Directory of nonprofits by category

There are hundreds of different types of nonprofits in the United States. At a high level, hospitals and universities are the biggest drivers in the sector by revenue and number of employees. Foundations are the most numerous, and also have the third most amount of assets.

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Listing of nonprofit categories

Methodology: Cause IQ mines all tax-exempt organizations that file a Form 990 or 990PF with the IRS. We exclude Form 990EZ and Postcard filers, which are high in number but very small in size. We collect and aggregate this information from OCR'd paper taxreturns, XML e-file taxreturns, IRS-provided extract, the Business Master File, and Cause IQ secret sauce for data cleaning, categorization, classification, analytics, etc.

General categories of nonprofits

Category	Nonprofits	Employees	Revenues	Assets
Foundations	82,601	46,091	$174,588,014,113	$1,125,117,566,811
Educational institutions	41,265	4,405,640	$402,395,316,060	$1,283,801,903,113
Business and community development organizations	29,037	470,074	$60,177,060,711	$149,758,309,140
Human service organizations	28,535	2,716,019	$135,392,333,202	$190,495,510,085
Recreation, sports, and social clubs	24,637	620,912	$40,705,505,952	$68,561,895,159
Arts, culture, and humanities nonprofits	22,423	549,962	$43,049,462,080	$148,424,769,654
Hospitals and clinics	20,610	7,509,541	$1,308,365,046,631	$1,676,019,604,088
Housing providers and shelters	19,113	259,550	$29,305,839,221	$96,614,686,505
Unions and employment organizations	12,519	686,909	$39,671,291,151	$49,982,612,705
Public sector, public co-ops, and veteran organizations	11,825	383,387	$106,791,716,658	$824,029,494,910

25 categories

All types of nonprofits

Category	Nonprofits	Employees	Revenues	Assets
Private foundations	76,090	10,384	$126,217,833,347	$912,050,114,577
Trade / professional associations	10,712	97,498	$22,586,846,865	$28,760,794,209
Unions	8,893	186,486	$22,284,859,990	$31,319,411,430
Volunteer fire departments	6,186	25,328	$1,972,592,746	$7,318,382,033
Veteran organizations	5,842	117,068	$2,496,670,412	$8,014,140,057
Scholarship organizations	5,618	15,078	$7,321,074,831	$48,427,281,875
Business and industry associations	5,598	67,500	$13,622,129,428	$21,058,903,349
Retirement homes	5,219	69,746	$6,089,288,419	$23,287,666,349
Fraternities and sororities	4,665	12,624	$2,191,342,418	$4,503,782,698
Social and country clubs	4,227	295,211	$10,717,690,040	$21,286,589,154

