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
- Nupusa
EIN 863444112 · Headquarters: Ayer, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nur Foundation Inc
EIN 872492846 · Headquarters: Burlington, MA, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Nur Impact Fund
EIN 333352560 · Headquarters: Boston, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nurse Practitioner Associates for Continuing Education Inc
EIN 042725301 · Headquarters: NATICK, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Nurses Care for Haitian Children Inc
EIN 800665672 · Headquarters: TAUNTON, MA, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Nurses Organization of the Veterans Affairs
EIN 363379285 · Headquarters: Boston, MA, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Nursestakedc
EIN 825159337 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Nurturing Foster Families Inc
EIN 862160310 · Headquarters: EASTHAM, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nurturing Minds Inc
EIN 208870624 · Headquarters: NEWTONVILLE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nurtury Inc
EIN 042105893 · Headquarters: ROXBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nutrient Networks Inc
EIN 822173973 · Headquarters: WEST WAREHAM, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nutrinet Foundation Inc
EIN 991364970 · Headquarters: RANDOLPH, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nutshell Playhouse Inc
EIN 204949088 · Headquarters: Lenox, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nuttall Ornithological Club Inc
EIN 046059561 · Headquarters: PEMBROKE, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nuvola Studio Inc
EIN 800516144 · Headquarters: Somerville, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Nuvu Innovation School Inc
EIN 992358963 · Headquarters: CAMBRIDGE, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nuya Inc
EIN 770683799 · Headquarters: SOMERVILLE, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Nvhs Coverage Associates
EIN 043174302 · Headquarters: BRAINTREE, MA, USA · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- Nvhs Management Services
EIN 042762957 · Headquarters: BRAINTREE, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- NVNA Foundation Inc
EIN 273458384 · Headquarters: Norwell, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- NVNA Works Inc
EIN 273458349 · Headquarters: Norwell, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Nws Elite Inc
EIN 043559924 · Headquarters: Agawam, MA, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Nwsl Boston Independent Supporters Association
EIN 994940544 · Headquarters: Boston, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nye Family of America Assoc Inc
EIN 237132163 · Headquarters: EAST SANDWICH, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Nyora Beads Inc
EIN 460810140 · Headquarters: Andover, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Nystroms Village Blacksmith Shop Inc
EIN 263035148 · Headquarters: ORANGE, MA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Nzuko Aro Okeigbo Massachusetts Inc
EIN 333993552 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- O a Soccer Boosters Club
EIN 043167193 · Headquarters: North Easton, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- O B Hill Memorial Fund
EIN 061757020 · Headquarters: Natick, MA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- O C H Inc
EIN 473096603 · Headquarters: ROSLINDALE, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- O F T Inc
EIN 043255009 · Headquarters: Marlborough, MA, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- O Os for a Cause Inc
EIN 811995710 · Headquarters: Dracut, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- O'connell Foundation Alliance
EIN 100001951 · Headquarters: N QUINCY, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- O'dell Women's Center Inc
EIN 866746563 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- O'donnell Family Charitable Trust Joseph Matzkin Esq Trustee
EIN 046828957 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oa Bargaining Unit Sunshine Fund
EIN 611685369 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Oa Basketball Boosters
EIN 833310345 · Headquarters: Easton, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oa Cheer Boosters
EIN 872290527 · Headquarters: North Easton, MA, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Oak and Sparrow Ministry
EIN 832979052 · Headquarters: Hudson, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oak Bluffs Ambulance Association
EIN 202729332 · Headquarters: Oak Bluffs, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Bluffs Assocation Inc
EIN 043110673 · Headquarters: Oak Bluffs, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Oak Bluffs Patrolmans Association
EIN 043295972 · Headquarters: OAK BLUFFS, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oak Bluffs School Parent Teacher Organization
EIN 043066372 · Headquarters: Oak Bluffs, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oak Grove Cape Verdean Cultural Center Inc
EIN 200097147 · Headquarters: ONSET, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oak Grove Cemetery Association of Falmouth Inc
EIN 222945788 · Headquarters: FALMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oak Grove Cemetery of Springfield Inc
EIN 042264222 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Oak Grove Improvement Association Inc
EIN 042812760 · Headquarters: MALDEN, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Hill Beagle Club
EIN 455432972 · Headquarters: Rehoboth, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oak Hill Community Development Corporati
EIN 222599363 · Headquarters: WORCESTER, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Oak Hill Country Club
EIN 041683440 · Headquarters: FITCHBURG, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Oak Hill Inc
EIN 042954430 · Headquarters: IPSWICH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oak Hill Middle School Parent Teacher Organization
