Data / Nonprofits / Massachusetts
Nonprofits in Massachusetts: 44,202 registered with the IRS
44,202 nonprofits are registered with the IRS in Massachusetts, 37,409 of them 501(c)(3) charities; the 18,061 that report revenue took in $217.60 billion. The most are in Boston (4,572), Cambridge (1,287), Worcester (1,031). The largest by revenue: Fidelity Investments Charitable Gift Fund ($30.63 billion), Mass General Brigham Incorporated and Affiliates Group RTN ($24.91 billion), Massachusetts Institute of Technology ($6.74 billion).
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By cause
- Education 5,167
- Arts, culture and humanities 3,836
- Human services 3,091
- Religion-related 3,035
- Philanthropy, voluntarism and grantmaking foundations 3,023
- Recreation and sports 2,998
- Community improvement and capacity building 1,554
- Health care 1,212
- Environment 1,035
- Youth development 1,006
- Housing and shelter 828
- Public and societal benefit 768
- Animal-related 733
- International, foreign affairs and national security 677
- Mental health and crisis intervention 591
- Food, agriculture and nutrition 447
- Employment 438
- Diseases, disorders and medical disciplines 415
- Mutual and membership benefit 351
- Civil rights, social action and advocacy 334
- Medical research 312
- Science and technology 280
- Public safety, disaster preparedness and relief 277
- Crime and legal-related 276
- Social science 75
By city
- Boston 4,572
- Cambridge 1,287
- Worcester 1,031
- Springfield 744
- Newton 533
- Waltham 480
- Dorchester 460
- Pittsfield 438
- Lowell 425
- Brockton 423
- Lexington 405
- Somerville 395
- Framingham 392
- Brookline 385
- Quincy 363
- New Bedford 355
- Plymouth 338
- Lynn 335
- Needham 321
- Beverly 318
- Concord 307
- Andover 303
- Braintree 300
- Fall River 289
- Arlington 284
- Woburn 281
- Salem 278
- Malden 260
- Medford 257
- Belmont 253
- Natick 252
- Wellesley 250
- Gloucester 246
- Amherst 246
- Lawrence 242
- Jamaica Plain 239
- Haverhill 232
- Wakefield 224
- Roxbury 218
- Attleboro 218
- Winchester 214
- Holyoke 210
- Marlborough 210
- Taunton 207
- Newburyport 205
- Watertown 202
- Hingham 199
- Northampton 198
- Acton 196
- Peabody 195
- Dedham 193
- Fitchburg 193
- Marblehead 192
- Burlington 188
- Leominster 187
- Chicopee 184
- Hyde Park 181
- Milton 181
- Norwood 181
- Sudbury 180
- Canton 179
- Weston 176
- Nantucket 175
- South Hadley 175
- Shrewsbury 173
- Westfield 172
- Chestnut Hill 166
- North Andover 164
- Methuen 161
- Greenfield 161
- Westborough 160
- Sharon 159
- Stoughton 155
- Randolph 154
- Franklin 152
- Wayland 152
- Danvers 151
- Chelmsford 150
- Charlestown 149
- Milford 149
- Brighton 149
- Marshfield 147
- Weymouth 145
- Reading 145
- Hyannis 144
- Westford 143
- Westwood 142
- Falmouth 133
- Bedford 131
- Duxbury 129
- Hanover 127
- Bridgewater 126
- Melrose 125
- West Roxbury 125
- Amesbury 124
- Revere 124
- Roslindale 123
- Stoneham 123
- Hopkinton 123
- Walpole 122
- Tewksbury 121
- Wilmington 118
- Chelsea 118
- Everett 118
- Billerica 117
- Scituate 116
- Mansfield 112
- Ipswich 111
