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
- Wildland Restoration International Inc
EIN 463077252 · Headquarters: DUXBURY, MA, USA · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990
- Wildlands Trust Inc
EIN 042973205 · Headquarters: PLYMOUTH, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Wildlife Care International USA Incorporated
EIN 272034796 · Headquarters: N Billerica, MA, US · Animal Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Wildlife Rehabilitation and Release Foundation of Central Ma
EIN 473216190 · Headquarters: Hubbardston, MA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Wildlife Rehabilitators Association of Massachusetts Inc
EIN 043174534 · Headquarters: North Grafton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wildlife Rescue of East Hampton Inc
EIN 843024425 · Headquarters: Ware, MA, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Wildlife Society Inc
EIN 237035921 · Headquarters: Amherst, MA, US · Animal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Wildside Cottage and Gardens Inc
EIN 463353979 · Headquarters: Conway, MA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Wildstar Equine Assisted Activities and Therapy In
EIN 822801705 · Headquarters: Sherborn, MA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- Wildwood Acres Education Foundation
EIN 414632922 · Headquarters: West Brookfield, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Wildwood School Parents Advisory Council Inc
EIN 043355539 · Headquarters: Wilmington, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Wilensky Foundation C/o Worcester Advisors
EIN 046111520 · Headquarters: WORCESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Wilkins School Parent Teacher Organization of Stoughton Ma
EIN 873680403 · Headquarters: STOUGHTON, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Wilkinson Young Singers Fund Inc
EIN 872474815 · Headquarters: Rehoboth, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Will Vaus Ministries
EIN 930968767 · Headquarters: Cummaquid, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Willard Family Association of America Inc
EIN 042936303 · Headquarters: GRAFTON, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Willard House & Clock Museum Inc
EIN 042671799 · Headquarters: NORTH GRAFTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Willard School Parent Teacher Group
EIN 237352649 · Headquarters: Concord, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Willett Elementary School Pto Inc
EIN 261431216 · Headquarters: ATTLEBORO, MA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Willett Pond Charitable and Protection Association Inc
EIN 042952135 · Headquarters: WALPOLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Willett Pto
EIN 050611024 · Headquarters: NORWOOD, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- William & Jennie Gladding Family Park Tr
EIN 066203940 · Headquarters: Lynnfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William a Jones Jr Scholarship Fund Inc
EIN 843846562 · Headquarters: BARNSTABLE, MA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- William a Lynch Tr Uw Charitable Trust
EIN 046016042 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William a Rich Scholarship Fund Charitable Tr
EIN 046504012 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William a Richardson Trust Ui
EIN 046045863 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William Agnew Memorial Fund
EIN 933885045 · Headquarters: COTUIT, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Bernice Bumpus Fdn
EIN 043410822 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Cynthia Marcus Family Charitable Trust
EIN 046042910 · Headquarters: CHESTNUT HILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Gertrude Shelley Family
EIN 462152884 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William and Leslie Lee Family Foundation
EIN 331244450 · Headquarters: WELLESLEY, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William and Nancy Kirk Scholarship Fund Trust
EIN 387186447 · Headquarters: STONEHAM, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William B Rice Aid Fund Inc
EIN 046058104 · Headquarters: HUDSON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William B Rice Eventide Home Inc
EIN 042106771 · Headquarters: SOUTH WEYMOUTH, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- William B Swett Museum
EIN 043332303 · Headquarters: BEVERLY, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William Beecher Scoville Foundation Inc
EIN 136184954 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William Carter and Marlys Burdett Schlr Tr
EIN 456540849 · Headquarters: GLOUCESTER, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- William Diamond Junior Fife & Drum Corps Inc
EIN 274355651 · Headquarters: Lexington, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- William Diamond Middle School Pta
EIN 911805747 · Headquarters: Lexington, MA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- William Diamond Middle School Pto
EIN 832136008 · Headquarters: LEXINGTON, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William E Maloney Foundation
EIN 046131998 · Headquarters: LEXINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William E Schrafft and Bertha E Schrafft Charitable Trust
EIN 046065605 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William F & Juliana W Thompson Charitable Fund
EIN 222946782 · Headquarters: WALTHAM, MA, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990
- William F Ray Foundation
EIN 136271610 · Headquarters: Sherborn, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William F Stanley Elementary School Pto
EIN 200924576 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William Flaherty Scholarship Fund
EIN 043267325 · Headquarters: Attleboro, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William G Abdalah Memorial Library Inc
EIN 222542311 · Headquarters: Cataumet, MA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- William G Vinal Parent Teacher Organization
EIN 043724454 · Headquarters: NORWELL, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- William Gaines Foundation-biggys Kids Inc
EIN 460611422 · Headquarters: Belmont, MA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- William Gaver Annunciata Memorial Scholarship Fund
