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
- Massacusetts Teachers Association
EIN 043105237 · Headquarters: Petersham, MA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Massacusetts Teachers Association
EIN 912142888 · Headquarters: PLYMOTH, MA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Massacusetts Teachers Association
EIN 912142904 · Headquarters: SAVOY, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Massacusetts Teachers Association
EIN 912142912 · Headquarters: franklin, MA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Massacusetts Teachers Association D/b/a Milton Educators' Association
EIN 237163498 · Headquarters: MILTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massage and Burn Scar Therapy Corporation
EIN 611801812 · Headquarters: FRAMINGHAM, MA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Massally Inc
EIN 814151380 · Headquarters: Boston, MA, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Massapoag Sportsmens Club Inc
EIN 046116173 · Headquarters: SHARON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Massapoag Yacht Club Inc
EIN 046114607 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massapoag Youth Skeet Team
EIN 823119097 · Headquarters: South Easton, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Massasoit Community College Foundation Inc
EIN 237100537 · Headquarters: Brockton, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massasoit Lodge 129
EIN 237621243 · Headquarters: Cambridge, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Massasoit Professional Association
EIN 510147734 · Headquarters: Brockton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Massasoit-narragansett Lodge Af&am
EIN 237170396 · Headquarters: FALL RIVER, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massautonomy Inc
EIN 861598683 · Headquarters: NORTH FALMOUTH, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990
- Masscare Capital Inc
EIN 222975198 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Masschallenge Inc
EIN 270382989 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Masscommute Inc
EIN 203137642 · Headquarters: BOSTON, MA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Masscop Local 507
EIN 883470978 · Headquarters: LUDLOW, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Masscreative Action Network Inc
EIN 460916402 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Masscreative Inc
EIN 460904093 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massdevelopment Hefa Trust
EIN 043379905 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Masse Boucicaut Foundation Inc
EIN 880716786 · Headquarters: MALDEN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- MassEnergize Inc
EIN 833545333 · Headquarters: Concord, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massep Org Corp
EIN 043437390 · Headquarters: BURLINGTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Massequality Education Fundorg Inc
EIN 200816574 · Headquarters: WORCESTER, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Massequalityorg the Campaign for Equality Inc
EIN 043581319 · Headquarters: WORCESTER, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- MassGam Association Inc
EIN 883179631 · Headquarters: Leominster, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Massgame
EIN 204081376 · Headquarters: WORCESTER, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Masshire Hampden County Workforce Board Inc
EIN 222489896 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- MassHire Metro South/West
EIN 043530815 · Headquarters: Framingham, MA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Masshire North Central Workforce Board Inc
EIN 042868843 · Headquarters: LEOMINSTER, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Masshousing Property Acquisition & Disposition Corporation
EIN 043129500 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Massignite Inc
EIN 473655010 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Massimino Cataldo Fund
EIN 237100538 · Headquarters: JAMAICA PLAIN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Masslandlords Inc
EIN 222606893 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Masslnc Inc
EIN 830899189 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990
- Massmouth Inc
EIN 273434918 · Headquarters: Roslindale, MA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Massmutual Foundation Inc
EIN 474967720 · Headquarters: SPRINGFIELD, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Masspace Inc
EIN 823298161 · Headquarters: BOSTON, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- Masspile Drivers Joint Apprentice Fund
EIN 042828814 · Headquarters: BOSTON, MA, USA · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990
- Masspoetry Inc
EIN 270584283 · Headquarters: BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massportfolio Inc
EIN 393887795 · Headquarters: Pittsfield, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Massrap
EIN 832534640 · Headquarters: Medfield, MA, US · Housing & Shelter · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Massrobotics Inc
EIN 471919574 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Masssolar Is Working Inc
EIN 475203514 · Headquarters: Montague, MA, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- MassVision Foundation
EIN 331878357 · Headquarters: Burlington, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Massvote Action Fund Inc
EIN 272425032 · Headquarters: Boston, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- MassWest Services Inc
EIN 222515964 · Headquarters: Holyoke, MA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Master Cycle Racing Association Inc