- Norwell 111
- Easthampton 111
- W Springfield 110
- Lincoln 110
- Mattapan 109
- Hudson 104
- Vineyard HVN 103
- GT Barrington 102
- Longmeadow 102
- Southborough 100
- Saugus 100
- South Boston 99
- Auburn 98
- Dracut 98
- East Boston 98
- Swampscott 97
- Norton 97
- Ashland 96
- N Attleboro 96
- Westport 96
- Fairhaven 94
- Florence 92
- North Easton 92
- Orleans 92
- Medfield 91
- Brewster 91
- Northborough 89
- E Longmeadow 88
- Gardner 88
- Kingston 87
- Mashpee 87
- Middleboro 87
- Foxboro 87
- North Reading 87
- Lynnfield 86
- Cohasset 85
- Holliston 85
- Williamstown 84
- Lenox 84
- Pembroke 83
- Belchertown 82
- Winthrop 81
- Wilbraham 80
- Agawam 80
- Southbridge 79
- North Adams 78
- Littleton 77
- Abington 76
- Medway 76
- Provincetown 75
- Webster 75
- Seekonk 75
- Marion 71
- Holden 71
- Ludlow 71
- Rockport 70
- Swansea 70
- Edgartown 69
- Manchester 69
- Rockland 69
- Groton 67
- Centerville 66
- Dover 66
- Somerset 66
- Harvard 65
- Wrentham 65
- S Hamilton 64
- Mattapoisett 64
- Maynard 64
- Bellingham 64
- Harwich 63
- East Falmouth 63
- Athol 62
- Boxford 62
- Uxbridge 62
- Stow 62
- Sandwich 61
- Clinton 60
- Chatham 60
- Millbury 60
- West Newton 59
- Hadley 58
- Dartmouth 58
- Rehoboth 58
- Newton Center 58
- Raynham 58
- Topsfield 58
- Charlton 58
- S Yarmouth 57
- Hull 56
- Buzzards Bay 55
- Wareham 55
- Carlisle 54
- Lakeville 53
- Sutton 53
- Sterling 53
- South Easton 52
- Ayer 52
- Spencer 52
- Boylston 52
- Tyngsboro 52
- Sherborn 51
- Boxborough 51
- N Dartmouth 51
- Whitinsville 51
- Norfolk 51
- Lee 51
- Allston 50
- Barnstable 50
- Upton 50
- Winchendon 49
- Pepperell 49
- Middleton 49
- Lunenburg 49
- Newtonville 48
- Millis 48
- Southwick 48
- Monson 48
- Marstons MLS 48
- Plainville 47
- Foxborough 47
- Ware 47
- E Bridgewtr 47
- Westminster 47
- Georgetown 46
- Dorchestr Center 46
- Oak Bluffs 46
- Shelburne FLS 46
- Auburndale 46
- Wellesley HLS 46
- Whitman 45
- Osterville 45
- N Chelmsford 45
- Adams 45
- West Boylston 44
- Barre 44
- Feeding Hills 44
- Waban 44
- W Bridgewater 44
- Townsend 43
- Dalton 43
- S Dartmouth 43
- Orange 43
- Grafton 43
- South Dennis 43
- Wellfleet 43
- Hanson 43
- Eastham 43
- Salisbury 42
- Sheffield 42
- W Barnstable 42
- Hopedale 41
- Carver 41
- Shirley 41
- Palmer 40
- Stockbridge 40
- Holbrook 40
- Douglas 40
- West Newbury 39
- Sturbridge 39
- Newton HLDS 39
- West Tisbury 38
- Turners Falls 38
- Oxford 38
- Rochester 38
- Newton Centre 37
- Rutland 37
- Bolton 37
- Dudley 37
- Mendon 36
- North Grafton 35
- Yarmouth Port 34
- S Weymouth 34
- Granby 34
- N Billerica 33
- S Deerfield 32
- Cotuit 32
- Leicester 32
- Lancaster 32
- Ashburnham 32
- Woods Hole 32
- Dennis 32
- Wenham 31
- Acushnet 31
- Truro 31
- N Falmouth 30
- Vineyard Haven 30
- West Yarmouth 30
- Princeton 30
- Groveland 30
- Blackstone 29
- Brimfield 29
The 100 largest by revenue
| Organization | City | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|---|
| Fidelity Investments Charitable Gift Fund | Boston | Community improvement and capacity building | 501(c)(3) | 1991 | $30.63 billion | $86.27 billion | 2025-06 |
