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990
- National Prison Debate League
EIN 923923323 · Headquarters: WORCESTER, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Prison Hospice Association
EIN 841179957 · Headquarters: Hatfield, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- National Public Safety Solutions Inc
EIN 204446533 · Headquarters: BILLERICA, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- National Puzzlers' League C/o Katherine Hamill
EIN 222186878 · Headquarters: Arlington, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Ronald K Labrecque Sr Copd Memorial Fund Inc
EIN 823047731 · Headquarters: Chicopee, MA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Rowing Foundation Inc
EIN 132554312 · Headquarters: MELROSE, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- National Rural Letter Carriers Association
EIN 421536116 · Headquarters: Northampton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Rural Letter Carriers Association
EIN 421536118 · Headquarters: Brockton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Rural Letter Carriers Association
EIN 421536121 · Headquarters: Ashby, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Rural Letter Carriers Association
EIN 421536122 · Headquarters: Brookfield, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- National Rural Letter Carriers Association
EIN 611570568 · Headquarters: West Harwich, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- National Scholastic Athletics Foundation
EIN 561734970 · Headquarters: WESTWOOD, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- National School Development Council Inc
EIN 237273907 · Headquarters: Marlborough, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National School Public Relations Association
EIN 880642448 · Headquarters: Holyoke, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Scleroderma Foundation Inc
EIN 521375827 · Headquarters: DANVERS, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Scoliosis Foundation Inc
EIN 042622698 · Headquarters: Stoughton, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- National Singles Foundation Inc
EIN 010782991 · Headquarters: Newton Center, MA, US · Human Services · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- National Ski Patrol System Inc Eastern Division
EIN 161002936 · Headquarters: North Reading, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990
- National Society Colonial Dames Xvii Century
EIN 042666994 · Headquarters: Topsfield, MA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- National Society Colonial Dames Xvii Century
EIN 042681610 · Headquarters: Topsfield, MA, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- National Society Colonial Dames Xvii Century
EIN 042690974 · Headquarters: Dedham, MA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- National Society Colonial Dames Xvii Century
EIN 042888062 · Headquarters: Norwell, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society Colonial Dames Xvii Century
EIN 237415905 · Headquarters: Topsfield, MA, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- National Society Dames of the Court of Honor
EIN 237144568 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- National Society Daughters of Founders & Patriots of America
EIN 237584663 · Headquarters: Millis, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society Daughters of the American Revolution
EIN 300577150 · Headquarters: South Yarmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society Daughters of the British Empire in the United State
EIN 046079897 · Headquarters: framingham, MA, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- National Society Daughters of the Union 1861-1865
EIN 834157374 · Headquarters: Merrimac, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of Academic Medical Administrator
EIN 463918418 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Society of Black Engineers Boston Professionals
EIN 043432136 · Headquarters: Jamaica Plain, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- National Society of Creative Dyslexics
EIN 204519508 · Headquarters: Andover, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of New England Women
EIN 040294888 · Headquarters: Rowley, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- National Society of Newspaper Columnists
EIN 463593438 · Headquarters: MILTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- National Society of the Children of the American Revolution
EIN 237248855 · Headquarters: Holliston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Children of the American Revolution
EIN 261425830 · Headquarters: Holliston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Children of the American Revolution
EIN 262383952 · Headquarters: Holliston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Children of the American Revolution
EIN 262422396 · Headquarters: Holliston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- National Society of the Children of the American Revolution
EIN 510675164 · Headquarters: Holliston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Children of the American Revolution
EIN 760792659 · Headquarters: Centerville, MA, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- National Society of the Children of the American Revolution
EIN 873947024 · Headquarters: Holliston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 042688422 · Headquarters: Nantucket, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 043094016 · Headquarters: Westwood, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 043171592 · Headquarters: Winthrop, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 043398743 · Headquarters: Edgartown, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046047918 · Headquarters: Onset, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046048141 · Headquarters: Pepperell, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046048755 · Headquarters: WESTFORD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046050736 · Headquarters: Middleton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046053237 · Headquarters: Uxbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046054572 · Headquarters: Wellesley, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046057355 · Headquarters: Mansfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046057629 · Headquarters: Framingham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046065916 · Headquarters: DOUGLAS, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046067330 · Headquarters: Hanover, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046071076 · Headquarters: Marlborough, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046074385 · Headquarters: Hadley, MA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046077764 · Headquarters: New Ashford, MA, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046087738 · Headquarters: Danvers, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046088747 · Headquarters: Pittsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046108562 · Headquarters: MARBLEHEAD, MA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046111616 · Headquarters: WEYMOUTH, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046111774 · Headquarters: Rockport, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046111835 · Headquarters: Malden, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046112283 · Headquarters: North Dartmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046112349 · Headquarters: East Longmeadow, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046112438 · Headquarters: BERKLEY, MA, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046112588 · Headquarters: Wellfleet, MA, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046112823 · Headquarters: Concord, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046112858 · Headquarters: Auburn, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046113114 · Headquarters: Lexington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046115207 · Headquarters: Hyannis, MA, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046119537 · Headquarters: Belmont, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046119575 · Headquarters: Merrimac, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046129176 · Headquarters: Needham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 046130116 · Headquarters: Andover, MA, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 237027555 · Headquarters: Plymouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 331459542 · Headquarters: Quincy, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 833469974 · Headquarters: Dover, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 853855603 · Headquarters: Saugus, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Sons of the American Revolution
EIN 043211087 · Headquarters: Dennis, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Sons of the American Revolution
EIN 043252657 · Headquarters: Holliston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Sons of the American Revolution
EIN 046143784 · Headquarters: Leominster, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Sons of the American Revolution
EIN 271414510 · Headquarters: PLYMOUTH, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- National Society of the Sons of the American Revolution
EIN 311226796 · Headquarters: Plymouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Sons of the American Revolution
EIN 311457995 · Headquarters: Lynn, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- National Society of the Sons of the American Revolution
EIN 463271883 · Headquarters: WILBRAHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N