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
- Maynard Pride Association
EIN 992319486 · Headquarters: Maynard, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Maynard Stow Baseball Softball Inc
EIN 042794816 · Headquarters: MAYNARD, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Maynard Theater Association Inc
EIN 994148601 · Headquarters: Maynard, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Maynard Youth Football and Cheer Program Inc
EIN 208617360 · Headquarters: MAYNARD, MA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Mayor Andrew R Curtis Memorial Fund
EIN 846774463 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mazal Institute Inc
EIN 043428130 · Headquarters: BRIGHTON, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mazar Family Charitable Foundation Trust
EIN 043344681 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mbadika Inc
EIN 473762045 · Headquarters: Malden, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mbaitu Inc
EIN 842498907 · Headquarters: Waltham, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mbhp Office Corporation
EIN 812357359 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990
- Mbta Pensioners Club Inc
EIN 043018940 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- MBTA Police Association Inc
EIN 042587616 · Headquarters: South Boston, MA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mbta Police Retirees Association
EIN 205125675 · Headquarters: Holbrook, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mbta Police Sergeants Association Incorporated
EIN 850959009 · Headquarters: Roxbury, MA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- MBTA Police Superior Officers Association Inc
EIN 883357749 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mbu USA Inc
EIN 300603261 · Headquarters: FRAMINGHAM, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mcafc-l6 Inc
EIN 844059367 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mcauley Nazareth Inc
EIN 042432430 · Headquarters: LEICESTER, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mcb Pathways Corp
EIN 994271747 · Headquarters: Milford, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- McCall Middle School Parents Assoc
EIN 061689575 · Headquarters: Winchester, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mccann Alumni Association Inc
EIN 823900265 · Headquarters: North Adams, MA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Mccartht-towne Ptso
EIN 311728947 · Headquarters: Stow, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mccarthy Brothers Bond Inc
EIN 991673862 · Headquarters: GREENFIELD, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mccarthy Elementary School Pto
EIN 043137123 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mccarthy Middle School Pto Inc
EIN 043180637 · Headquarters: CHELMSFORD, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mccarthy School Parent Teacher Organization Inc
EIN 812730920 · Headquarters: PEABODY, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mccarthytrifone Recreation Committee Inc
EIN 043429068 · Headquarters: CHELSEA, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mcclary Family Foundation Inc
EIN 850955900 · Headquarters: WALTHAM, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mcclelland Educational Private Foundatio
EIN 845167674 · Headquarters: SOUTHBOROUGH, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mccloskey Middle School Pto Inc
EIN 043204110 · Headquarters: Uxbridge, MA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Mcclphei Inc C/o Roxbury Community College Library
EIN 270867667 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mccormack Family Foundation Inc
EIN 824642716 · Headquarters: PLYMOUTH, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mccormack Fitness Center Inc Mfc
EIN 272258381 · Headquarters: BOSTON, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mccrae James Williams Foundation Inc
EIN 822876024 · Headquarters: NANTUCKET, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mccutchin-collins Charitable Trust Mass 031292
EIN 223100739 · Headquarters: DOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- McDevitt PTO
EIN 872989099 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mcdonagh Family Foundation
EIN 276920219 · Headquarters: HAVERHILL, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mcentric Chapter Member Services Corporation
EIN 334058942 · Headquarters: Quincy, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mcevoy Family Foundation
EIN 873394231 · Headquarters: MILTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mcginty Charitable Foundation Inc
EIN 201563820 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- McGlame Wordell Scholarship & Charitable Trust
EIN 222779687 · Headquarters: Danvers, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mcglynn Elementary School Parent Teacher Group Inc
EIN 201104215 · Headquarters: MEDFORD, MA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Mcglynn Middle School Parent Teacher Org
EIN 853222047 · Headquarters: MEDFORD, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mcgraw Motorcycle Museum Foundation
EIN 392516200 · Headquarters: OSTERVILLE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mcguire Family Foundation
EIN 562336978 · Headquarters: WESTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mcib & Friends Corp
EIN 881639750 · Headquarters: NEEDHAM, MA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mckay Parent Support Group
EIN 043094963 · Headquarters: Fitchburg, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mckenley S Youth Disabled Organization Corporation
EIN 841759667 · Headquarters: Boston, MA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Mckim Family Charitable Foundation
EIN 261313546 · Headquarters: NORWELL, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mcknight Community Development Corporation
EIN 043207383 · Headquarters: Springfield, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Mcknight Neighborhood Council