| Mass General Brigham Incorporated and Affiliates Group RTN | Somerville | Health care | 501(c)(3) | 2010 | $24.91 billion | $32.20 billion | 2025-09 |
| Massachusetts Institute of Technology | Cambridge | Education | 501(c)(3) | 1926 | $6.74 billion | $45.31 billion | 2025-06 |
| Boston Medical Center Health Plan Inc | Charlestown | Health care | 501(c)(3) | 2000 | $5.81 billion | $1.71 billion | 2025-09 |
| Umass Memorial Health Care Inc | Worcester | Health care | 501(c)(3) | 2000 | $4.57 billion | $9.78 billion | 2025-09 |
| Dana-Farber Cancer Institute | Boston | Medical research | 501(c)(3) | 1962 | $3.92 billion | $6.00 billion | 2025-09 |
| Childrens Hospital Corporation | Boston | Health care | 501(c)(3) | 1983 | $3.59 billion | $9.12 billion | 2025-09 |
| Beth Israel Deaconess Medical Center Inc | Charlestown | Health care | 501(c)(3) | 1938 | $3.44 billion | $4.78 billion | 2025-09 |
| Northeastern University | Boston | Education | 501(c)(3) | 1995 | $3.16 billion | $6.83 billion | 2025-06 |
| Boston Medical Center Corporation | Boston | Health care | 501(c)(3) | 1996 | $2.97 billion | $3.05 billion | 2025-09 |
| Commonwealth Care Alliance Inc | Boston | Health care | 501(c)(3) | 2005 | $2.77 billion | $538.4 million | 2024-12 |
| Tufts Health Public Plans Inc | Canton | Mutual and membership benefit | 501(c)(4) | 2017 | $2.57 billion | $988.4 million | 2024-12 |
| Tufts Associated Health Maintenance Organization Inc | Canton | 501(c)(4) | 1979 | $2.56 billion | $945.4 million | 2024-12 | |
| The Mitre Corporation | Bedford | Science and technology | 501(c)(3) | 1960 | $2.48 billion | $1.19 billion | 2024-12 |
| Harvard Pilgrim Health Care Inc | Canton | Health care | 501(c)(3) | 1969 | $2.45 billion | $1.10 billion | 2024-12 |
| Mass General Brigham Incorporated | Somerville | Health care | 501(c)(3) | 2010 | $2.44 billion | $10.86 billion | 2025-09 |
| Tempus Unlimited Inc | Stoughton | Diseases, disorders and medical disciplines | 501(c)(3) | 1959 | $2.24 billion | $240.8 million | 2025-06 |
| Mass General Brigham Health Plan Inc | Somerville | Health care | 501(c)(4) | 1990 | $2.19 billion | $741 million | 2024-12 |
| Harvard Management Private Equity Corporation | Boston | Education | 501(c)(3) | 1991 | $2.00 billion | $50.83 billion | 2025-06 |
| Baystate Medical Center Inc | Springfield | Health care | 501(c)(3) | 1983 | $1.90 billion | $1.72 billion | 2025-09 |
| Fallon Community Health Plan Inc | Worcester | Health care | 501(c)(3) | 1976 | $1.84 billion | $671.1 million | 2024-12 |
| Boston College Trustees | Chestnut Hill | Education | 501(c)(3) | 1982 | $1.84 billion | $7.72 billion | 2025-05 |
| Bank of America Charitable Gift Fund | Boston | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1957 | $1.66 billion | $5.10 billion | 2024-12 |
| Trustees of Tufts College | Medford | Education | 501(c)(3) | 1932 | $1.56 billion | $4.94 billion | 2025-06 |
| Tufts Medical Center Parent Inc | Boston | 501(c)(3) | 2008 | $1.48 billion | $893.9 million | 2025-09 | |
| MGB Pooled Holdings LLC | Somerville | Health care | 501(c)(3) | 2017 | $1.41 billion | $18.20 billion | 2025-09 |
