Data / Nonprofits / Massachusetts / Wellesley
Nonprofits in Wellesley, MA: 250 registered with the IRS
250 nonprofits are registered with the IRS in Wellesley, MA, 225 of them 501(c)(3) charities; the 115 that report revenue took in $657.4 million. The largest by revenue: Wellesley College ($486.7 million), Dana Hall Schools ($40.9 million), Wellesley Country Club ($21.9 million). Most common causes: education (42), philanthropy, voluntarism and grantmaking foundations (40), arts, culture and humanities (20).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Wellesley College | Education | 501(c)(3) | 1946 | $486.7 million | $4.21 billion | 2025-06 |
| Dana Hall Schools | Education | 501(c)(3) | 1939 | $40.9 million | $208.3 million | 2025-06 |
| Wellesley Country Club | 501(c)(7) | 1938 | $21.9 million | $58.3 million | 2024-12 | |
| Tenacre Country Day School Corporation | Education | 501(c)(3) | 1972 | $13.8 million | $68.6 million | 2025-06 |
| Givinga Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $13.1 million | $2.9 million | 2024-12 |
| Avedisian 575 Foundation Inc | Education | 501(c)(3) | 2021 | $13.1 million | $6.5 million | 2024-12 |
| Eli and Bessie Cohen Camps | Recreation and sports | 501(c)(3) | 1958 | $7.8 million | $9.6 million | 2025-09 |
| Marillac Residence Inc | 501(c)(3) | 1946 | $6.1 million | $5.7 million | 2024-12 | |
| Haymakers for Hope Inc | Medical research | 501(c)(3) | 2012 | $4.6 million | $548,136 | 2025-06 |
| Eli and Bessie Cohen Camps of Massachusetts Inc | 501(c)(3) | 1942 | $4.4 million | $6.8 million | 2025-09 | |
| Autism Services Association Inc | 501(c)(3) | 1972 | $4.2 million | $6.1 million | 2025-06 | |
| Massachusetts Horticultural Society | Environment | 501(c)(3) | 1943 | $3.2 million | $6.8 million | 2025-09 |
| St Helenas House Inc | 501(c)(3) | 1982 | $3 million | $7.2 million | 2025-06 | |
| Associated General Contractors of Massachusetts Inc | 501(c)(6) | 1942 | $2.6 million | $2.2 million | 2024-12 | |
| We Are Alx Inc | Community improvement and capacity building | 501(c)(3) | 2019 | $2.4 million | $421,418 | 2025-12 |
| Wellesley Students Aid Society Inc | Education | 501(c)(3) | 1941 | $1.8 million | $53.4 million | 2025-06 |
| Human Relations Service Inc | Mental health and crisis intervention | 501(c)(3) | 1955 | $1.6 million | $318,974 | 2025-06 |
| Read To A Child Inc | Education | 501(c)(3) | 2006 | $1.5 million | $1 million | 2025-09 |
| Saint Cecilias House Inc | Housing and shelter | 501(c)(3) | 1993 | $1.5 million | $4.7 million | 2025-06 |
| Wellesley Montessori School Inc | Education | 501(c)(3) | 1987 | $1.3 million | $771,634 | 2025-06 |
| Wellesley Theatre Project Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $1.3 million | $1.3 million | 2024-12 |
| Wellesley Historical Society Inc | Arts, culture and humanities | 501(c)(3) | 1966 | $1.3 million | $2.7 million | 2025-06 |
| Wellesley Free Library Foundation Inc | Education | 501(c)(3) | 2026 | $1.1 million | $7.8 million | 2025-06 |
| Mattapan Center for Life Inc | Housing and shelter | 501(c)(3) | 1994 | $999,519 | $2 million | 2025-09 |
| Wellesley Youth Hockey Association Inc | Recreation and sports | 501(c)(3) | 1996 | $997,850 | $583,354 | 2025-05 |
| St Marys Apartments Inc | Housing and shelter | 501(c)(3) | 1999 | $992,073 | $4.1 million | 2025-06 |
| Community Associations Institute | 501(c)(6) | 1979 | $908,944 | $1.2 million | 2024-12 | |
| Geneva Avenue Elderly Housing Inc | Housing and shelter | 501(c)(3) | 2000 | $749,520 | $4.3 million | 2025-06 |
| Wellesley Media Corporation | Education | 501(c)(3) | 2003 | $689,720 | $3.5 million | 2025-06 |
