Massachusetts
Nonprofits and 501C Tax Exempt Organizations

  • Organization Count: 68,785
  • Assets Total: $425,455,467,951
  • Income Total: $255,335,968,388
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  • Highest Asset Amount $57,546,936,000
  • Average Asset Amount $18,650,336
  • Highest Income Amount $34,032,106,849
  • Average Income Amount $9,643,238

Top Nonprofit Organizations in Massachusetts with the Most Assets

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501(C) Classification Totals

  • • The following table is a list of 501(c) classifications and the number of organizations in Massachusetts granted an exempt status under that classification.
    • The 501(c) section of the Internal Revenue Code of 1986 defines the category under which an organization may be tax exempt.
# Classification Description Organization Count Organization Assets
1 501(c)(3) Charitable Organization 34,920 $199,829,735,047 501c3
2 501(c)(3) Educational Organization 8,639 $177,576,352,891 501c3
3 501(c)(90) 4947(a)(2) - Charitable Trust (Form 990 Filer) 7,424 $0 501c90
4 501(c)(3) Religious Organization 3,913 $372,592,533 501c3
5 501(c)(7) Pleasure, Recreational, or Social Club 1,856 $1,391,473,481 501c7
6 501(c)(5) Labor Organization 1,622 $792,228,071 501c5
7 501(c)(8) Fraternal Beneficiary Society, Order or Association 1,436 $264,663,615 501c8
8 501(c)(4) Social Welfare Organization 1,287 $2,381,377,626 501c4
9 501(c)(19) Post or Organization of War Veterans 1,175 $74,507,452 501c19
10 501(c)(6) Business League 1,132 $1,274,371,029 501c6
11 501(c)(4) Civic League 994 $3,240,383,357 501c4
12 501(c)(10) Domestic Fraternal Societies and Associations 606 $206,278,916 501c10
13 501(c)(6) Board of Trade 591 $485,977,252 501c6
14 501(c)(3) Organization to Prevent Cruelty to Children 485 $38,015,382 501c3
15 501(c)(5) Horticultural Organization 400 $33,185,716 501c5
16 501(c)(9) Voluntary Employees' Beneficiary Association (Non-Govt. Emps.) 286 $10,495,455,342 501c9
17 501(c)(5) Agricultural Organization 233 $156,747,411 501c5
18 501(c)(2) Title-Holding Corporation 224 $511,975,716 501c2
19 501(c)(3) Organization to Prevent Cruelty to Animals 217 $217,181,203 501c3
20 501(c)(6) Chamber of Commerce 162 $39,347,940 501c6
21 501(c)(3) Literary Organization 157 $506,301,794 501c3
22 501(c)(92) 4947(a)(1) - Private Foundation (Form 990PF Filer) 136 $253,864,568 501c92
23 501(c)(3) Scientific Organization 114 $2,814,981,931 501c3
24 501(c)(14) Credit Union 111 $18,330,359,679 501c14
25 501(c)(13) Burial Association 107 $242,955,876 501c13
26 501(c)(4) Local Association of Employees 107 $8,575,292 501c4
27 501(c)(25) Title Holding Co. for Pensions, etc. 101 $1,574,919,060 501c25
28 501(c)(13) Cemetery Company 89 $544,597,714 501c13
29 501(c)(9) Voluntary Employees' Beneficiary Association (Govt. Emps.) 34 $441,059,864 501c9
30 501(c)(3) Organization for Public Safety Testing 24 $1,590,286 501c3
31 501(c)(1) Government Instrumentality 17 $15,066,562 501c1
32 501(c)(12) Benevolent Life Insurance Assoc. 13 $3,938,452 501c12
33 501(c)(15) Mutual Insurance Company or Assoc. Other Than Life or Marine 11 $0 501c15
34 501(c)(6) Real Estate Board 11 $17,198,559 501c6
35 501(c)(17) Supplemental Unemployment Compensation Trust or Plan 8 $7,179,596 501c17
36 501(c)(14) Other Mutual Corp. or Assoc. 4 $550,417,049 501c14
37 501(c)(12) Mutual Ditch or Irrigation Co. 4 $586,222 501c12
38 501(c)(12) Organization Like Those on Three Preceding Lines 3 $18,155 501c12
39 501(c)(40) Apostolic and Religious Org. (501(d)) 3 $0 501c40
40 501(c)(29) ACA 1322 Qualified Nonprofit Health Insurance Issuers 1 $39,005,983 501c29
41 501(c)(21) Black Lung Trust 1 $0 501c21
42 501(c)(11) Teachers Retirement Fund Assoc. 1 $1,942,856 501c11
False - none - No Classification 126 $719,058,473
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