Data / Nonprofits / Connecticut / Guilford
Nonprofits in Guilford, CT: 202 registered with the IRS
202 nonprofits are registered with the IRS in Guilford, CT, 162 of them 501(c)(3) charities; the 61 that report revenue took in $37.7 million. The largest by revenue: Sarah Tuxis Residential Services Inc ($15 million), Alden Charitable Foundation Inc ($5.1 million), Guilford Center for Children Inc ($2.7 million). Most common causes: philanthropy, voluntarism and grantmaking foundations (26), education (19), arts, culture and humanities (18).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Sarah Tuxis Residential Services Inc | Human services | 501(c)(3) | 1991 | $15 million | $7.1 million | 2025-06 |
| Alden Charitable Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2019 | $5.1 million | $6.1 million | 2025-12 |
| Guilford Center for Children Inc | Human services | 501(c)(3) | 1972 | $2.7 million | $3.3 million | 2025-08 |
| Sarah Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1992 | $1.6 million | $5.6 million | 2024-12 |
| New Haven Middlesex Association of Realtors | Community improvement and capacity building | 501(c)(6) | 2016 | $1.1 million | $3.2 million | 2024-12 |
| The Guilford Art Center Inc | Arts, culture and humanities | 501(c)(3) | 1967 | $1.1 million | $3.3 million | 2025-08 |
| Little Blessings Christian Childcare Center Inc | Human services | 501(c)(3) | 2021 | $936,892 | $1.1 million | 2025-08 |
| Fraternal Order of Police | 501(c)(8) | 1952 | $919,129 | $186,694 | 2024-12 | |
| Guilford Foundation Inc | 501(c)(3) | 1975 | $844,006 | $9.3 million | 2025-12 | |
| Guilford A Better Chance Inc | Human services | 501(c)(3) | 1974 | $722,291 | $1.6 million | 2025-06 |
| Sachems Head Yacht Club | 501(c)(7) | 1968 | $703,244 | $748,998 | 2025-01 | |
| Guilford Agricultural Society Inc | 501(c)(5) | 1986 | $535,048 | $1.4 million | 2025-11 | |
| Women and Family Life Center of Guilford Incorporated | Arts, culture and humanities | 501(c)(3) | 1991 | $502,505 | $1.5 million | 2025-06 |
| Guilford Free Public Library Asso Inc | 501(c)(3) | 1946 | $500,803 | $1.2 million | 2025-06 | |
| Community Nursery School Inc | 501(c)(3) | 1993 | $499,607 | $583,735 | 2025-08 | |
| Project Music Heals Us Inc | Arts, culture and humanities | 501(c)(3) | 2017 | $477,966 | $718,689 | 2025-06 |
| Shoreline Sharks Youth Hockey Inc | Recreation and sports | 501(c)(3) | 2010 | $476,516 | $65,552 | 2026-03 |
| Guilford Land Conservation Trust Inc | Environment | 501(c)(3) | 1969 | $466,274 | $11.7 million | 2025-12 |
| Guilford Interfaith Ministries Inc | 501(c)(3) | 1987 | $349,676 | $765,305 | 2025-06 | |
| The Soccer Club of Guilford Inc | Recreation and sports | 501(c)(3) | 1998 | $301,915 | $276,495 | 2025-12 |
| New Haven Sportsmans Club Inc | Recreation and sports | 501(c)(7) | 2000 | $254,808 | $1.4 million | 2025-12 |
| Jastreboff Hearing Disorders Foundation Inc | Medical research | 501(c)(3) | 2006 | $242,804 | $412,398 | 2024-12 |
| Shoreline Chamber of Commerce Guilford Branford Alliance Inc | Community improvement and capacity building | 501(c)(6) | 2012 | $240,691 | $20,137 | 2025-12 |
| Guilford Youth Basketball League Inc | 501(c)(3) | 1987 | $217,341 | $163,666 | 2024-12 | |
| Benincasa Community Inc | Community improvement and capacity building | 501(c)(3) | 2016 | $190,331 | $474,665 | 2026-07 |
| Order Sons of Hermann of the State of Connecticut | 501(c)(8) | 1944 | $178,801 | $2.3 million | 2024-12 | |
| National Rural Letter Carriers Association | 501(c)(5) | 1972 | $177,948 | $197,084 | 2025-06 | |
| West Side Cemetery Association of Guilford | 501(c)(13) | 1945 | $173,572 | $829,986 | 2025-03 | |
| Alder Brook Cemetery Association | 501(c)(13) | 1945 | $170,127 | $1.2 million | 2025-09 | |
| Shoreline Greenway Trail Inc | Recreation and sports | 501(c)(3) | 2003 | $165,358 | $574,331 | 2025-09 |
| Sound Life Connections | Employment | 501(c)(3) | 2023 | $162,868 | $67,345 | 2024-12 |
| Yale Aviation Inc | 501(c)(3) | 1966 | $158,517 | $323,851 | 2024-09 | |
