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Index Every US public charity, on the record

Unclassified in Massachusetts

3,263 public charities the IRS codes as unclassified, 1,363 of them reporting revenue of $50,000 or more.

Organizations

Largest first

By revenue on the last return. Organizations that file Form 990-N report no figures and come last.

Organization	Return	Revenue
Childrens International Summer Villages IncChicopee	Form 990-N	No figure
Association for Computing MachineryLowell	Form 990-N	No figure
Association for Computing MachineryMedford	Form 990 or 990-EZ	No figure
Massachusetts Scholars with a Goal IncSpringfield	Form 990-N	No figure
Little People of America IncSouthbridge	Form 990-N	No figure
Mass General Brigham Payroll IncSomerville	Form 990 or 990-EZ	No figure
Mercy Otis Warren SocietyPlymouth	Form 990-N	No figure
United States Catholic ConferenceWorcester	None required	No figure
United States Catholic ConferenceWorcester	None required	No figure
United States Catholic ConferenceWorcester	None required	No figure
United States Catholic ConferenceWorcester	None required	No figure
Cape Ann Climate Coalition IncGloucester	Form 990-N	No figure
Last Lap Run ClubBrookline	Form 990-N	No figure

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By size

Under $50K1,751
$50K to $500K788
$500K to $1M161
$1M to $2.5M161
$2.5M to $5M93
Over $5M179
No figure on file130

Size classes

Peers are ranked inside these.

Most common codes

Unclassified
NTEE Z99
150
Unclassified
NTEE Z82
1

Cities

Boston
228
South Hadley
100
Worcester
91
Cambridge
71
Waltham
48
Framingham
41
Springfield
41
Plymouth
37
Brookline
35
Newton
34

Source. IRS public records, as of October 13, 2026. Financial figures are from the most recent return on file. Street addresses are not published here.

Peers. Public charities with the same focus group, state and size class, and a return no more than 33 months old.

Scope. The Index covers the 501(c)(3) organizations the IRS classes as publicly supported charities, in the 50 states and the District of Columbia. Churches, schools, hospitals and supporting organizations are classed separately and are not included.