| Massachusetts Teachers Association | 501(c)(5) | 1972 | $611,526 | $112,006 | 2025-06 | |
| Massachusetts Psychological Inc | 501(c)(6) | 1969 | $608,983 | $816,897 | 2025-02 | |
| Calling All Crows | Civil rights, social action and advocacy | 501(c)(3) | 2009 | $578,915 | $238,474 | 2025-12 |
| The Laboratory Safety Institute Inc | Education | 501(c)(3) | 1995 | $495,754 | $51,361 | 2024-12 |
| Moving Health Inc | Human services | 501(c)(3) | 2018 | $468,744 | $338,640 | 2025-12 |
| Wellesley Youth Baseball & Softball Inc | Recreation and sports | 501(c)(3) | 2001 | $417,137 | $344,549 | 2024-12 |
| Maugus Club | 501(c)(7) | 1934 | $385,786 | $1.2 million | 2025-12 | |
| St Theresa House Inc | Housing and shelter | 501(c)(3) | 2004 | $367,346 | $2.7 million | 2025-09 |
| Wellesley Youth Basketball Association Inc | Recreation and sports | 501(c)(3) | 2011 | $366,128 | $159,212 | 2025-06 |
| The Wellesley Hills Junior Womans Club Inc | Human services | 501(c)(3) | 2010 | $364,955 | $819,263 | 2025-06 |
| Wellesley Friendly Aid Association | 501(c)(3) | 1974 | $347,945 | $801,025 | 2024-12 | |
| Wellesley Scholarship Foundation Inc | 501(c)(3) | 1953 | $338,694 | $9.2 million | 2025-06 | |
| Alpha Theta Chapter of Sigma Chi Inc | 501(c)(7) | 1982 | $335,918 | $2.8 million | 2025-08 | |
| Robert McBride House Inc | Housing and shelter | 501(c)(3) | 1996 | $324,342 | $1.4 million | 2025-06 |
| Wellesley Food Pantry Inc | Food, agriculture and nutrition | 501(c)(3) | 2011 | $276,773 | $280,313 | 2025-01 |
| Camp Owners and Directors Assoc Inc | Community improvement and capacity building | 501(c)(6) | 2013 | $262,895 | $24,936 | 2025-08 |
| Cambridge Artificial Intelligencer Inc | Human services | 501(c)(3) | 2024 | $220,002 | $224,631 | 2025-12 |
| New England Association of Amusement Parks & Attractions Inc | Community improvement and capacity building | 501(c)(6) | 2005 | $216,411 | $133,358 | 2025-12 |
| Projectme Inc | Mental health and crisis intervention | 501(c)(3) | 2020 | $206,240 | $9,736 | 2025-12 |
| Wellesley Girls Lacrosse | Recreation and sports | 501(c)(3) | 2021 | $191,473 | $217,065 | 2025-06 |
| Wellesley Abc Program Inc | Education | 501(c)(3) | 1972 | $183,040 | $1.5 million | 2025-06 |
| Institute of Classical Architecture and Art Inc | 501(c)(3) | 1997 | $179,769 | $261,882 | 2025-12 | |
| Wellesley Mothers Forum Inc | Community improvement and capacity building | 501(c)(7) | 2001 | $173,399 | $91,634 | 2025-06 |
| Armenian American Medical Assoc Inc | Health care | 501(c)(3) | 2019 | $173,085 | $278,047 | 2024-12 |
| Community Investors | Education | 501(c)(3) | 2015 | $172,361 | $48,296 | 2025-12 |
| Jane Does Well Org Corp | Human services | 501(c)(3) | 2018 | $168,381 | $80,835 | 2025-12 |
| Newton Metrowest Basketball Inc | Recreation and sports | 501(c)(3) | 2017 | $167,855 | $87,850 | 2025-12 |
| Navy League of the United States Massachusetts Bay Council | 501(c)(3) | 1983 | $165,195 | $177,561 | 2025-12 | |
| Schofield School Pto | Education | 501(c)(3) | 1994 | $164,837 | $231,248 | 2025-06 |
| Brookline Platform Tennis Club Inc | Recreation and sports | 501(c)(7) | 2019 | $163,017 | $472,604 | 2025-06 |
| Wellesley Education Foundation Inc | 501(c)(3) | 1986 | $158,846 | $2.9 million | 2025-06 | |
| Wellesley Youth Football Inc | Recreation and sports | 501(c)(3) | 2011 | $154,908 | $212,905 | 2025-12 |
| Sullivan Rep Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $151,574 | $39,999 | 2024-12 |
| Carter Foundation for Neurologic Research Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2021 | $150,000 | $12,007 | 2025-12 |
