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
- South Central Mass IAABO Board 208
EIN 384327603 · Headquarters: Bellingham, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South Central Massachusetts Elder Bus Inc
EIN 042550015 · Headquarters: CHARLTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Charlton Resevoir Association Inc
EIN 474044485 · Headquarters: Charlton, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Chatham Public Library Inc
EIN 042940367 · Headquarters: South Chatham, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- South Chatham Village Association Inc
EIN 010655670 · Headquarters: South Chatham, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Church Preservation Inc
EIN 042773479 · Headquarters: Nantucket, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Coast Artists Inc
EIN 263878861 · Headquarters: WESTPORT, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- South Coast Bikeway Alliance
EIN 462312279 · Headquarters: Taunton, MA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- South Coast Chamber Music Society
EIN 043575488 · Headquarters: New Bedford, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ
- South Coast Community Chorale
EIN 043433457 · Headquarters: Fall River, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- South Coast Conference Corporation C/o Andrew Kulak
EIN 272492742 · Headquarters: FAIRHAVEN, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South Coast Girls Softball
EIN 200397727 · Headquarters: Fairhaven, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Coast Hispanic Chamber of Commerce Inc
EIN 932559263 · Headquarters: New Bedford, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- South Coast Hockey League Llc
EIN 850851513 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- South Coast Human Services Inc
EIN 922239067 · Headquarters: NEW BEDFORD, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Coast Innovator Labs Ltd
EIN 300747324 · Headquarters: New Bedford, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- South Coast Lgbtq Network Inc
EIN 822601799 · Headquarters: NEW BEDFORD, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Coast Neighbors United Incorporated
EIN 810878593 · Headquarters: NEW BEDFORD, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- South Coast Opera Club
EIN 200985078 · Headquarters: Fall River, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- South Coast School Counselors Association
EIN 814241250 · Headquarters: Dartmouth, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- South Coast Softball Association
EIN 364775382 · Headquarters: Somerset, MA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- South Coast Stone Fleet
EIN 883618473 · Headquarters: Marshfield, MA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- South Coast Tropical Fish Society I
EIN 932287792 · Headquarters: DARTMOUTH, MA, USA · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- South Coast Wheelchair Tennis Foundation Corp
EIN 813405547 · Headquarters: ATTLEBORO, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Coastal Counties Legal Services
EIN 043330208 · Headquarters: Brockton, MA, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- South County Sunshine Group
EIN 923463189 · Headquarters: Sunderland, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- South Cove Community Health Center Inc
EIN 042501818 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Cove Manor at Quincy Point Rehabilitation Center Inc
EIN 800687948 · Headquarters: QUINCY, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Cove Manor Nursing and Rehabilitation Center Qalicb Inc
EIN 352419744 · Headquarters: QUINCY, MA, USA · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990
- South Cove Nursing Facilities Foundation Inc
EIN 046406242 · Headquarters: QUINCY, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Dartmouth Cemetery Association
EIN 042129039 · Headquarters: SOUTH DARTMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- South Deerfield Cemetery Association
EIN 041851995 · Headquarters: SOUTH DEERFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990
- South Deerfield Womens Club
EIN 043060883 · Headquarters: South Deerfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Dennis Free Public Library Association
EIN 237121172 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South Eastern Economic Development Corporation
EIN 042772952 · Headquarters: TAUNTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Eastern Ma Paws of Comfort
EIN 851096773 · Headquarters: South Attleboro, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- South Easton Cemetery Corp
EIN 263178112 · Headquarters: South Easton, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- South Elementary School Parent Teacher Organization
EIN 800912751 · Headquarters: Stoughton, MA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- South Elementary School PTA
EIN 800416044 · Headquarters: Plymouth, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South End Action Committee Citizen Council Inc
EIN 042712587 · Headquarters: SPRINGFIELD, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South End Athletics & Activities Association Inc
EIN 043053210 · Headquarters: Boston, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South End Business Alliance
EIN 043294164 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South End Business Association Inc
EIN 042784674 · Headquarters: NEW BEDFORD, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- South End Community Center of Spfld Inc
EIN 042103854 · Headquarters: Springfield, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- South End Community Health Center Inc
EIN 042456134 · Headquarters: EAST BOSTON, MA, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- South End Historical Society Inc
EIN 046149016 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- South End Lower Roxbury Open Space Land Trust
EIN 042610775 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2011 · Primary form: IRS Form 990
- South Fitchburg Hunting and Fishing Club
EIN 932217258 · Headquarters: TOWNSEND, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- South Fitchburg Social Club
EIN 041852320 · Headquarters: FITCHBURG, MA, USA · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990
- South Foxborough Community Center
EIN 020747379 · Headquarters: Foxboro, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Gardner Golf Association
