Data / Nonprofits / Maine / Orono
Nonprofits in Orono, ME: 90 registered with the IRS
90 nonprofits are registered with the IRS in Orono, ME, 68 of them 501(c)(3) charities; the 40 that report revenue took in $99 million. The largest by revenue: University of Maine Foundation ($60.4 million), Iam-3rivers Inc ($9.7 million), Four Directions Development Corporation ($7 million). Most common causes: education (14), recreation and sports (6), human services (5).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| University of Maine Foundation | Education | 501(c)(3) | 1940 | $60.4 million | $458.3 million | 2024-12 |
| Iam-3rivers Inc | Human services | 501(c)(3) | 1978 | $9.7 million | $8.1 million | 2024-06 |
| Four Directions Development Corporation | Housing and shelter | 501(c)(3) | 2002 | $7 million | $19.9 million | 2025-09 |
| Housing Foundation | 501(c)(3) | 1979 | $3.2 million | $4.1 million | 2025-09 | |
| Wabanaki Commission On Land and Stewardship | Arts, culture and humanities | 501(c)(3) | 2023 | $2.5 million | $2.4 million | 2024-12 |
| Housing Foundation Phase 1 & 2 | 501(c)(3) | 1969 | $2.3 million | $6.2 million | 2025-09 | |
| University of Maine Pulp and Paper Foundation | Community improvement and capacity building | 501(c)(3) | 1954 | $2.1 million | $33.6 million | 2024-12 |
| 4-H Clubs & Affiliated 4-H Organizations | Education | 501(c)(3) | 1965 | $1.8 million | $13.9 million | 2025-12 |
| General Alumni Association of the University of Maine | Education | 501(c)(3) | 1996 | $1.4 million | $5.5 million | 2025-06 |
| Maine Infonet Collaborative | Human services | 501(c)(3) | 2012 | $1.3 million | $940,509 | 2025-06 |
| Wild Blueberry Association of North America | 501(c)(5) | 1961 | $865,042 | $1.3 million | 2025-12 | |
| University of Maine Student Government Inc | 501(c)(3) | 1976 | $852,811 | $511,915 | 2025-06 | |
| Municipal Wastehub | Environment | 501(c)(3) | 1992 | $716,578 | $278,803 | 2024-12 |
| The Housing Foundation | Housing and shelter | 501(c)(3) | 1979 | $665,694 | $2.5 million | 2025-06 |
| Orono Public Library Foundation | Education | 501(c)(3) | 2004 | $573,614 | $917,853 | 2025-12 |
| Orono Land Trust Inc | 501(c)(3) | 1986 | $513,520 | $1.4 million | 2024-12 | |
| Housing Foundation | 501(c)(3) | 1979 | $408,799 | $1.3 million | 2025-06 | |
| Wabanaki Womens Coalition | Human services | 501(c)(3) | 2014 | $401,898 | $185,818 | 2025-09 |
| Housing Foundation | Housing and shelter | 501(c)(3) | 1979 | $313,964 | $1.1 million | 2025-06 |
| Phi Gamma Delta | Human services | 501(c)(7) | 2018 | $259,443 | $10,759 | 2025-06 |
| Upstart Maine Inc | Community improvement and capacity building | 501(c)(3) | 2016 | $235,581 | $289,730 | 2024-12 |
| Hirundo Wildlife Trust | Animal-related | 501(c)(3) | 1979 | $194,517 | $1.4 million | 2025-12 |
| Sigma Phi Epsion Alumni Corp Maine Chapter | 501(c)(7) | 1941 | $169,454 | $897,767 | 2025-09 | |
| Animal Orphanage | Animal-related | 501(c)(3) | 1992 | $166,885 | $631,451 | 2023-12 |
| The Graduate Student Government of the University of Maine | Education | 501(c)(3) | 1976 | $138,557 | $522,169 | 2025-06 |
| Orono Health Association | 501(c)(3) | 1972 | $123,126 | $121,674 | 2026-04 | |
| Phi Eta Kappa | Recreation and sports | 501(c)(7) | 2010 | $121,298 | $239,867 | 2025-08 |
| American Legion | 501(c)(19) | 1946 | $118,906 | $435,248 | 2025-12 | |