| Project Sixlove Corp | Community improvement and capacity building | 501(c)(3) | 2023 | $143,218 | $90,602 | 2025-12 |
| Wellesley Youth Field Hockey Club LTD | Recreation and sports | 501(c)(3) | 2015 | $134,091 | $267,270 | 2025-12 |
| Hunnewell School Parent-Teacher Organization Inc | Education | 501(c)(3) | 1995 | $121,564 | $144,391 | 2025-06 |
| Independent Maintenance and Service Employees Union of America | 501(c)(5) | 1959 | $117,710 | $1.5 million | 2025-06 | |
| Friends of Wellesley Metco Inc | Education | 501(c)(3) | 2007 | $112,348 | $446,187 | 2025-09 |
| Wellesley Swimming Association Inc | Recreation and sports | 501(c)(3) | 1991 | $111,151 | $85,019 | 2025-08 |
| Fiske School Pto | Education | 501(c)(3) | 2017 | $103,226 | $153,649 | 2025-06 |
| Bill Belichick Foundation | Youth development | 501(c)(3) | 2014 | $100,019 | $1.1 million | 2025-12 |
| Wellesley Symphony Orchestra Inc | 501(c)(3) | 1985 | $98,804 | $312,875 | 2025-06 | |
| Wellesley Turkey Trot Foundation Inc | Public and societal benefit | 501(c)(3) | 2018 | $98,741 | $113,162 | 2024-12 |
| Hardy Parent Teachers Organization | Education | 501(c)(3) | 1994 | $98,321 | $106,463 | 2025-06 |
| High Spirit East Community Inc | Human services | 501(c)(3) | 2024 | $93,868 | $163,686 | 2025-12 |
| Bates School Parent-Teacher Organization | Education | 501(c)(3) | 1994 | $86,628 | $201,784 | 2025-06 |
| The Margaret Fitzgerald Grogan Petersmeyer Foundation Inc | 501(c)(3) | 1986 | $83,291 | $1.6 million | 2024-12 | |
| Friends of the Wellesley Free Libraries Inc | Education | 501(c)(3) | 1982 | $82,964 | $196,597 | 2026-05 |
| Wellesley High School Gridiron Club Inc | Recreation and sports | 501(c)(3) | 1994 | $81,388 | $6,796 | 2024-06 |
| Friends of the Wellesley Council On Aging | Human services | 501(c)(3) | 2014 | $80,021 | $107,898 | 2026-06 |
| Wellesley Cotillion | Recreation and sports | 501(c)(3) | 2016 | $79,050 | $20,722 | 2025-05 |
| International Association of Fire Fighters | 501(c)(5) | 1970 | $73,871 | $63,680 | 2025-12 | |
| MS Center of Boston A Nonprofit Corporation | Diseases, disorders and medical disciplines | 501(c)(3) | 2012 | $72,188 | $371,805 | 2025-12 |
| Winsor Music Incorporated | Arts, culture and humanities | 501(c)(3) | 1997 | $69,725 | $139,600 | 2025-06 |
| Wellesley Middle School Pto | Education | 501(c)(3) | 2004 | $68,556 | $65,695 | 2025-07 |
| End MS Now Foundation Inc | Health care | 501(c)(3) | 2021 | $65,905 | $62,515 | 2024-12 |
| Wellesley Neighbors Inc | Health care | 501(c)(3) | 2009 | $61,200 | $83,279 | 2025-06 |
| Sprague School Parent Teacher Organization Inc | Education | 501(c)(3) | 2002 | $60,101 | $94,023 | 2025-06 |
| Friends of Wellesley Veterans Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $59,432 | $17,803 | 2024-12 |
| Rotary Club of Wellesley Foundation Inc | Public and societal benefit | 501(c)(3) | 2014 | $58,269 | $99,406 | 2025-06 |
| Wellesley Service League Inc | Human services | 501(c)(3) | 1997 | $55,849 | $59,019 | 2025-06 |
| National Charity League Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $54,536 | $129,544 | 2025-05 |
| Wellesley Club | 501(c)(4) | 1984 | $54,355 | $24,321 | 2025-06 | |
| St Marys Plaza Inc | 501(c)(3) | 1981 | $50,128 | $4.3 million | 2025-09 | |
| Aurelias Garden Inc | Food, agriculture and nutrition | 501(c)(3) | 2020 | $46,947 | $51,385 | 2025-09 |
| Wellesley High School Parent Teacher Student Organization | Education | 501(c)(3) | 2004 | $46,372 | $61,578 | 2025-07 |
| Art Wellesley Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $40,584 | $32,010 | 2024-12 |
| Kiwanis Club of Welles Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $37,440 | $36,832 | 2025-09 |