| Garrett Chapel Memorial Trust | 501(c)(3) | 1959 | $150,319 | $1.4 million | 2025-12 | |
| Guilford Community Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1956 | $146,117 | $119,509 | 2025-12 |
| Little League Baseball Inc | 501(c)(3) | 1967 | $139,843 | $56,800 | 2025-09 | |
| Friends of the Guilford Free Library Inc | Education | 501(c)(3) | 2011 | $137,957 | $237,151 | 2025-11 |
| Guilford Keeping Society Inc | 501(c)(3) | 1979 | $134,060 | $784,415 | 2025-09 | |
| Paul Dostie Kare Foundation Inc | Education | 501(c)(3) | 2021 | $124,492 | $125,279 | 2025-12 |
| Guilford Youth Lacrosse Association | Recreation and sports | 501(c)(3) | 2006 | $123,907 | $134,368 | 2023-10 |
| Ethan Miller Song Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $116,410 | $345,436 | 2024-12 |
| Guilford Performing Arts Festival | Arts, culture and humanities | 501(c)(3) | 2018 | $98,519 | $34,341 | 2025-12 |
| The Guilford Preservation Alliance Inc | Arts, culture and humanities | 501(c)(3) | 1983 | $97,132 | $75,644 | 2025-01 |
| Syds Book Shack & Boutique Inc | 501(c)(3) | 2021 | $94,259 | $901 | 2024-12 | |
| Guilford Yacht Club Assoc Inc | 501(c)(7) | 1992 | $92,806 | $66,168 | 2024-12 | |
| Guilford Fund for Education Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $88,214 | $400,581 | 2023-06 |
| Dudley Foundation Inc | Human services | 501(c)(3) | 1995 | $80,083 | $1.2 million | 2024-12 |
| Edward A Norton Post 7666 Veterans of Foreign Wars of United States | Public and societal benefit | 501(c)(19) | 2026 | $77,194 | $198,092 | 2025-12 |
| Guilford Rowing Inc | Recreation and sports | 501(c)(3) | 2007 | $66,775 | $70,541 | 2024-12 |
| Government Finance Officers Association of Connecticut Inc | 501(c)(6) | 1988 | $64,370 | $92,720 | 2025-06 | |
| Autoimmune Registry Inc | Health care | 501(c)(3) | 2016 | $58,563 | $18,687 | 2024-12 |
| Institute of Real Estate Management of the Natl Association of Realtors | 501(c)(6) | 1976 | $57,359 | $15,671 | 2024-12 | |
| Our Community Heros Inc | Community improvement and capacity building | 501(c)(3) | 2022 | $56,001 | $113,332 | 2024-12 |
| Doctors United for Ukraine Co | International, foreign affairs and national security | 501(c)(3) | 2022 | $55,606 | $39,580 | 2025-12 |
| Connecticut Rheumatology Association Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2020 | $50,768 | $63,499 | 2025-12 |
| Connecticut Ccim Chapter Inc | 501(c)(6) | 1997 | $40,234 | $46,487 | 2024-12 | |
| North Guilford Nursery School Inc | Education | 501(c)(3) | 2013 | $29,586 | $26,397 | 2025-07 |
| American Federation of State County & Municipal Employees | 501(c)(5) | 1957 | $24,386 | $65,052 | 2024-12 | |
| Blue Moon Raptors Inc | Animal-related | 501(c)(3) | 2019 | $19,556 | $15,591 | 2025-12 |
| Guilford Day Inc | Mental health and crisis intervention | 501(c)(3) | 2022 | $5,804 | $7,023 | 2025-09 |
| Guilford Police Benevolent Association Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 1997 | $2,193 | $21,932 | 2024-12 |
| A W Cox Pto | Education | 501(c)(3) | 2013 | $0 | $0 | 2026-07 |
| Alani Kailani Blue Lotus White Star Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2011 | $8,366 | 2025-12 | |
| Alex Inc | Civil rights, social action and advocacy | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| All Boobs Matter Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| American Legion | 501(c)(19) | 1946 | $0 | $0 | 2025-12 | |
| American Legion Auxiliary | 501(c)(19) | 1946 | $0 | $0 | 2025-09 | |
| Ancient Free & Accepted Masons of Connecticut | 501(c)(10) | 1943 | $0 | $0 | 2025-11 | |
| Asfralliance | Science and technology | 501(c)(3) | 2026 | |||
| Bailey-Desmet Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $174,501 | 2025-12 | |
| Baldwin Middle School Pto | Human services | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Barbara Pellegrino Family Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $3,246 | 2024-12 | |
| Because It S Right Inc | Community improvement and capacity building | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Bennett Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $1.9 million | 2024-12 | |
