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
- American Nurses Association Massachusetts Inc
EIN 043565188 · Headquarters: Milton, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Obesity Association Corporation
EIN 043215778 · Headquarters: WOBURN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- American Optical Foundation
EIN 046028058 · Headquarters: SOUTHBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- American Optometric Student Association Incorporated
EIN 510195072 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- American Orff-schulwerk Association
EIN 237370951 · Headquarters: Milford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Orthopsychiatric Association Inc
EIN 131628144 · Headquarters: LENOX, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Orthoptic Journal Inc
EIN 273632483 · Headquarters: BOSTON, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Outlaws Boston Chapter
EIN 465692049 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Pennies for Hunger
EIN 261083308 · Headquarters: PLYMOUTH, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- American Physical Therapy Assn Colorado Chapter
EIN 846034046 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Physical Therapy Assoc
EIN 020357715 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Physical Therapy Association Rhode Island Chapter
EIN 222777113 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Physician Scientists Association
EIN 202267477 · Headquarters: BOXBOROUGH, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Physicians Fellowship Inc for Medicine in Israel
EIN 042207701 · Headquarters: BOSTON, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Poodles at Work Inc
EIN 453848719 · Headquarters: Spencer, MA, US · Animal Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- American Postal Workers Accident Benefit Association
EIN 043493426 · Headquarters: North Attleboro, MA, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Postal Workers Accident Benefit Association
EIN 237164244 · Headquarters: WESTFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 042744084 · Headquarters: South Dennis, MA, US · Employment · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 043094114 · Headquarters: North Adams, MA, US · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237020230 · Headquarters: Fall River, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237341017 · Headquarters: LYNN, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237341037 · Headquarters: Gloucester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237341040 · Headquarters: FRAMINGHAM, MA, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237342343 · Headquarters: South Easton, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Postal Workers Union
EIN 237343870 · Headquarters: randolph, MA, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237343892 · Headquarters: sharon, MA, US · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- American Postal Workers Union
EIN 237344969 · Headquarters: N Attleboro, MA, US · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- American Postal Workers Union Afl-cio 506-244
EIN 041691746 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Postal Workers Union Alf-cio
EIN 612194710 · Headquarters: Plymouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Postal Workers Union Cmal 4553
EIN 237345042 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Postal Workers Union Local 497
EIN 042512175 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Postal Workers Union of Ma
EIN 237150149 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Production & Inventory Con Society North Shore Chapter
EIN 042723068 · Headquarters: STONEHAM, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- American Production & Inventory Control Society
EIN 042720839 · Headquarters: BELCHERTOWN, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Production Inventory Control Society C 43
EIN 510201173 · Headquarters: TAUNTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- American Promise Education Fund Inc
EIN 474601462 · Headquarters: Concord, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Promise Inc
EIN 474608840 · Headquarters: Concord, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Red Magen David for Israel
EIN 237330219 · Headquarters: Malden, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- American Refugee Council Inc - Arc
EIN 475162955 · Headquarters: Lynn, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Registry of Medical Assistants Inc
EIN 066069989 · Headquarters: WESTFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Rehabaction Network Inc
EIN 521983600 · Headquarters: Boston, MA, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- American Renal Patient Care Foundation
EIN 463032835 · Headquarters: BEVERLY, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- American Rental Association
EIN 042762016 · Headquarters: Hudson, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Repertory Theater
EIN 042665867 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Resilience Project Inc
EIN 822133002 · Headquarters: Florence, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Rhino Foundation Inc
EIN 813228249 · Headquarters: WAKEFIELD, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- American Rhododendron Society
EIN 042952148 · Headquarters: East Orleans, MA, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- American Rhododendron Society
EIN 237244608 · Headquarters: MILFORD, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Rose Society
EIN 046173033 · Headquarters: Stoneham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Rossini Society a Nonprofit Corporation
EIN 821512890 · Headquarters: Arlington, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Scallop Association Inc
EIN 043152526 · Headquarters: North Dartmouth, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Scholastic Foundation Inc
EIN 203197368 · Headquarters: MEDWAY, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- American Scientific Affiliation
