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
- International Amusement & Leisure Defense Association Inc
EIN 232772755 · Headquarters: WELLESLEY, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- International Animal Rescue
EIN 542044674 · Headquarters: Shrewsbury, MA, United States · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Arts Foundation for Kids Inc
EIN 474009413 · Headquarters: Franklin, MA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Assembly of God
EIN 043502466 · Headquarters: RANDOLPH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- International Assn of Fire Fighters
EIN 042481241 · Headquarters: WESTWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Assn of Firefighters-Local 1631
EIN 046143952 · Headquarters: Norwood, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Assoc of Bridge Struc Ironworkers Local Union 470
EIN 160834515 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- International Assoc of Fire Fighter
EIN 042656692 · Headquarters: PITTSFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Assoc of Fire Fighters
EIN 237287182 · Headquarters: GARDNER, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- International Assoc of Fire Fighters 1857 North Reading
EIN 237080024 · Headquarters: NORTH READING, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Assoc of Fire Fighters L1370 Wilmington
EIN 042864508 · Headquarters: WILMINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Assoc of Fire Fighters L2611
EIN 510226939 · Headquarters: Bridgewater, MA, USA · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- International Assoc of Fire Fighters L5054 West Boylston Prof Fire Fighters
EIN 473791829 · Headquarters: WEST BOYLSTON, MA, USA · Employment · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- International Assoc of Firefighter L 172
EIN 237366220 · Headquarters: SALEM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Assoc of Firefighter Local 1564 - Winchester
EIN 046143970 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Assoc of Firefighters
EIN 046400706 · Headquarters: HUDSON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Assoc of Firefighters
EIN 237265688 · Headquarters: WEST SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Assoc of Firefighters Loca
EIN 043366927 · Headquarters: North Attleboro, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- International Assoc of Firefighters Local #1714
EIN 237404194 · Headquarters: MARLBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Assoc of Firefighters Local 1602 Roc
EIN 046143958 · Headquarters: Rockland, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- International Assoc of Firefighters Local 1658 - Andover Ma
EIN 237389854 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Assoc of Firefighters Local 1931
EIN 237082513 · Headquarters: SEEKONK, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Assoc of Firefighters Local 1992
EIN 510226947 · Headquarters: North Attleboro, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Assoc of Firefighters Local 2167
EIN 237265685 · Headquarters: DUXBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Assoc of Firefighters Local 3128
EIN 042609944 · Headquarters: FITCHBURG, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Assoc of Firefighters Lu 792 Quincy
EIN 046067258 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- International Assoc of Lions 12119
EIN 046137778 · Headquarters: Walpole, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- International Assoc of Lions Club
EIN 201433560 · Headquarters: Millis, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Assoc of Lions Clubs
EIN 863056372 · Headquarters: BOURNE, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association Firefighters Local 2035
EIN 046343681 · Headquarters: NORTH ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association for Artificial Intelligence & Law Inc
EIN 223204628 · Headquarters: Harvard, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association for Biological and Medical Research In
EIN 760733843 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association for Child and Adolescent Psychiatry and Alli
EIN 046112576 · Headquarters: CHESTNUT HILL, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- International Association for Comparative Mythology
EIN 262036538 · Headquarters: Cambridge, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association for Human Caring
EIN 521747504 · Headquarters: WESTWOOD, MA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association for Human Resource Information Management In
EIN 770181078 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943064770 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943064771 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943064772 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943064774 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943064775 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943064779 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943064780 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943064781 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943064783 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943064786 · Headquarters: Burlington, MA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943064787 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943064788 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 943117225 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Association for Human Resource Information Management In
EIN 954156311 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Association for Media and History Inc
EIN 223248018 · Headquarters: Canton, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- International Association for Perceptual Control Theory Inc
EIN 854184111 · Headquarters: Edgartown, MA, US · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- 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
EIN 411407956 · Headquarters: Groveland, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association of Administrative Professionals
EIN 042724247 · Headquarters: New Bedford, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Association of Administrative Professionals
EIN 043408986 · Headquarters: Norton, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- International Association of Administrative Professionals
EIN 046116602 · Headquarters: Wakefield, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- International Association of Administrative Professionals
EIN 134299007 · Headquarters: Fitchburg, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- International Association of Administrative Professionals
EIN 200085020 · Headquarters: Chelmsford, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- International Association of Administrative Professionals
EIN 237025683 · Headquarters: Chicopee, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- International Association of Administrative Professionals
EIN 510586527 · Headquarters: Salem, MA, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Association of Administrative Professionals
EIN 571137436 · Headquarters: Somerville, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- International Association of Administrative Professionals
EIN 800397841 · Headquarters: Mendon, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- International Association of Administrative Proffesionals
EIN 020687465 · Headquarters: West Yarmouth, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- International Association of Bridge Struct & Ornament Iron Workers 745
EIN 020371177 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- International Association of Clan Macinnes Inc
EIN 542074449 · Headquarters: Norwood, MA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- International Association of Electrical Inspectors
EIN 043165142 · Headquarters: RUSSELL, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association of Fire 146
EIN 046116609 · Headquarters: Lawrence, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Fire Fighters
EIN 042578873 · Headquarters: Uxbridge, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 042610451 · Headquarters: Greenfield, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 042630075 · Headquarters: WEST BRIDGEWATER, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 042677733 · Headquarters: NAHANT, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 042783384 · Headquarters: Raynham Center, MA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 043000057 · Headquarters: southborough, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 043005925 · Headquarters: Dudley, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 043076789 · Headquarters: Topsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 043118554 · Headquarters: Middleton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 043132194 · Headquarters: Buzzards Bay, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 043144814 · Headquarters: Plainville, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- International Association of Fire Fighters
EIN 043282929 · Headquarters: Cotuit, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 043334248 · Headquarters: East Freetown, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 043385972 · Headquarters: Brewster, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 043446268 · Headquarters: Avon, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 043491898 · Headquarters: Uxbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 043539691 · Headquarters: Charlton City, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 046113098 · Headquarters: Saugus, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 046113394 · Headquarters: Newburyport, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 046119599 · Headquarters: WESTFIELD, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 046142844 · Headquarters: FAIRHAVEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Fire Fighters
EIN 046143955 · Headquarters: Randolph, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 046143956 · Headquarters: Reading, MA, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 046143962 · Headquarters: Swampscott, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 046143963 · Headquarters: Taunton, MA, USA · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- International Association of Fire Fighters
EIN 046143972 · Headquarters: Belmont, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 046143981 · Headquarters: Haverhill, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- International Association of Fire Fighters
EIN 202142059 · Headquarters: Norfolk, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 204531800 · Headquarters: Mendon, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 204959265 · Headquarters: Oxford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 205289041 · Headquarters: Shirley, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- International Association of Fire Fighters
EIN 222963013 · Headquarters: Lakeville, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N