327 categories

Directory of nonprofits by category

Arts, culture, and humanities nonprofits (22,423)
- Organizations supporting an arts, culture, or humanities nonprofit (834)
- Organizations supporting multiple arts, culture, or humanities nonprofits (178)
- Arts and culture promoters (3,986)
  - Cultural awareness organizations (1,587)
  - Arts education nonprofits (786)
  - Arts councils (816)
- Media organizations (2,909)
  - Film production organizations (592)
  - Television broadcasters (585)
  - Nonprofit publishers (1,187)
  - Radio broadcasters (185)
- Visual arts nonprofits (739)
- Museums (3,368)
  - Art museums (591)
  - Children's museums (328)
  - History museums (1,433)
  - Natural history museums (87)
  - Science museums (103)
- Performing arts organizations (7,048)
  - Performing arts centers (711)
  - Dance organizations (603)
  - Ballet companies (250)
  - Theaters (2,193)
  - Music festivals and events (1,226)
  - Symphony orchestras (766)
  - Operas (169)
  - Performing arts schools (421)
- Humanities organizations (390)
- Historical societies (2,118)
- Arts services organizations (115)
Educational institutions (41,265)
- School foundations (4,108)
- Organizations supporting multiple schools (731)
- Elementary and secondary schools (13,129)
  - Preschools (2,414)
  - Elementary schools (2,481)
  - High schools (1,610)
  - Special ed schools (1,436)
  - Charter schools (2,968)
- Vocational and technical schools (354)
- Colleges and universities (1,655)
  - Community colleges (183)
  - Colleges (573)
  - Universities (783)
- Professional schools (396)
- Adult education centers (857)
- Libraries (1,548)
- Student service providers (12,275)
  - Scholarship organizations (5,618)
  - Fraternities and sororities (4,665)
  - Alumni associations (924)
- Educational service providers (3,867)
  - Remedial reading organizations (478)
  - PTAs (1,303)
Environmental organizations (6,265)
- Organization supporting an environmental nonprofit (112)
- Organizations supporting multiple environmental nonprofits (67)
- Pollution abatement organizations (545)
  - Recycling programs (125)
- Natural resource conservation nonprofits (3,391)
  - Water and wetland protection organizations (976)
  - Land conservation groups (1,095)
  - Energy conservation organizations (241)
- Botanical and horticultural nonprofits (599)
  - Botanical gardens (170)
  - Garden clubs (280)
- Civic environmental organizations (309)
- Environmental education programs (671)
Animal organizations (5,490)
- Organizations supporting an animal nonprofit (79)
- Organizations supporting multiple animal nonprofits (65)
- Animal shelters (3,899)
- Wildlife protection organizations (812)
  - Endangered species organizations (57)
  - Wildlife sanctuaries (193)
- Veterinarians (33)
- Zoos (127)
- Animal services organizations (126)
Hospitals and clinics (20,610)
- Organizations supporting a health care nonprofit (1,763)
- Organizations supporting multiple health care nonprofits (314)
- Hospitals (4,123)
  - Hospital systems (1,164)
  - General hospitals (2,272)
  - Specialty hospitals (263)
- Outpatient clinics (3,516)
  - Managed care organizations (824)
  - Community clinics (1,954)
- Reproductive health facilities (1,023)
  - Family planning centers (404)
- Rehabilitation centers (647)
- Ancillary health service organizations (2,863)
  - Ambulances and EMTs (2,198)
  - Organ banks (85)
- Public health programs (971)
- Health financing and support organizations (1,571)
  - Health finance organizations (27)
  - Patient services organizations (709)
- Nursing care organizations (2,878)
  - Nursing homes (1,940)
  - Home health care agencies (852)
Mental health organizations (5,732)
- Organizations supporting a mental health nonprofit (76)
- Organizations supporting multiple mental health nonprofits (35)
- Substance abuse organizations (1,544)
- Mental health centers (2,380)
  - Community mental health centers (1,005)
  - Mental health group homes (876)
- Crisis hotlines (387)
- Support groups (438)
- Mental health associations (577)
Disease-focused nonprofits (4,631)
- Organizations supporting a disease-focused nonprofit (114)
- Organizations supporting multiple disease-focused nonprofits (315)
- Genetic disorder organizations (290)
- Cancer organizations (968)
- Organ disease organizations (644)
  - Heart disease organizations (59)
  - Kidney disease organizations (36)
- Nerve, muscle, and bone disease organizations (103)
- Specific disease focused organizations (1,110)
  - HIV / AIDS organizations (558)
  - Alzheimer's organizations (52)
  - Autism organizations (200)
- Medical discipline organizations (846)
Medical research organizations (1,911)
Crime and legal aid organizations (3,912)
- Organizations supporting a crime or legal aid nonprofit (62)
- Organizations supporting multiple crime and legal aid nonprofits (81)
- Crime prevention programs (299)
- Offender rehabilitation programs (419)
- Abuse and exploitation organizations (1,250)
  - Child abuse organizations (986)
- Legal aid organizations (1,296)
Unions and employment organizations (12,519)
- Organizations supporting a union or employment organization (30)
- Employment agencies and job training programs (2,644)
  - Job training programs (1,814)
- Vocational rehabilitation programs (868)
- Unions (8,893)
Food and agriculture nonprofits (5,378)
- Organizations supporting a food or agriculture nonprofit (42)
- Organizations supporting multiple food and agriculture nonprofits (28)
- Agricultural organizations (2,891)
- Food distribution programs (1,975)
  - Food banks (1,132)