| Bussmann Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $988,476 | 2025-06 | |
| Calvin Leete Parent Teacher Organization | Education | 501(c)(3) | 2012 | $0 | $0 | 2025-07 |
| Carol L Sirot Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $2.3 million | 2025-12 | |
| Chabad-Lubavitch of the Shoreline Inc | Religion-related | 501(c)(3) | 2006 | |||
| Chaney Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | $843,655 | 2025-12 | |
| Cindy Lynn Sherwin Memorialfoundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Connecticut Council for Humane | 501(c)(3) | 1977 | $0 | $0 | 2025-12 | |
| Connecticut Drama Association Inc | Arts, culture and humanities | 501(c)(3) | 2000 | $0 | $0 | 2025-10 |
| Connecticut Education Association | 501(c)(5) | 1971 | $0 | $0 | 2025-06 | |
| Connecticut Experiential Learning Center Inc | Education | 501(c)(3) | 2014 | $0 | $0 | 2026-06 |
| Discover Your Path Inc | Human services | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Dominican Nuns of North Guilford Conn Inc | 501(c)(3) | 1946 | ||||
| Dorothy Whitfield Historic Society Inc | 501(c)(3) | 1916 | $0 | $0 | 2025-09 | |
| Driscoll Cares Inc | Education | 501(c)(3) | 2017 | $0 | $480 | 2025-12 |
| Eagle Hose Company No 2 Inc | Public safety, disaster preparedness and relief | 501(c)(4) | 2016 | $0 | $0 | 2024-12 |
| Edelweiss Lodge No 31 Order of Hermann Sons of the State of Conne | Mutual and membership benefit | 501(c)(8) | 2025 | $0 | $0 | 2025-12 |
| Faithbridge Foundation Inc | Housing and shelter | 501(c)(3) | 2026 | |||
| Faulkners Light Brigade Inc | Arts, culture and humanities | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| Federated Garden Clubs of Connecticut Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-12 | |
| Federated Garden Clubs of Connecticut Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-12 | |
| First Baptist Church of Guilford | 501(c)(3) | 1983 | ||||
| Flore Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Focus Pointe Ministries | Religion-related | 501(c)(3) | 2014 | |||
| GHS Music Boosters Inc | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| GHS Swim and Dive | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2023-12 |
| George W Manstan Jr Scholarship Trust | 501(c)(3) | 1981 | $0 | $0 | 2026-05 | |
| Global Health Education Foundation | Health care | 501(c)(3) | 2014 | $1 | 2025-12 | |
| God Stories and More Inc | Religion-related | 501(c)(3) | 2024 | |||
| Greater Education Council of Connecticut | Education | 501(c)(4) | 2025 | $0 | $0 | 2025-12 |
| Green Knights Champions Club | Human services | 501(c)(3) | 2025 | |||
| Guilford Boys Hockey Boosters Inc | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2024-06 |
| Guilford Community Garden Hub Inc | Environment | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Guilford Community Television Inc | 501(c)(3) | 1993 | $280,138 | 2025-06 | ||
| Guilford Cubs | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Guilford Dugout Club | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Guilford Employees Association | Employment | 501(c)(5) | 2003 | $0 | $0 | 2024-12 |
| Guilford HS Girls Lacrosse Inc | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Guilford Lakes Pto | Education | 501(c)(3) | 2017 | $1 | 2024-12 | |
| Guilford Midfielders Inc | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Guilford Rescue Squad Company 5 Incorporated | Public safety, disaster preparedness and relief | 501(c)(4) | 2016 | $0 | $0 | 2025-12 |
| Guilford Rotary Club Memorial Education Fund Incorporated | Education | 501(c)(3) | 2018 | $0 | $0 | 2023-06 |
| Guilford Scholarship Association Incorporated | Education | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Guilford Temple Association Inc | 501(c)(2) | 1974 | $0 | $0 | 2024-12 | |
| Guilford Volunteer Fire Department | Public safety, disaster preparedness and relief | 501(c)(4) | 2016 | $0 | $0 | 2025-12 |
| Guilford Youth Football & Cheer | Recreation and sports | 501(c)(3) | 2026 | |||