EIN 042660191 · Headquarters: SPRINGFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mckusick Family Association
EIN 223047704 · Headquarters: South Orleans, MA, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Mclaughlin Family Foundation Inc
EIN 832680256 · Headquarters: MILTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mclean Child Care Centerinc
EIN 042932850 · Headquarters: BELMONT, MA, USA · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990
- Mclean Hospital Nurses' Alumni Association
EIN 046064005 · Headquarters: N DARTMOUTH, MA, USA · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-PF
- Mcnamara Fund for Education and Charity Inc
EIN 814196434 · Headquarters: Shrewsbury, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mcofu Retiree Health and Welfare Plan Trust
EIN 816348115 · Headquarters: LEOMINSTER, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mcop Local 167 Southborough
EIN 471000471 · Headquarters: Southborough, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Mcps Charities Incorporated
EIN 204990990 · Headquarters: Milton, MA, US · Food, Agriculture & Nutrition · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Mcquillan Institute For Science Technology An
EIN 992901160 · Headquarters: BOSTON, MA, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990
- Mcvcac Inc
EIN 042749660 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mcvfa Fund Inc
EIN 812129018 · Headquarters: Northampton, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mcw Starz Elite
EIN 471852961 · Headquarters: SOUTH HAMILTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Md Waltham Youth Wrestling Inc
EIN 823015810 · Headquarters: WALTHAM, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mda Boosters
EIN 934278717 · Headquarters: Medfield, MA, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Mdr Golf Committee Incorporated
EIN 474330039 · Headquarters: Boston, MA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Mds Ehsan Nonprofit Organization Inc
EIN 815292887 · Headquarters: TEWKSBURY, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Mds Foundation Inc
EIN 043466040 · Headquarters: SOUTHBOROUGH, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Me Inc
EIN 994581533 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Me2 Orchestra Inc
EIN 452684239 · Headquarters: CHARLESTOWN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Meadow Brook Golf Club Corporation
EIN 041608216 · Headquarters: READING, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Meadow Brook School Parent Teacher Organization Inc
EIN 271022428 · Headquarters: East Longmeadow, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Meadow City Conservation Coalition
EIN 451220838 · Headquarters: NORTHAMPTON, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Meadow Lake Skiers Inc
EIN 223055480 · Headquarters: LEICESTER, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Meadow View Homeowners Realty Trust
EIN 387180846 · Headquarters: Foxboro, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Meadowbrook School of Weston Incorporated
EIN 042104720 · Headquarters: WESTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Meadowbrook Water Trust
EIN 046509856 · Headquarters: Dover, MA, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Meadowedge Art for Children
EIN 222827291 · Headquarters: Bernardston, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Meadows Racquet Club Inc
EIN 042581595 · Headquarters: LONGMEADOW, MA, USA · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Meadowview Farm Owners Association Inc
EIN 043241212 · Headquarters: Ipswich, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Meals That Matter Inc
EIN 934004390 · Headquarters: NORTH GRAFTON, MA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Meaningful Occasions Inc
EIN 852820938 · Headquarters: Randolph, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Meaningful Wins Foundation Inc
EIN 471258891 · Headquarters: Arlington, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Means Method Mission Inc
EIN 861850536 · Headquarters: BOSTON, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Measurers for the Future
EIN 453154892 · Headquarters: Easton, MA, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- MECC Home School Connection
EIN 900636718 · Headquarters: Marlborough, MA, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Mechanics Hall Corporation
EIN 043410521 · Headquarters: LOWELL, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Mechos Girls
EIN 861738382 · Headquarters: Amherst, MA, US · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Med Man Simulations Inc
EIN 208805345 · Headquarters: CHESTNUT HILL, MA, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Medarmeniaphilanthropy Inc
EIN 833391291 · Headquarters: EAST FALMOUTH, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Medchild International
EIN 831610443 · Headquarters: SALEM, MA, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Medcure Foundation
EIN 276208935 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Meddev Group Inc
EIN 810653058 · Headquarters: CONCORD, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Medexecwomen Inc
EIN 831935940 · Headquarters: LINCOLN, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Medfield Afterschool Program Inc
EIN 043061993 · Headquarters: MEDFIELD, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Medfield Animal Shelter Inc
EIN 043508728 · Headquarters: MEDFIELD, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Medfield Coalition for Public Education Inc
EIN 042978701 · Headquarters: MEDFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Medfield Community Cable Access Corporation
EIN 042978708 · Headquarters: Medfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Medfield Community Development Corporation
EIN 043045145 · Headquarters: MEDFIELD, MA, US · Housing & Shelter · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Medfield Community Market
EIN 934432070 · Headquarters: Medfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