| Wellesley Stars Inc | Human services | 501(c)(3) | 2019 | $37,290 | $51,889 | 2024-12 |
| Rotary International | 501(c)(4) | 1942 | $33,822 | $35,714 | 2026-06 | |
| Henry Hacker Scholarship Fund Inc | Youth development | 501(c)(3) | 2001 | $30,792 | $27,387 | 2025-12 |
| Friends of Fumbelo Inc | International, foreign affairs and national security | 501(c)(3) | 2015 | $25,925 | $42,614 | 2025-06 |
| Sleeping Children Around the World - USA Inc | Human services | 501(c)(3) | 2010 | $23,453 | $46,966 | 2026-02 |
| Rice Street Lax Inc | Youth development | 501(c)(3) | 2021 | $21,937 | $68 | 2024-12 |
| Off the Rocks Animal Rescue Inc | Animal-related | 501(c)(3) | 2018 | $20,044 | $91,925 | 2025-12 |
| New England Foundation for Psychoanalysis Inc | Arts, culture and humanities | 501(c)(3) | 1995 | $15,894 | $240,711 | 2025-12 |
| Boston Authors Club Inc | Arts, culture and humanities | 501(c)(3) | 2017 | $15,417 | $155,885 | 2024-12 |
| Wellesley Society of Artists Inc | Arts, culture and humanities | 501(c)(3) | 2016 | $11,744 | $17,969 | 2025-12 |
| Fox Hill Garden Club Inc | Environment | 501(c)(3) | 1988 | $9,621 | $61,818 | 2025-06 |
| Goldberg Charitable Corporation To Improve the Food System Inc | Food, agriculture and nutrition | 501(c)(3) | 2013 | $5,930 | $127,365 | 2024-12 |
| Senior Living Inc | 501(c)(3) | 1960 | $3,835 | $1.3 million | 2025-12 | |
| Arise Arjuna Foundation | Arts, culture and humanities | 501(c)(3) | 2007 | $1,001 | $2,381 | 2024-12 |
| Bostongives Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $190 | $778 | 2025-12 |
| CCNS Inc | Education | 501(c)(3) | 2018 | $123 | $283,228 | 2025-06 |
| For Our Communities | Housing and shelter | 501(c)(3) | 2012 | $91 | $33,862 | 2025-09 |
| A Path in the Woods Foundation Inc | Human services | 501(c)(3) | 2010 | $33,799 | 2025-06 | |
| Academic Ticket Initiative Inc | Education | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Alma J Goldman Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $226,247 | 2025-12 | |
| Baker Family Trust | 501(c)(3) | 1990 | $4.3 million | 2024-12 | ||
| Bogle Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $19.7 million | 2025-12 | |
| Boston Chinese Tennis Association Inc | Recreation and sports | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Boston Summer Opera | Arts, culture and humanities | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Bradley Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $474,740 | 2025-12 | |
| Bright Moon Foundation | 501(c)(3) | 2020 | $0 | $0 | 2025-12 | |
| Cans for Charity Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $0 | $0 | 2024-06 |
| Carl & Ruth Shapiro Fam Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1966 | $26.5 million | 2025-12 | |
| Center of Cancer Systems Biology Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2018 | $0 | $0 | 2025-06 |
| Cgat Research Foundation Inc | Medical research | 501(c)(3) | 2012 | $12,095 | 2025-12 | |
| Chabad at Babson | Religion-related | 501(c)(3) | 2026 | |||
| Compatriot Academy Corp | Education | 501(c)(3) | 2025 | |||
| Constance A and George L Noble Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $1,427 | 2024-12 | |
| Cra Dragons Swim Booster Club Inc | Recreation and sports | 501(c)(3) | 2011 | $0 | $0 | 2025-08 |
| Crozier Family Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $808,307 | 2025-12 | |
| Danae and John Foley Foundation | Religion-related | 501(c)(3) | 2018 | $4.9 million | 2025-12 | |
| Ding Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $351,033 | 2024-12 | |
| Donovan Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $86,405 | 2025-12 | |