| Guilford Youth Mentoring Association Inc | Education | 501(c)(3) | 2006 | $0 | $0 | 2026-07 |
| Hand Help | Health care | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Heart 2 Heart | Human services | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Hopechest CT Inc | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| International Association of Fire Fighters | 501(c)(5) | 1959 | $0 | $0 | 2025-09 | |
| International Knee Dislocation Stud Y Group Inc | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Iteach Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| James Vick Foundation Inc | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Jane D Weiss Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $529,435 | 2024-12 | |
| Joe and Cindy Goldberg Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $2.5 million | 2025-12 | |
| Kellie Duggan Foundation Inc | Education | 501(c)(3) | 2012 | $0 | $0 | 2025-05 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Knownpreneurs Inc | Community improvement and capacity building | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Kobe Henro Inc | Animal-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Lace Up for Kids Inc | Community improvement and capacity building | 501(c)(3) | 2026 | |||
| Larche Connecticut Shoreline | Human services | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| League of Women Voters of Connecticut Inc | 501(c)(4) | 1964 | $0 | $0 | 2025-06 | |
| Little Sprouts Learning Center Inc | Human services | 501(c)(3) | 2024 | |||
| MJ Petretto Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Maple Place Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $1.7 million | 2024-12 | |
| Melissa Jones Elementary School Pto | Education | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Menunkatuck Audubon Society Inc | Animal-related | 501(c)(3) | 1993 | $0 | $0 | 2026-06 |
| Mfund Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $2.2 million | 2025-12 | |
| Middle East Crisis Committee Inc | Civil rights, social action and advocacy | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Musical Art Society of Branford | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Nami Shoreline | 501(c)(3) | 2019 | $0 | $0 | 2025-06 | |
| Nanoroots Foundation Inc | Environment | 501(c)(3) | 2026 | |||
| Netminders | Youth development | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| New England Association of Teachers of English | 501(c)(3) | 1969 | $0 | $0 | 2025-03 | |
| New England Institute Medical Research | Health care | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| New Haven County Farm Bureau Inc | Food, agriculture and nutrition | 501(c)(5) | 2024 | $0 | $0 | 2025-09 |
| New Haven Middlesex Association of Realtors Foundation Inc | Education | 501(c)(3) | 2019 | $47,270 | 2024-12 | |
| North Guilford Volunteer Fire Co Inc | 501(c)(4) | 1992 | $0 | $0 | 2025-12 | |
| Nut Plains Cemetery Association of Guilford | Mutual and membership benefit | 501(c)(13) | 2012 | $0 | $0 | 2025-12 |
| Oasis Global Missions Association Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| One for All Arts Education Fund | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Our Peace Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | |||
| Paul Rand Charitable Trust U Decl | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $5.4 million | 2025-12 | |
| Poetreef | Youth development | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Puerta de Refugio Ad | 501(c)(3) | 1964 | ||||
| Raccoon Crossing Rehabilitation Center Inc | Animal-related | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Reuler-Lewin Foundation | 501(c)(3) | 1946 | $2.7 million | 2025-12 | ||
| Roots 4 Relief | Youth development | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Rotary Club of Guilford CT | Community improvement and capacity building | 501(c)(3) | 2024 | |||
| Shaumpishuh Statue | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Shore Runners Inc | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Shoreline CT Modern Quilt Guild | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Shoreline Outdoor Education Center | 501(c)(3) | 1983 | $0 | $0 | 2023-06 | |