EIN 410874150 · Headquarters: Ipswich, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Sculpture Foundation Inc
EIN 455598582 · Headquarters: Haverhill, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Seniors Golf Assoc Inc
EIN 386091769 · Headquarters: MARSTONS MILLS, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- American Seniors Golf Association Charitable Tr Fund
EIN 593068471 · Headquarters: Marstons Mills, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Shotcrete Association
EIN 541895122 · Headquarters: WAKEFIELD, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Soc of Heating Refrigerating & Air Conditioning Engineers-boston
EIN 046173585 · Headquarters: MARLBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Artificial Internal Organs Inc
EIN 236400773 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society For Industrial Security ASIS Boston Chapter
EIN 042612424 · Headquarters: Burlington, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Society for Medical Shockwave Treatment
EIN 331780699 · Headquarters: SPRINGFIELD, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- American Society for Neurochemistry
EIN 237036552 · Headquarters: NEWTON HIGHLANDS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Peripheral Nerve
EIN 431746236 · Headquarters: BEVERLY, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society for Prevention of Hunger and Poverty Inc
EIN 881684229 · Headquarters: BOSTON, MA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Society for Training & Developm
EIN 042631916 · Headquarters: BARRE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Society of Abdominal Surgeons Inc
EIN 042263716 · Headquarters: BURLINGTON, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- American Society of Certified Engineering Technicians
EIN 742594800 · Headquarters: Wrentham, MA, US · Science & Technology · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- American Society of Charter Life Underwriters Inc Springfield Chap
EIN 046135040 · Headquarters: Holyoke, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- American Society of Craniofacial Surgery Foundation
EIN 453263205 · Headquarters: BEVERLY, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society of Craniofacial Surgery Inc
EIN 954354450 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Society of Interior Designers New England Chapter
EIN 237417525 · Headquarters: BOXBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Society of Islamic Philosophy and Theology
EIN 882889942 · Headquarters: Waltham, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society of Law Medicine & Ethics Inc
EIN 237236339 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society of Maxillofacial Surgeons
EIN 741362603 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Society of Media Photographers Inc
EIN 222912481 · Headquarters: GLOUCESTER, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Society of Medication Safety Officers
EIN 205043417 · Headquarters: Oxford, MA, US · Crime & Legal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- American Society of Military Comptrollers Yankee C
EIN 030593182 · Headquarters: Bedford, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American Society of Professional Estimators Boston Chapter No 25 In
EIN 042681217 · Headquarters: HOPKINTON, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society of Psychopthology of Expression
EIN 237105388 · Headquarters: BROOKLINE, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- American Society of Russian-speakin G Pathologists
EIN 394654158 · Headquarters: Boston, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society of Science Engineering & Technology
EIN 871313612 · Headquarters: Lexington, MA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Society of Science Engineering and Technology for Youth
EIN 812186458 · Headquarters: Lynnfield, MA, USA · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- American Society of Shufa Calligraphy Education
EIN 451452449 · Headquarters: West Roxbury, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Sport A Plus Inc
EIN 831674038 · Headquarters: West Springfield, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Statistical Association
EIN 521665921 · Headquarters: Carlisle, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Storyboard Inc
EIN 043509661 · Headquarters: GLOUCESTER, MA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- American Street Hockey Institute Inc
EIN 043041022 · Headquarters: WINCHENDON SPRINGS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- American String Teachers Association Massachusetts Unit
EIN 046167806 · Headquarters: Arlington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Student Dental Association
EIN 061741375 · Headquarters: Boston, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- American Student Dental Association
EIN 205919401 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- American Success Institute Inc
EIN 043259332 · Headquarters: Wellesley, MA, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- American Surgical Association
EIN 953126287 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Surgical Association Foundation
EIN 953179452 · Headquarters: BEVERLY, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Textile History Museum Inc
EIN 042276089 · Headquarters: LOWELL, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990
- American Tibetan Medical Association Inc
EIN 841725825 · Headquarters: Haydenville, MA, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- American Tower Corporation Foundation Inc
EIN 815266916 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- American Training Inc
EIN 042662986 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- American Turtle Observatory
EIN 473842859 · Headquarters: New Salem, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- American University of Kinshasa Foundation Inc
EIN 043429481 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- American Values Coalition Inc
EIN 873133577 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