| Dowdall Family Charitable Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $814,209 | 2025-12 | |
| Eaglemere Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $13.5 million | 2024-12 | |
| Ellen S Jaffe Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $1.4 million | 2025-12 | |
| Elmwood Chapel | 501(c)(3) | 1972 | ||||
| Equip Services Inc | Religion-related | 501(c)(3) | 2022 | |||
| Equityseen | Education | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Erik & Dorrit Pfau Charitable Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $4.5 million | 2025-12 | |
| Evelyn & Louis Grossman Fund Inc | 501(c)(3) | 1962 | $91,031 | 2025-12 | ||
| Fair Councils Inc | Science and technology | 501(c)(3) | 2025 | $0 | $0 | 2025-09 |
| Food As A Right | 501(c)(3) | 2021 | $0 | $0 | 2024-12 | |
| Free Energy Education International | Human services | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Friends of Action Ninjas Inc | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2026-03 |
| Friends of Roger Babson Inc | Human services | 501(c)(3) | 2024 | |||
| Friends of Wellesley Sepac | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Full Circle Friends Inc | Human services | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Gail Salinsky Memorial Trust | Education | 501(c)(3) | 2012 | $44,061 | 2024-12 | |
| Garden Club Federation of Massachusetts Inc | 501(c)(3) | 2004 | $0 | $0 | 2025-06 | |
| Garden Club Federation of Massachusetts Inc | Environment | 501(c)(3) | 2004 | $0 | $0 | 2025-06 |
| Gardeners Guild | 501(c)(3) | 1985 | $0 | $0 | 2025-06 | |
| Gertrude W & Edward M Swartz Charitable Trust | 501(c)(3) | 1954 | $423,576 | 2025-11 | ||
| Gess Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $3 million | 2024-12 | |
| Guthrie Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $123,687 | 2024-12 | |
| Hand-In-Hand Rural Education Service | International, foreign affairs and national security | 501(c)(3) | 2014 | $0 | $0 | 2024-02 |
| Hannah Storm Randolph Memorial Fund Inc | Education | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Healing Bond Foundation | Animal-related | 501(c)(3) | 2026 | |||
| Hope for Refugees Inc | International, foreign affairs and national security | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Ican Fly Inc | Education | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Institute of Politics Alumni Association | Education | 501(c)(3) | 2024 | |||
| Jacks Magic Bean Fund | Medical research | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| Jacob Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $902,089 | 2024-12 | |
| James Dean Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $2 million | 2025-12 | |
| Janet Turner Hubbard Memorial FDN | 501(c)(3) | 1988 | $184,798 | 2025-12 | ||
| Japanese American Citizens League | 501(c)(3) | 1964 | $0 | $0 | 2025-12 | |
| Jecrois Pierre Louis Foundation Inc | Education | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Jerome A Schiff Charitable Trust | Human services | 501(c)(3) | 1996 | $987,222 | 2025-12 | |
| Jireh Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $17 million | 2025-12 | |
| Jobson Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $39.2 million | 2025-12 | |
| Kahn Family Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $1.8 million | 2025-12 | |
| Kelly Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $412,010 | 2025-09 | |
| Kickstart Stem Inc | Education | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Kids Backing Kids | Human services | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Knowledge-Freedom Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1996 | $1.6 million | 2025-12 | |