EIN 202126638 · Headquarters: Newton, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oak Hill Park Association Inc C/o Jessica Gashin
EIN 042109778 · Headquarters: NEWTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Meadow Montessori School Inc
EIN 042629516 · Headquarters: LITTLETON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oak Point Homeowners Scholarship Fund Inc
EIN 853931003 · Headquarters: Middleboro, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oak Point Veterans Association Inc
EIN 451759291 · Headquarters: MIDDLEBORO, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Ridge Detachment Marine Corps League Inc
EIN 412187199 · Headquarters: Millers Falls, MA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oak Ridge PTA
EIN 043223620 · Headquarters: E Sandwich, MA, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- Oak Street School Parent Communication Council
EIN 273359890 · Headquarters: Franklin, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oak Tree Academy
EIN 202913948 · Headquarters: MARSTONS MILLS, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oak Village Home Owners Association Inc
EIN 043289307 · Headquarters: North Falmouth, MA, US · Housing & Shelter · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Oakdale Cemetary Assoc Inc S
EIN 046062982 · Headquarters: WEST BOYLSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oakdale Foundation Inc
EIN 042717961 · Headquarters: GREAT BARRINGTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oakdale Parent Teacher Association Project Playground
EIN 042996121 · Headquarters: Dedham, MA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Oakdale Parent Teacher Organization Inc
EIN 333429063 · Headquarters: Dedham, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oakes Ames Memorial Hall Association Inc
EIN 046054525 · Headquarters: NORTH EASTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oakham Historical Museum Inc
EIN 043262672 · Headquarters: OAKHAM, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oakham New Braintree Baseball Inc
EIN 452534557 · Headquarters: OAKHAM, MA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Oakham Police Officers Association Inc
EIN 465323583 · Headquarters: OAKHAM, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Oakham-new Braintree Parent Teacher Organization-pto
EIN 201198347 · Headquarters: Oakham, MA, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Oakhill Community Residents Association Inc
EIN 202474927 · Headquarters: Attleboro, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Oakhill Foundation
EIN 206021595 · Headquarters: LINCOLN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Oakland Park Childrens Center Inc
EIN 042537155 · Headquarters: Medford, MA, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990
- Oaklandvale School Pto Inc
EIN 562434374 · Headquarters: SAUGUS, MA, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990
- Oakmont Outlaws Soccer Club Inc
EIN 472087866 · Headquarters: Westminster, MA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakmont Overlook Music Parents Association Inc
EIN 263352573 · Headquarters: Ashburnham, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oakmont Youth Football and Cheer Inc
EIN 821509456 · Headquarters: Westminster, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Oakmont Youth Soccer Inc
EIN 931698736 · Headquarters: WESTMINSTER, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Oakpoint Charitable Foundation
EIN 821895023 · Headquarters: Waltham, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Oakstar Healers
EIN 883409973 · Headquarters: Wrentham, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oakview Preservation Incorporated
EIN 260531829 · Headquarters: Walpole, MA, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Oars Inc
EIN 042963426 · Headquarters: CONCORD, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Oasis Coalition of Boston Inc
EIN 264269360 · Headquarters: Boston, MA, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Oasis De Vida
EIN 460513692 · Headquarters: DORCHESTER, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Oasis Healthcare Foundation Inc
EIN 823621229 · Headquarters: LOWELL, MA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Oasis Healthy Lives Inc
EIN 883730067 · Headquarters: Lexington, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Oasis of Faith Campus Ministries
EIN 461918392 · Headquarters: Lynn, MA, US · Religion Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Oasis Open
EIN 251720375 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Ob Hockey
EIN 274018345 · Headquarters: FRANKLIN, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- OB TraceVue Users' Group Inc
EIN 020585781 · Headquarters: North Andover, MA, USA · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ
- Obadiah Missions Inc
EIN 851928812 · Headquarters: Allston, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Obermayer Foundation Inc
EIN 042711822 · Headquarters: DEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Obesity Prevention Center for Children & Youth
EIN 201734891 · Headquarters: Brockton, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Object Management Group Inc
EIN 043047994 · Headquarters: MILFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Observatory Hill Foundation
EIN 993543205 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Obsessive Compulsive Foundation Inc
EIN 043401380 · Headquarters: WAVERLEY, MA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Obstetrical Society of Boston Inc
EIN 043469680 · Headquarters: MARBLEHEAD, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Obviozele Leukemia Foundation Inc
EIN 881034147 · Headquarters: ROSLINDALE, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Obz Design
EIN 461883724 · Headquarters: Salem, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Oca-apaa-ne
EIN 863151832 · Headquarters: NEEDHAM, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N