EIN 826331818 · Headquarters: COTUIT, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- William Gustus Memorial Foundation Inc
EIN 923313466 · Headquarters: Wayland, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- William H Ames MEM FD-MFundsETF
EIN 046905273 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William H Galvin School Capt Inc
EIN 842311578 · Headquarters: CANTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- William H Harris Foundation
EIN 046197960 · Headquarters: LEXINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William H Leland Iii Charitable Foundation Inc
EIN 571214427 · Headquarters: NORTHBOROUGH, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-PF
- William H Lincoln School Pto
EIN 043501001 · Headquarters: BROOKLINE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- William H Reisner Foundation
EIN 046108949 · Headquarters: CLINTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Harold Francis Austin Trust Uw Chari
EIN 042714929 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Hodgins Charitable Foundation Ms Karen Hess Trustee
EIN 047019049 · Headquarters: WESTWOOD, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- William Howard Taft High School Class of 1964 50Th Reunion
EIN 464492677 · Headquarters: Malden, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- William J and Kathleen M Fitzgerald Foundation
EIN 876896133 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William J Boyle Scholarship Inc
EIN 863385562 · Headquarters: SPRINGFIELD, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- William J Bresnahan Scouting and Community Center Inc
EIN 262994267 · Headquarters: ASHBURNHAM, MA, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- William J Mckee Jr Charitable Foundation
EIN 046640238 · Headquarters: WORCESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William J Murray Memorial School Support Fund Inc
EIN 922575204 · Headquarters: WEST SPRINGFIELD, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William J O'brien Memorial Lecture Series
EIN 202399611 · Headquarters: WORCESTER, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ
- William J Stewart Memorial Golf Classic
EIN 043249952 · Headquarters: Hyannis, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William James College
EIN 042620216 · Headquarters: Newton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- William James College Psi Chi Chapter
EIN 992767597 · Headquarters: NEWTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- William Joiner Foundation Inc
EIN 222916699 · Headquarters: Dedham, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- William L Murphy & Claire M Corcoran Family Foundation
EIN 452089614 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990-PF
- William L Saltonstall Foundation
EIN 473821470 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Lowell Putnam Prize Fund for the Promotion of Scholarship
EIN 043414102 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William M Winters Scholarship Fund
EIN 204144575 · Headquarters: ABINGTON, MA, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- William Makepeace Atwood Scholarship Fd Co
EIN 223269387 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William P Anderson Foundation Central Trust
EIN 316034059 · Headquarters: SCITUATE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William P Brady Memorial Scholarship Trust
EIN 202893076 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- William P Sapelli Elementary Pto
EIN 412055254 · Headquarters: AGAWAM, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- William P Wharton Trust UW Art 2(D)
EIN 046407797 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Palladino Memorial Scholarship Inc
EIN 043538389 · Headquarters: Foxboro, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William R Fenoglio Foundation
EIN 061469574 · Headquarters: SCITUATE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William R Oconnell and Linda P Oconnell Foundation Dtd 102497
EIN 043395911 · Headquarters: STOCKBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William Rosenberg Family Foundation Inc
EIN 592675613 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William S & Patricia G Taupier Charitable Foundation Inc
EIN 753050485 · Headquarters: TYNGSBORO, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William S Kaiser Family Foundation C/o Scs Financial Services
EIN 263505536 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William S Miller Post174 American Legion
EIN 046189352 · Headquarters: WESTMINSTER, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William Sutton Lodge Af & Am Trustees of Real Estate
EIN 061807984 · Headquarters: SAUGUS, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- William Sutton Lodge Trustees Bldg
EIN 041886335 · Headquarters: SAUGUS, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- William Tittle Memorial Scholarship Fund
EIN 824383275 · Headquarters: Dudley, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- William Townsend Porter Foundation C/o Hemenway & Barnes
EIN 042104293 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- William V & Betty M Ellis Family Foundation
EIN 306038996 · Headquarters: GLOUCESTER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- William W Bain Jr Charitable Trust
EIN 046572942 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF
- William Wilberforce International
EIN 272900571 · Headquarters: CAMBRIDGE, MA, USA · Social Science · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- William's Be Yourself Challenge
EIN 874610009 · Headquarters: CARLISLE, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Williams After School Club Inc
EIN 030440927 · Headquarters: Newton, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Williams Boltwood House Trust Inc
EIN 900516807 · Headquarters: Goshen, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Williams College
EIN 042104847 · Headquarters: WILLIAMSTOWN, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Williams College Land Foundation Inc
EIN 043158500 · Headquarters: Williamstown, MA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Williams Elementary School Pto Inc
EIN 472492224 · Headquarters: Pittsfield, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Williams Fund Incorporated
EIN 832770046 · Headquarters: Marion, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N