| Southcoast Hospitals Group Inc | New Bedford | Health care | 501(c)(3) | 1986 | $1.38 billion | $1.24 billion | 2025-09 |
| Lahey Clinic Hospital Inc | Charlestown | Health care | 501(c)(3) | 1994 | $1.35 billion | $616.3 million | 2025-09 |
| Northrop Grumman Veba Master Trust I | Quincy | Mutual and membership benefit | 501(c)(9) | 1988 | $1.34 billion | $249.5 million | 2024-12 |
| Cape Cod Healthcare Inc | Hyannis | Health care | 501(c)(3) | 1985 | $1.19 billion | $1.39 billion | 2025-09 |
| Health New England & Subsidiaries | Springfield | Health care | 501(c)(4) | 2015 | $995.6 million | $294.1 million | 2024-12 |
| Charles Stark Draper Laboratory Inc | Cambridge | Science and technology | 501(c)(3) | 1973 | $949.3 million | $900.9 million | 2025-06 |
| South Shore Hospital Inc | S Weymouth | Health care | 501(c)(3) | 1982 | $922.5 million | $684.3 million | 2025-09 |
| Beth Israel Lahey Health Inc HCSR | Charlestown | Health care | 501(c)(3) | 2020 | $887.9 million | $827.8 million | 2025-09 |
| Broad Institute Inc | Cambridge | Medical research | 501(c)(3) | 2009 | $846.1 million | $3.51 billion | 2025-06 |
| Berkshire Medical Center Inc | Pittsfield | Health care | 501(c)(3) | 1984 | $824.8 million | $904.2 million | 2025-09 |
| Harvard Medical Faculty Phys at Beth Israel Deaconess Med Center Inc | Boston | Health care | 501(c)(3) | 1988 | $809.8 million | $461.4 million | 2025-09 |
| Umass Memorial Health Care Inc | Worcester | Health care | 501(c)(3) | 2000 | $790.6 million | $2.55 billion | 2025-09 |
| Trustees of Amherst College | Amherst | Education | 501(c)(3) | 1933 | $775.7 million | $6.21 billion | 2025-06 |
| Northeast Hospital Corporation | Charlestown | Health care | 501(c)(3) | 1934 | $708.8 million | $669.6 million | 2025-09 |
| The Lowell General Hospital | Lowell | Health care | 501(c)(3) | 1939 | $666.4 million | $389.8 million | 2025-09 |
| Faculty Practice Foundation Inc | Boston | 501(c)(3) | 1997 | $588 million | $92.2 million | 2025-09 | |
| Seven Hills Foundation Inc | Worcester | Human services | 501(c)(3) | 1996 | $541.2 million | $351.9 million | 2025-06 |
| Trustees of the Smith College | Northampton | Education | 501(c)(3) | 1934 | $532.5 million | $3.89 billion | 2025-06 |
| Worcester Polytechnic Institute | Worcester | 501(c)(3) | 1934 | $529.4 million | $1.43 billion | 2025-06 | |
| Williams College | Williamstown | Education | 501(c)(3) | 1934 | $528.8 million | $5.54 billion | 2025-06 |
| Baystate Medical Practices Inc | Springfield | Health care | 501(c)(3) | 1986 | $509.2 million | $105.1 million | 2025-09 |
| Childrens Medical Center | Boston | Health care | 501(c)(3) | 1960 | $500.8 million | $4.22 billion | 2025-09 |
| Brandeis University | Waltham | Education | 501(c)(3) | 1941 | $496.9 million | $1.97 billion | 2025-06 |
| Brockton Hospital Inc | Brockton | Health care | 501(c)(3) | 1983 | $488.3 million | $474.7 million | 2025-09 |
| Wellesley College | Wellesley | Education | 501(c)(3) | 1946 | $486.7 million | $4.21 billion | 2025-06 |
