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
- Star of Bethlehem Charitable Foundation Inc
EIN 823538671 · Headquarters: WAKEFIELD, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Star of the Sea Mens Club Inc
EIN 042815757 · Headquarters: East Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Star Power Education
EIN 352479156 · Headquarters: WORCESTER, MA, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Star Scholarship Tr
EIN 137379003 · Headquarters: Westminster, MA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Star Store Community for the Arts Inc
EIN 334958376 · Headquarters: BOSTON, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Starbright Foundation Inc
EIN 993063430 · Headquarters: NATICK, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Stardust Initiative Inc
EIN 881761332 · Headquarters: Revere, MA, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stardust Show Chorus Inc
EIN 364517234 · Headquarters: Newton, MA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Starehe Foundation Inc
EIN 475023607 · Headquarters: Lowell, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Stargardtians Inc
EIN 921003087 · Headquarters: Falmouth, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Starhs Inc
EIN 651256888 · Headquarters: Hatfield, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Starlight Childrens Foundation
EIN 042982399 · Headquarters: Boston, MA, US · Health Care · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Starlight Hand Ministry
EIN 900673904 · Headquarters: WORCESTER, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Starlights Youth Theatre Inc
EIN 271820858 · Headquarters: Amherst, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Starlite Grouphomes Incorporated
EIN 881299491 · Headquarters: BEVERLY, MA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Staro-konstantinov Progressive Cemetery Association
EIN 046093478 · Headquarters: Dedham, MA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Stars of Honor Foundation
EIN 474196761 · Headquarters: Medway, MA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Stars of the Future Inc.
EIN 992294167 · Headquarters: Southbridge, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Stars Stripes & Spoons 4-H Club
EIN 814248605 · Headquarters: North Reading, MA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Stars Youth Baseball League
EIN 464369625 · Headquarters: HYDE PARK, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Starstostars Inc
EIN 455016553 · Headquarters: Boxborough, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Start All Sports Camp Inc
EIN 813149051 · Headquarters: Millbury, MA, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Start Em Early Foundation
EIN 844648162 · Headquarters: Southwick, MA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Start Families Inc
EIN 813124581 · Headquarters: Boston, MA, US · Medical Research · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Start Labs Inc
EIN 452852600 · Headquarters: CAMBRIDGE, MA, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Starting Out Solo
EIN 453649610 · Headquarters: Boston, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Starting Over Network Inc
EIN 043241132 · Headquarters: CHELMSFORD, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Starts with a Smile Incorporated
EIN 822259533 · Headquarters: acton, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Startup Leadership Program Inc
EIN 273869858 · Headquarters: Wellesley, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Startup Secrets Inc
EIN 813692193 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Stas Educational Services Inc
EIN 883322581 · Headquarters: GILBERTVILLE, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- State 4-H Horse Show Committee
EIN 412099404 · Headquarters: Hadley, MA, US · Youth Development · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- State Archery Association of Massachusetts Inc
EIN 270340029 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- State Legislative Leaders Foundation Inc
EIN 237148478 · Headquarters: MARSTONS MILLS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- State of Massachusetts Animal Response Team Inc
EIN 300550560 · Headquarters: MARLBOROUGH, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- State Police Association of Massachusetts
EIN 042462459 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- State Police Commissioned Officers' Association of Mass Inc
EIN 042710087 · Headquarters: Framingham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- State Police Striders
EIN 874394046 · Headquarters: Lynnfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- State Street Foundation Inc
EIN 562615567 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- State Symbols USA
EIN 205994082 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- State-line Riders Atv Club Inc
EIN 465533044 · Headquarters: MONSON, MA, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Stateless Collective
EIN 863469246 · Headquarters: Lexington, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- States United to Prevent Gun Violence Action Fund
EIN 472062419 · Headquarters: East Arlington, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Statewide Towing Academy Inc
EIN 263384209 · Headquarters: AMESBURY, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Statewide Towing Association Inc
EIN 237121457 · Headquarters: AMESBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Static Noyze Dance Company Inc
EIN 261273980 · Headquarters: Brookline, MA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Station 1 Laboratory Inc
EIN 813784803 · Headquarters: Lawrence, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Station Avenue Elementary School Pto
EIN 264292547 · Headquarters: S Yarmouth, MA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Station for Natural Studies Inc
EIN 222855714 · Headquarters: BROOKLINE, MA, USA · Science & Technology · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Status Project