EIN 061236789 · Headquarters: Attleboro, MA, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Master Gardeners Association of Cape Cod Inc
EIN 020631556 · Headquarters: BARNSTABLE, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990
- Master Members & Wardens of the Grand Lodge of Masons in Massachusetts
EIN 046057714 · Headquarters: SALEM, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Sergeant P Andrew Mckenna Jr
EIN 474749073 · Headquarters: Somerset, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Master Singers Inc
EIN 042645984 · Headquarters: LEXINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Master Singers of Worcester Inc
EIN 510195563 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Master Sports Inc
EIN 043610830 · Headquarters: DANVERS, MA, USA · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Master Trust Agreement for Welfare Benefits
EIN 043480219 · Headquarters: SOMERVILLE, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990
- Master Warden & Members of the Grand Lodge of Masons in Mass
EIN 043318908 · Headquarters: Harwich, MA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Master Wardens
EIN 432001249 · Headquarters: MIDDLEBORO, MA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Master Wardens & Member of the Grand Lodge of Masons in Mass
EIN 041692795 · Headquarters: Orange, MA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Master Wardens & Members at the Grand Lodge at Masons in Mass
EIN 237170788 · Headquarters: Newtonville, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Master Wardens & Members Joseph Warren-soley Lodge Af & Am
EIN 237165996 · Headquarters: LINCOLN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of Beth Horon
EIN 041032902 · Headquarters: DEDHAM, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990
- Master Wardens & Members of Grand Lodge of Masons in Ma Frank W Thompson Lodge
EIN 237167775 · Headquarters: BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of Masons
EIN 041032765 · Headquarters: LUDLOW, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Master Wardens & Members of Masons Abington Masonic Association
EIN 041012393 · Headquarters: ABINGTON, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990
- Master Wardens & Members of Masons Abraham H Howland Jr Lodge
EIN 237215965 · Headquarters: FAIRHAVEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of Masons Celestial Lodge
EIN 041466033 · Headquarters: Westwood, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of Masons Dba Prospect Lodge Af & Am
EIN 041032813 · Headquarters: ROSLINDALE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of Masons in Ma
EIN 041032717 · Headquarters: WATERTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of Masons in MA
EIN 046043445 · Headquarters: Millis, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of Masons in Mass
EIN 041032721 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Master Wardens & Members of Masons in Mass
EIN 041032862 · Headquarters: Winchester, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of Masons in Mass
EIN 041032878 · Headquarters: PLYMOUTH, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Master Wardens & Members of Masons in Mass
EIN 041203947 · Headquarters: Dedham, MA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Master Wardens & Members of Masons in Mass
EIN 223183114 · Headquarters: Swampscott, MA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Master Wardens & Members of Masons in Mass
EIN 237170794 · Headquarters: Brockton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of Masons in Mass Golden Rule Lodge
EIN 046057347 · Headquarters: WAKEFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of the Charles River Lodge
EIN 237170826 · Headquarters: Medway, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Fraternal Lodge
EIN 041032826 · Headquarters: CENTERVILLE, MA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Gardner Masonic Char & Educ Trust
EIN 042590813 · Headquarters: GARDNER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of the Grand Lodge of Mason in Mass the Harvard Lodge Af and Am
EIN 237146926 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032726 · Headquarters: Braintree, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032743 · Headquarters: Berkley, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032755 · Headquarters: Natick, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032756 · Headquarters: Framingham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032764 · Headquarters: Woburn, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032767 · Headquarters: Medford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032775 · Headquarters: AMHERST, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032788 · Headquarters: Attleboro, MA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032798 · Headquarters: ADAMS, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032823 · Headquarters: Methuen, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032833 · Headquarters: GEORGETOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032854 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032895 · Headquarters: west springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032922 · Headquarters: Stoughton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032935 · Headquarters: Wrest Boylston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032941 · Headquarters: Hingham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032973 · Headquarters: Gardner, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Master Wardens & Members of the Grand Lodge of Masons in Mass
EIN 041032989 · Headquarters: Leominster, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N