| Childrens Hospital Pediatric Associates Inc | Boston | Health care | 501(c)(3) | 2004 | $480.7 million | $687.3 million | 2025-09 |
| Harvard Pilgrim Health Care of New England Inc | Canton | Health care | 501(c)(4) | 1979 | $466.2 million | $146.8 million | 2024-12 |
| Berklee College of Music Inc | Boston | Education | 501(c)(3) | 1967 | $460.3 million | $988.1 million | 2025-05 |
| MCPHS University | Boston | Education | 501(c)(3) | 1934 | $456.5 million | $2.45 billion | 2025-06 |
| Action for Boston Community Development | Boston | Human services | 501(c)(3) | 1964 | $446.1 million | $174.9 million | 2025-08 |
| Elderhostel Inc | Boston | Recreation and sports | 501(c)(3) | 1978 | $446 million | $384 million | 2025-06 |
| The Us Charitable Gift Trust | Boston | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $430.9 million | $2.19 billion | 2024-12 |
| Cha General Services Inc | Malden | Health care | 501(c)(3) | 2004 | $429.2 million | $127.1 million | 2025-06 |
| Boston Foundation Inc | Boston | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $426.7 million | $2.15 billion | 2025-06 |
| Beth Israel Lahey Health Pharmacy Inc | Charlestown | Health care | 501(c)(3) | 2019 | $426.6 million | $144 million | 2025-09 |
| Boston Medical Center-South Corporation | Boston | Health care | 501(c)(3) | 2025 | $426.1 million | $251.8 million | 2025-09 |
| Lahey Clinic Inc | Charlestown | Health care | 501(c)(3) | 1994 | $414.8 million | $350.9 million | 2025-09 |
| Bentley University | Waltham | Education | 501(c)(3) | 1950 | $414 million | $906.6 million | 2025-06 |
| Emerson Hospital | Concord | Health care | 501(c)(3) | 1936 | $412 million | $312.4 million | 2025-09 |
| Metropolitan Boston Housing Partnership Inc | Boston | Housing and shelter | 501(c)(3) | 1983 | $406.4 million | $65.2 million | 2025-06 |
| Beth Israel Deaconess Hospital Plymouth Inc | Charlestown | Health care | 501(c)(3) | 1986 | $399.4 million | $277.6 million | 2025-09 |
| Mount Auburn Hospital | Charlestown | Health care | 501(c)(3) | 1936 | $397.4 million | $450.4 million | 2025-09 |
| Winchester Hospital | Charlestown | Health care | 501(c)(3) | 2015 | $397.1 million | $633.6 million | 2025-09 |
| Lawrence General Hospital | Lawrence | Health care | 501(c)(3) | 1942 | $367.6 million | $309.8 million | 2025-09 |
| Trustees of the College of the Holy Cross | Worcester | Education | 501(c)(3) | 1969 | $367.3 million | $1.77 billion | 2025-06 |
| Tufts Medical Center Physicians Organization Inc | Boston | 501(c)(3) | 1993 | $363.5 million | $49.6 million | 2025-09 | |
| Babson College | Wellesley HLS | Education | 501(c)(3) | 1923 | $359.6 million | $1.26 billion | 2025-06 |
| Suffolk University | Boston | Education | 501(c)(3) | 1937 | $358.6 million | $891.5 million | 2025-06 |
| Combined Jewish Philanthropies of Greater Boston Inc | Boston | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1965 | $357.3 million | $2.58 billion | 2025-06 |
| North Atlantic States Carpenters Health Benefits Fund | Wilmington | 501(c)(9) | 1959 | $353.2 million | $922.9 million | 2024-12 | |