| Lawry Family Foundation | 501(c)(3) | 2014 | $7.4 million | 2024-12 | ||
| League of Women Voters of Massachusetts | 501(c)(4) | 1969 | $0 | $0 | 2025-06 | |
| Levy Charitable Foundation Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $255,066 | 2025-12 | |
| Linda S Waintrup Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $1.8 million | 2024-12 | |
| Magicians Assistant | Arts, culture and humanities | 501(c)(3) | 2025 | $24,418 | 2024-12 | |
| Mannheim Family Foundation Inc | Education | 501(c)(3) | 2019 | $12.9 million | 2024-12 | |
| Maple Leaf Foundation Inc | International, foreign affairs and national security | 501(c)(3) | 2018 | $1.8 million | 2025-06 | |
| Max & Anne Goldberg Foundation | 501(c)(3) | 1962 | $425,554 | 2025-12 | ||
| Mending Minds Foundation | Health care | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Mughug Project | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Nancy Lurie Marks Family Foundation | 501(c)(3) | 1977 | $119.9 million | 2025-10 | ||
| Natalie Gubbay Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $388,716 | 2025-12 | |
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1949 | $0 | $0 | 2025-12 | |
| New England Council of Latin American Studies Inc | Education | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| New Vision Impact Foundation Inc | Community improvement and capacity building | 501(c)(3) | 2025 | |||
| New World Chorale Inc | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Newcomers Club of Wellesley Massachusetts | 501(c)(7) | 1989 | $0 | $0 | 2026-06 | |
| No Better Love Than Food | Food, agriculture and nutrition | 501(c)(3) | 2023 | $0 | $0 | 2025-11 |
| Olpc India Foundation | Education | 501(c)(3) | 2025 | |||
| Phi Delta Theta Massachusetts Eta | 501(c)(7) | 1940 | $0 | $0 | 2023-12 | |
| Plain Jaine Foundation Inc | Youth development | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Plast Ukrainian Scouting Organization USA | 501(c)(3) | 1967 | ||||
| Playing It Back Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Population Research Foundation Inc | 501(c)(3) | 1976 | $32 | 2023-12 | ||
| Preschools at the Wellesley Public Schools Pto | 501(c)(3) | 2003 | $0 | $0 | 2025-06 | |
| Progress for Informatics & Energy Foundation Inc | Education | 501(c)(3) | 2023 | $3.3 million | 2024-12 | |
| Psi Chi the International Honor Society in Psychology | 501(c)(3) | 1957 | $0 | $0 | 2026-06 | |
| Quinobequin Quilters | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Reindeers Forever Gift Corporation | Human services | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Rhonda S Zinner Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $2.7 million | 2025-12 | |
| Rowan T O Riley Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $5.2 million | 2025-12 | |
| Safecast Global Inc | Environment | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Sandman Fam Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $212,338 | 2025-12 | |
| Seed Institute Inc | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-05 |
| Selmadanse Inc | Arts, culture and humanities | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Shivonne Inc | Human services | 501(c)(3) | 2026 | |||
| Startup Leadership Program Inc | Community improvement and capacity building | 501(c)(6) | 2012 | $0 | $0 | 2024-12 |
| Studentstarsorg | Education | 501(c)(3) | 2006 | $0 | $1,100 | 2025-12 |
| Summit Partnership Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Sunrise Strong | Public safety, disaster preparedness and relief | 501(c)(3) | 2026 | |||