| Sino-American Network Fortherapeutic Radiology and Oncology | Human services | 501(c)(3) | 2018 | $53,345 | 2025-12 | |
| Songstrong Inc | Community improvement and capacity building | 501(c)(4) | 2024 | $0 | $0 | 2025-12 |
| Sons of Hermann of the State of Connecticut | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| Spanish Water Dog Club Incorporated | Animal-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Spirit CT Youth Cheer | Recreation and sports | 501(c)(3) | 2026 | |||
| St Georges Church | 501(c)(3) | 1946 | ||||
| Starship Dance Theater and Company | Arts, culture and humanities | 501(c)(3) | 1997 | $0 | $0 | 2026-02 |
| Swedish Educational Association of Connecticut Inc | Education | 501(c)(3) | 2014 | $0 | $0 | 2026-06 |
| Thallos Inc | Public and societal benefit | 501(c)(3) | 2025 | |||
| Thanksgiving Heroes New Haven | Food, agriculture and nutrition | 501(c)(3) | 2026 | |||
| The Calvanese Therapeutic Learning Foundation Inc | Mental health and crisis intervention | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| The Connecticut Western Massachusetts Chapter of the | Community improvement and capacity building | 501(c)(6) | 2016 | $0 | $0 | 2024-12 |
| The Gerda III Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| The Stoddard Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $1.2 million | 2025-12 | |
| Todays American Catholic Inc | Arts, culture and humanities | 501(c)(3) | 1993 | $0 | $0 | 2025-06 |
| Tops Club Inc | Health care | 501(c)(3) | 2008 | $0 | $0 | 2025-03 |
| Traveling Toys Inc | Education | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Tresemer Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $2 million | 2025-07 | |
| Trout Unlimited | 501(c)(3) | 1972 | $0 | $0 | 2026-03 | |
| True North Owners Association | Recreation and sports | 501(c)(7) | 2009 | $0 | $0 | 2024-12 |
| Tugela Ferry Care and Research Collaboration Inc | International, foreign affairs and national security | 501(c)(3) | 2011 | $0 | $0 | 2026-07 |
| Twin Pines Theatre Company | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2026-02 |
| Uncas Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $485,595 | 2025-12 | |
| Upptik Gives Inc | Employment | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| VFW Auxiliary Department of Connecticut Inc | Public and societal benefit | 501(c)(19) | 2009 | $0 | $0 | 2026-06 |
| Veterans Build Better Businesses | Public and societal benefit | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Vineyard Christian Fellowship of Guilford Inc | Religion-related | 501(c)(3) | 1998 | |||
| Wagner Iovanna Studio Performances Wisp | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Washington Engine Company No 1 Incorporated | 501(c)(4) | 2016 | $0 | $0 | 2025-12 | |
| Water Emergency Training Wet Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Watering Pond Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1994 | $1.4 million | 2025-12 | |
| Wheel Life Inc | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Women in Secondaries LTD | Community improvement and capacity building | 501(c)(6) | 2022 | $0 | $0 | 2025-12 |
| Yvette & Arthur Eder Charitable Foundation Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $12.3 million | 2025-12 | |
| Zen Dog CT Inc | Animal-related | 501(c)(3) | 2019 | $0 | $0 | 2026-01 |
| Green Planet Company | Housing and shelter | 501(c)(3) | 2019 | $-1,596,699 | $1.6 million | 2024-12 |
By cause in Guilford, CT
- Philanthropy, voluntarism and grantmaking foundations 26
- Education 19
- Arts, culture and humanities 18
- Recreation and sports 17
- Human services 13
- Community improvement and capacity building 11
- Animal-related 6
- Health care 5
- Public safety, disaster preparedness and relief 5
- Religion-related 4
- Public and societal benefit 4
- Environment 3
- Employment 3
- Diseases, disorders and medical disciplines 3
- Youth development 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.