Skip to the page

Data / Nonprofits / Maine / Winthrop

Nonprofits in Winthrop, ME: 42 registered with the IRS

42 nonprofits are registered with the IRS in Winthrop, ME, 29 of them 501(c)(3) charities; the 12 that report revenue took in $7.2 million. The largest by revenue: Young Mens Christian Association State of Maine ($1.7 million), The Kennebec Land Trust ($1.7 million), Protectors of Animal Life Society ($1.1 million). Most common causes: religion-related (4), recreation and sports (4), education (4).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Young Mens Christian Association State of MaineHuman services501(c)(3)1942$1.7 million$2.3 million2025-12
The Kennebec Land TrustEnvironment501(c)(3)1993$1.7 million$10.3 million2025-06
Protectors of Animal Life SocietyAnimal-related501(c)(3)1980$1.1 million$2.4 million2025-12
Sexual Assault Crisis and SupportMental health and crisis intervention501(c)(3)1994$1.1 million$1.6 million2025-09
Winthrop Food PantryFood, agriculture and nutrition501(c)(3)2001$566,338$623,0842025-12
Autism Society of MaineHuman services501(c)(3)2013$342,179$373,4482025-06
Technology Association of New England501(c)(6)1991$223,927$389,8832025-10
American Legion501(c)(19)1946$196,475$488,9382026-04
Winthrop Athletic Complex CommitteeRecreation and sports501(c)(3)2024$64,967$58,1472025-12
Winthrop Public Library FoundationEducation501(c)(3)2014$63,932$210,9712025-12
Baldwin Hill Conservation Burial GroundsMutual and membership benefit501(c)(13)2021$56,956$166,2022025-06
Balat SenterRecreation and sports501(c)(3)2009$12,025$88,3252025-12
Alpha Delta Kappa Sorority Inc501(c)(7)1970$0$02026-05
American Legion Auxiliary501(c)(19)1946$0$02025-12
American Society of Radiologic Technologists501(c)(6)1949$0$02026-04
Ancient Free & Accepted Masons of Maine501(c)(10)1941$0$02026-03
Ancient Free & Accepted Masons of Maine501(c)(10)1941$0$02025-12
Annabessacook Lake Improvement AssociationEnvironment501(c)(3)2024$0$02025-12
Azimuth FoundationMental health and crisis intervention501(c)(3)2026
Central Maine Water CouncilCommunity improvement and capacity building501(c)(6)2021$0$02025-12
Coda Chorus C/o Arline Andrews Lovejoy501(c)(3)1990$0$02025-12
Disabled American Veterans501(c)(4)1942$0$02026-06
Friends of the Charles M Bailey Public LibraryEducation501(c)(3)2016$0$02025-12
Lakers Track Club and TimingRecreation and sports501(c)(3)2023$0$02025-12
Maine High Adventure Staff AssociationYouth development501(c)(3)2014$0$02025-12
Maine Jci Senate IncEducation501(c)(3)2018$0$02025-06
Maine Unitarian Universalist State Advocacy NetworkReligion-related501(c)(3)2025
Maranacook Lake Association IncEnvironment501(c)(3)2014$0$02025-12
Modern Woodmen of America501(c)(8)1961$0$02025-12
Patrons of Husbandry Maine State Grange501(c)(8)1972$0$02025-09
Payson Tucker Hose Company No 1 IncPublic safety, disaster preparedness and relief501(c)(3)2025
Rambler Youth FootballRecreation and sports501(c)(3)2019$0$02025-12
Redneck Outdoor MinistriesReligion-related501(c)(3)2017$0$02024-12
Tres Dias of MaineReligion-related501(c)(3)2006$0$02025-09
Victory Baptist Church501(c)(3)1977
Winthrop Area Chamber of CommerceCommunity improvement and capacity building501(c)(6)2004$0$02025-12
Winthrop Center Friends ChurchReligion-related501(c)(3)1943
Winthrop EducationPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1995$0$02026-06
Winthrop Hot Meal KitchenFood, agriculture and nutrition501(c)(3)2011$0$02025-06
Winthrop Maine Historical SocietyArts, culture and humanities501(c)(3)2013$0$02025-12
Winthrop Sports Boosters IncEducation501(c)(3)2022$0$02026-06
Winthrop United Methodist Church501(c)(3)19742013-12

By cause in Winthrop, ME

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.