EIN 922185325 · Headquarters: Boston, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Status Project Inc
EIN 993865004 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stavros Center for Independent Living Inc
EIN 510172014 · Headquarters: Amherst, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stay Driven Charitable Foundation Inc
EIN 863379163 · Headquarters: Quincy, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stay N Play Childrens Museum
EIN 842528665 · Headquarters: Bridgewater, MA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Stay Strong Stay Focused Foundation Inc
EIN 842557518 · Headquarters: Stoneham, MA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stcc Professional Association
EIN 042724683 · Headquarters: Springfield, MA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stdy Inc
EIN 882983064 · Headquarters: Needham, MA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Ste Jeanne D Arc Haiti Foundation Inc
EIN 161722550 · Headquarters: QUINCY, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ste Jeanne DArc Basketball League Inc
EIN 043233065 · Headquarters: Lowell, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Steam Ahead Inc
EIN 833984772 · Headquarters: JAMAICA PLAIN, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Steam Beans Inc
EIN 814376943 · Headquarters: STOUGHTON, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Steam City Corp
EIN 334060586 · Headquarters: EVERETT, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Steam Locomotive Operation Group Incorporated
EIN 922282318 · Headquarters: Chelmsford, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Steam Studio Education Foundation Inc
EIN 814236160 · Headquarters: Andover, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Steampowerment
EIN 992019110 · Headquarters: Newton, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Steamworks Kids Lab Inc
EIN 824809509 · Headquarters: Marblehead, MA, US · Youth Development · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Stearns Elementary Pta
EIN 453050030 · Headquarters: Pittsfield, MA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Stearns Organic Farm CSA Inc
EIN 043236765 · Headquarters: Framingham, MA, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Steel Erection & Ornamental Iron Industry Advancement Fund
EIN 222514310 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Stefanik School Pto
EIN 301431286 · Headquarters: Chicopee, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stein Family Foundation Inc
EIN 043416831 · Headquarters: EAST FALMOUTH, MA, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Steinway Society of Massachusetts
EIN 550842431 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Stella Birthdays Inc
EIN 264536412 · Headquarters: DENNIS, MA, USA · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Stella Kyriacopoulos Charitable Trust
EIN 206179984 · Headquarters: HINGHAM, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Stella Maris Catholic Academy Inc
EIN 993407361 · Headquarters: SCITUATE, MA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Stella P Holt Foundation
EIN 261316481 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Stellar Music Mission Inc
EIN 994339301 · Headquarters: leominster, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stellwagen Alive - Friends of Our National Marine Sanctuary Inc
EIN 010903418 · Headquarters: SCITUATE, MA, USA · Animal Related · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Stellwagen Bank Charterboat Assoc Inc
EIN 474093434 · Headquarters: Marshfield, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Stem Advocacy Institute Aka Civic Science Media Lab
EIN 823902027 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Stem AIDS Program
EIN 205805735 · Headquarters: randolph, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Stem Bridge Incorporated
EIN 883837320 · Headquarters: WEYMOUTH, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stem Explorations
EIN 932694490 · Headquarters: Lexington, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stem for All Acadmey
EIN 990571541 · Headquarters: Andover, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stem for Everyone Incorporated
EIN 844176871 · Headquarters: West Roxbury, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stem Garden Institute
EIN 452492205 · Headquarters: MILTON, MA, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Stem Horizons Inc
EIN 932998206 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Stem Inspiration Organization Inc
EIN 830734009 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Stem Synergy Inc
EIN 300874817 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Stem Together Corporation
EIN 993007963 · Headquarters: Newtonville, MA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Stem4free Incorporated
EIN 851362578 · Headquarters: Andover, MA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- STEMatch Inc
EIN 820950918 · Headquarters: Wellesley Hills, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Stemberg Thomas G Char Fnd Attn Noreen Snow Bbh
EIN 205672425 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Stemfirst Inc
EIN 453474215 · Headquarters: Shrewsbury, MA, US · Youth Development · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Stemlove Inc
EIN 994787190 · Headquarters: Shrewsbury, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- STEMpower Inc
EIN 832778390 · Headquarters: Marblehead, MA, United States · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Stemrship Inc
EIN 882318659 · Headquarters: Weston, MA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Stemteachersmassbay Inc
EIN 853351139 · Headquarters: Sharon, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Step by Step Behavioral Solutions Inc
EIN 463843618 · Headquarters: BOSTON, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Step by Step Supportive Services Inc
EIN 462793728 · Headquarters: BROOKLINE, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990