| Sustainable Wellesley Inc | Environment | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| TBB Scholarships Inc | 501(c)(3) | 1964 | $1.6 million | 2024-12 | ||
| Tau Beta Beta Inc | 501(c)(7) | 1964 | $0 | $0 | 2024-12 | |
| Temple Beth Elohim | 501(c)(3) | 1959 | 2025-06 | |||
| The George Seymour Bissell Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1995 | $12.8 million | 2025-12 | |
| The Lawrence and Lillian Solomon Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | $6.9 million | 2024-12 | |
| The Tommy Fuss Fund | Mental health and crisis intervention | 501(c)(3) | 2007 | $44.3 million | 2025-12 | |
| Thursday Morning Mens Breakfast Inc | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Tiku Charitable Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $358,500 | 2025-12 | |
| University of Massachusetts | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-06 |
| Wellesley Boat Club | Recreation and sports | 501(c)(7) | 2021 | $0 | $0 | 2024-12 |
| Wellesley Chinese American Network Inc | Arts, culture and humanities | 501(c)(3) | 2016 | $0 | $0 | 2025-06 |
| Wellesley Community Center Inc | Community improvement and capacity building | 501(c)(3) | 1972 | $0 | $0 | 2025-12 |
| Wellesley Free Library Staff Association | Employment | 501(c)(5) | 2002 | $0 | $0 | 2025-12 |
| Wellesley Friends Meeting Inc | Religion-related | 501(c)(3) | 1943 | |||
| Wellesley High School Class of 2025 | Education | 501(c)(3) | 2026 | |||
| Wellesley Kiwanis Memorial Fund | Education | 501(c)(3) | 2012 | $723,179 | 2025-09 | |
| Wellesley Parents of Performing Students | Education | 501(c)(3) | 2010 | $0 | $0 | 2025-06 |
| Wellesley Police Relief Association | Mutual and membership benefit | 501(c)(9) | 2020 | $0 | $0 | 2025-12 |
| Wellesley Police Superior Officers Association | Employment | 501(c)(5) | 2007 | $0 | $0 | 2025-12 |
| Wellesley Post No 72 the American Legion Inc | Public and societal benefit | 501(c)(19) | 2025 | $0 | $0 | 2025-12 |
| Wellesley Raiders Girls Lacrosse Booster Club | Education | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Wellesley Robotics Team Inc | Youth development | 501(c)(3) | 2020 | $0 | $0 | 2025-06 |
| Wellesley Sailing Club Inc | Recreation and sports | 501(c)(3) | 2011 | $0 | $0 | 2026-06 |
| Wellesley South Asian Association | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| William and Leslie Lee Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $1.5 million | 2024-12 | |
| World of Wellesley Inc | Arts, culture and humanities | 501(c)(3) | 1997 | $0 | $0 | 2025-06 |
| Wurtman Foundation Inc | Religion-related | 501(c)(3) | 2001 | $1.8 million | 2025-06 | |
| Xmuaa-Ne Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Zabriskie Family Foundation Inc | 501(c)(3) | 1985 | $75,590 | 2025-11 | ||
| Zeta Alpha Alumnae Association | 501(c)(3) | 1968 | $0 | $0 | 2025-05 | |
| Ziyao Liu Charitable Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $645,925 | 2025-12 |
By cause in Wellesley, MA
- Education 42
- Philanthropy, voluntarism and grantmaking foundations 40
- Arts, culture and humanities 20
- Recreation and sports 17
- Human services 17
- Community improvement and capacity building 8
- Housing and shelter 7
- Youth development 6
- Religion-related 6
- Environment 5
- International, foreign affairs and national security 4
- Health care 4
- Food, agriculture and nutrition 4
- Public and societal benefit 3
- Mental health and crisis intervention 3
- Medical research 3
- Diseases, disorders and medical disciplines 3
Nonprofits in every city of the state
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.