Housing providers and shelters (19,113)
- Organizations supporting a housing provider or shelter (153)
- Organizations supporting multiple housing providers and shelters (67)
- Housing development and management companies (13,657)
  - Public housing agencies (3,927)
  - Retirement homes (5,219)
  - Housing rehabilitation programs (930)
- Housing search organizations (98)
- Temporary housing shelters (1,721)
  - Homeless shelters (1,265)
- Homeowner and tenant associations (1,487)
- Home repair programs (1,168)
Public safety organizations (7,732)
- Organizations supporting a public safety organization (62)
- Organizations supporting multiple public safety organizations (79)
- Disaster relief organizations (6,973)
  - Search and rescue organizations (229)
  - Volunteer fire departments (6,186)
- Safety education programs (563)
Recreation, sports, and social clubs (24,637)
- Organizations supporting a recreation, sport, or social club (485)
- Organizations supporting multiple recreation, sports, and social clubs (159)
- Summer camps (1,743)
- Community parks and recreation centers (2,049)
  - Community recreation centers (834)
  - Parks and playgrounds (867)
- Training camps (901)
- Social and country clubs (5,748)
  - Fairs (1,521)
- Amateur sports clubs (11,577)
  - Hunting and fishing clubs (1,971)
  - Baseball leagues (1,672)
  - Soccer leagues (1,900)
  - Football leagues (538)
  - Tennis leagues (780)
  - Swimming clubs (1,178)
  - Hockey, skate, and ski clubs (1,125)
  - Golf courses (765)
- Sports competitions (888)
Youth development organizations (5,097)
- Organizations supporting a youth development nonprofit (99)
- Organizations supporting multiple youth development nonprofits (108)
- Boys and girls clubs (736)
- Adult / child mentoring programs (74)
- Scouting organizations (454)
- Youth development programs (2,947)
  - Youth agriculture organizations (782)
  - Religous youth groups (459)
Human service organizations (28,535)
- Organizations supporting a human services nonprofit (617)
- Organizations supporting multiple human services nonprofits (417)
- Multiservice human service organizations (3,706)
- Youth service organizations (6,365)
  - Adoption agencies (420)
  - Foster care systems (881)
  - Day care centers (3,738)
- Family service centers (2,634)
  - Domestic violence shelters (1,335)
- Personal service organizations (555)
- Emergency assistance programs (1,503)
- Residential care facilities (3,538)
  - Hospices (752)
  - Senior residential care facilities (1,744)
- Specific population service providers (8,792)
  - Senior centers (2,396)
  - Developmentally disabled centers (2,688)
  - Immigrant centers (946)
  - Homeless service providers (998)
International-focused organizations (5,240)
- Organizations supporting an international-focused nonprofit (234)
- Organizations supporting multiple international-focused nonprofits (282)
- Foreign exchanges (541)
- International development organizations (3,232)
  - International relief organizations (1,906)
- World peace organizations (267)
- International rights organizations (114)
  - Refugee organizations (36)
Civil rights and social justice organizations (1,760)
- Civil rights advocacy groups (652)
  - Women's rights groups (50)
  - LGBT rights organizations (110)
- Voter registration groups (179)
- Civil liberties organizations (567)
  - Pro-choice organizations (37)
  - Pro-life organizations (79)
Business and community development organizations (29,037)
- Organizations supporting a business or community development nonprofit (240)
- Organizations supporting multiple business and community development nonprofits (149)
- Community improvement organizations (2,126)
- Economic development organizations (3,576)
  - Urban development organizations (1,696)
  - Visitor and convention bureaus (206)
- Business and industry associations (20,350)
  - Trade / professional associations (10,712)
  - Small business bureaus (852)
  - Real estate associations (3,188)
- Nonprofit management centers (401)
- Community service centers (1,294)
Foundations (82,601)
- Organizations supporting a foundation (593)
- Organizations supporting multiple foundations (389)
- Private foundations (76,090)
- Public foundations (4,870)
  - Community foundations (1,798)
Scientific research centers (1,216)
Social science research centers (354)
- Social science institutes (243)
Public sector, public co-ops, and veteran organizations (11,825)
- Organizations supporting a public co-op or veteran organization (55)
- Organizations supporting multiple public co-ops and veteran organizations (61)
- Public sector improvement organizations (481)
- Veteran organizations (5,842)
- Telephone co-ops (356)
- Credit unions (1,982)
- Public utilities (840)
- Consumer protection organizations (96)
Religious organizations (9,884)
- Organizations supporting a religious nonprofit (564)
- Organizations supporting multiple religious nonprofits (222)
- Christian organizations (4,637)
  - Catholic organizations (470)
- Jewish organizations (1,221)
- Islamic organizations (453)
- Buddhist organizations (508)
- Religious media organizations (799)
Mutual assistance organizations (8,606)
- Organizations supporting a mutual assistance organization (88)
- Insurance companies (766)
- Pension and retirement funds (49)
- Fraternal societies (4,147)
- Cemeteries (2,117)

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