EIN 046047315 · Headquarters: Gardner, MA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- South Gardner Historical Society Inc
EIN 042640987 · Headquarters: Gardner, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- South Grafton Parent Teacher Organization Inc
EIN 261073231 · Headquarters: GRAFTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South Hadley & Granby Chamber of Commerc
EIN 042468123 · Headquarters: SOUTH HADLEY, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- South Hadley Ahpc
EIN 461391901 · Headquarters: South Hadley, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Hadley Education Association Inc
EIN 900336721 · Headquarters: SOUTH HADLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South Hadley Family Center Inc
EIN 202195099 · Headquarters: SOUTH HADLEY, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- South Hadley Fire District 2 Firefighters Association
EIN 334371129 · Headquarters: South Hadley, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- South Hadley Historical Inc
EIN 522084289 · Headquarters: South Hadley, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South Hadley Knights of Columbus No 1721 Building Association
EIN 273682678 · Headquarters: South Hadley, MA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- South Hadley Music Parents Association Inc
EIN 550798329 · Headquarters: South Hadley, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- South Hadley Swimming Club Inc
EIN 042349199 · Headquarters: South Hadley, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South Hadley Swords Swim Team
EIN 454972439 · Headquarters: South Hadley, MA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- South High Community School Band Association
EIN 461744284 · Headquarters: Worcester, MA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- South Lawrence Youth Baseball Corp
EIN 993017852 · Headquarters: LAWRENCE, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Lebanon Nonprofit Corp
EIN 821217895 · Headquarters: Roxbury, MA, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- South Meadow Village Association Inc
EIN 042892342 · Headquarters: Carver, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South Memorial Elementary School Parent Teacher Org Inc
EIN 204067925 · Headquarters: Peabody, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South Middle School Pto Corp
EIN 931373172 · Headquarters: Braintree, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South Middlesex Foundation Inc
EIN 043536532 · Headquarters: FRAMINGHAM, MA, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- South Middlesex Hospital Association Inc
EIN 042554649 · Headquarters: CAMBRIDGE MA, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- South Middlesex Mens Club Inc
EIN 202094342 · Headquarters: Framingham, MA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- South Middlesex Non-profit Housing Corporation Inc
EIN 042921318 · Headquarters: FRAMINGHAM, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Middlesex Opportunity Properties Inc
EIN 043093032 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South Monument Cemetery Corporation
EIN 923179307 · Headquarters: ACUSHNET, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Mountain Association
EIN 046049419 · Headquarters: PITTSFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- South Mountain Company Foundation
EIN 161628987 · Headquarters: WEST TISBURY, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- South Nassau Benevolent Assn Inc
EIN 112589761 · Headquarters: Amherst, MA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- South Natick Neighbors & Newcomers Inc
EIN 680622602 · Headquarters: Natick, MA, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- South Norfolk County Residences Inc
EIN 042584668 · Headquarters: WESTWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Norfolk Elderly Housing Services Inc
EIN 042700069 · Headquarters: SHARON, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Quincy Social Club Inc
EIN 042724141 · Headquarters: QUINCY, MA, USA · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990
- South River School Parent-teacher Organization
EIN 464457085 · Headquarters: Marshfield, MA, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- South Row School Parent Teacher Organization-pto-inc
EIN 043163145 · Headquarters: Chelmsford, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South School Pto
EIN 431993641 · Headquarters: HINGHAM, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South School Stoneham Pto Inc
EIN 811264146 · Headquarters: Stoneham, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- South Shore Action for Hope Inc
EIN 862700506 · Headquarters: Plymouth, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- South Shore Amateur Athletic Foundation
EIN 042661484 · Headquarters: Hingham, MA, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- South Shore Art Center Inc
EIN 042259692 · Headquarters: COHASSET, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990
- South Shore Ballet Theatre Foundation Inc
EIN 873664500 · Headquarters: HINGHAM, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Shore Bank Charitable Foundation Inc
EIN 043356807 · Headquarters: SOUTH WEYMOUTH, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- South Shore Bay Band
EIN 223421007 · Headquarters: DUXBURY, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Shore Camera Club of Massachusetts
EIN 384020090 · Headquarters: BRAINTREE, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- South Shore Chamber of Commerce Foundation Inc
EIN 043465392 · Headquarters: ROCKLAND, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- South Shore Chamber of Commerce Inc
EIN 041752580 · Headquarters: ROCKLAND, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Shore Chapter of the Military Officers Association of America
EIN 301201022 · Headquarters: Weymouth, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- South Shore Charter Educational Foundation Inc
EIN 030528760 · Headquarters: NORWELL, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Shore Childrens Chorus Corp
EIN 811986701 · Headquarters: Quincy, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- South Shore Christian Academy
EIN 043226161 · Headquarters: Weymouth, MA, United States · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- South Shore Coalition of Independent Therapists
EIN 042875906 · Headquarters: SANDWICH, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N