| Woods Hole Oceanographic Institution | Woods Hole | Science and technology | 501(c)(3) | 1954 | $344.3 million | $785.1 million | 2024-12 |
| Emerson College | Boston | Education | 501(c)(3) | 1959 | $340.2 million | $1.16 billion | 2025-06 |
| Dental Service of Massachusetts Inc | Boston | 501(c)(4) | 1968 | $338.9 million | $141.4 million | 2024-12 | |
| Southcoast Physicians Group Inc | Fairhaven | Health care | 501(c)(3) | 1987 | $337.5 million | $169.3 million | 2025-09 |
| Boston Medical Center-Brighton Corporation | Boston | Health care | 501(c)(3) | 2025 | $335.7 million | $128.2 million | 2025-09 |
| Merrimack College | North Andover | Education | 501(c)(3) | 1947 | $322.2 million | $429.1 million | 2025-06 |
| Lifespan of Massachusetts - Fall River Inc | Fall River | Health care | 501(c)(3) | 2024 | $316.1 million | $498.3 million | 2025-09 |
| Sturdy Memorial Hospital | Attleboro | Health care | 501(c)(3) | 1982 | $315.8 million | $709.4 million | 2025-09 |
| Harvard Business School Publishing Corporation | Brighton | Arts, culture and humanities | 501(c)(3) | 1993 | $313.5 million | $195.2 million | 2025-06 |
| LG Newcorp Inc | Lawrence | Health care | 501(c)(3) | 2024 | $308.2 million | $165.7 million | 2025-09 |
| Holyoke Medical Center Inc | Holyoke | Health care | 501(c)(3) | 1985 | $306.2 million | $144.7 million | 2025-09 |
| Iso New England Inc | Holyoke | Environment | 501(c)(3) | 2004 | $303.3 million | $792.8 million | 2025-12 |
| BMC Health System | Boston | Health care | 501(c)(3) | 2014 | $298.3 million | $53.9 million | 2025-09 |
| Carequest Institute for Oral Health | Boston | Health care | 501(c)(4) | 2017 | $297.9 million | $2.60 billion | 2024-12 |
| Vinfen Corporation | Cambridge | Human services | 501(c)(3) | 1978 | $295.7 million | $219.8 million | 2025-06 |
| Melrosewakefield Healthcare Inc | Medford | Health care | 501(c)(3) | 1999 | $287.4 million | $213.7 million | 2025-09 |
| Associated Physicians of Harvard Faculty Physicians at Beth Isreal | Boston | Health care | 501(c)(3) | 2003 | $286.2 million | $81.9 million | 2025-09 |
| Bny Mellon Charitable Gift Fund | Boston | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $284.9 million | $2 million | 2024-12 |
| Partners in Health A Nonprofit Corporation | Boston | Health care | 501(c)(3) | 2002 | $284.7 million | $386.6 million | 2025-06 |
| Justice Resource Institute Inc | Needham | Crime and legal-related | 501(c)(3) | 1975 | $279.1 million | $240.7 million | 2025-06 |
| Neighborhealth Corporation | East Boston | Health care | 501(c)(3) | 1975 | $277.7 million | $174.2 million | 2025-09 |
| Fidelity Non-Profit Management Foundation | Boston | Community improvement and capacity building | 501(c)(3) | 1994 | $258.9 million | $2.57 billion | 2024-12 |
| Jsi Research & Training Institute Inc | Boston | 501(c)(3) | 1982 | $258.5 million | $195.8 million | 2025-09 | |
| Eliot Community Human Services Inc | Lexington | Mental health and crisis intervention | 501(c)(3) | 2007 | $255.9 million | $86.6 million | 2025-06 |
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.