| Life Education & Development Inc | Youth development | 501(c)(3) | 2010 | $113,004 | $42,796 | 2025-12 |
| University Flying Club Inc | Recreation and sports | 501(c)(7) | 2023 | $99,990 | $132,235 | 2025-12 |
| Hermon Skeet Club | 501(c)(7) | 1969 | $81,369 | $373,496 | 2026-03 | |
| American Nurses Association-Maine | Education | 501(c)(3) | 2002 | $71,709 | $148,144 | 2025-12 |
| Coyote Institute | Health care | 501(c)(3) | 2010 | $67,768 | $5,622 | 2024-12 |
| Housing Foundation | 501(c)(3) | 1969 | $67,729 | $215,678 | 2025-06 | |
| Phi Eta Kappa Building Association | Community improvement and capacity building | 501(c)(2) | 2010 | $65,700 | $247,349 | 2025-08 |
| Orono-Old Town Kiwanis Charities | Human services | 501(c)(3) | 1995 | $54,780 | $209,044 | 2025-09 |
| Meddybemps Lake Land Trust | Environment | 501(c)(3) | 2016 | $49,670 | $47,594 | 2025-12 |
| Maine Center Ventures | Education | 501(c)(3) | 2017 | $19,298 | $301,063 | 2025-06 |
| Northeast Region of the American Chemical Society | Science and technology | 501(c)(3) | 2019 | $50 | $63,114 | 2025-12 |
| Alpha Sigma Phi Fraternity Inc | Education | 501(c)(7) | 1941 | $0 | $0 | 2025-06 |
| American Association of University Women | Education | 501(c)(4) | 2010 | $0 | $0 | 2025-06 |
| American Chemical Society | 501(c)(3) | 1946 | $0 | $0 | 2025-12 | |
| Ancient Free & Accepted Masons of Maine | 501(c)(10) | 1941 | $0 | $0 | 2026-03 | |
| Asa C Adams Parent Teacher Organization | 501(c)(3) | 1994 | $0 | $0 | 2025-06 | |
| Association for Computing Machinery | 501(c)(3) | 1968 | ||||
| Bahais of Orono Town | 501(c)(3) | 1995 | ||||
| Bangor Area Storm Water Group Inc | Environment | 501(c)(3) | 2009 | $0 | $0 | 2025-06 |
| Black Bear Mutual Aid Fund | Public and societal benefit | 501(c)(3) | 2023 | $0 | $0 | 2026-03 |
| Chi Omega Fraternity | Education | 501(c)(7) | 1940 | $0 | $0 | 2025-04 |
| Citizens for Bulgaria Inc | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Cultural Affairs Foundation of Maine | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Delta Kappa Gamma Society | 501(c)(6) | 1965 | $0 | $0 | 2026-06 | |
| Delta Tau Delta Fraternity | 501(c)(7) | 1940 | $0 | $0 | 2026-07 | |
| Down East Emergency Medicine Institute | Health care | 501(c)(3) | 1995 | $0 | $0 | 2025-12 |
| Faith Baptist Church | 501(c)(3) | 1992 | $0 | $0 | 2022-12 | |
| Frances Dighton Williams Dar | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Friends of Orono Schools | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Friends of the Orono Public Library | Education | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Happy Home Technologies | Environment | 501(c)(3) | 2026 | |||
| Honor Society of Phi Kappa Phi | Education | 501(c)(3) | 1999 | $0 | $0 | 2026-06 |
| Housing Foundation | 501(c)(3) | 1979 | ||||
| Housing Foundation | 501(c)(3) | 1969 | ||||
| Housing Foundation | 501(c)(3) | 1979 | ||||
| Imam Shadhili Academy for Islamic E Ducation and Sunni Sufism | Education | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| International Union United Auto Aerospace & Agriculture Workers | 501(c)(5) | 1942 | ||||
| Islamic Center of Maine | Religion-related | 501(c)(3) | 2020 | |||
| Kappa Sigma Fraternity | 501(c)(7) | 1940 | $0 | $0 | 2025-05 | |
| Kiwanis International Inc | 501(c)(4) | 1940 | $0 | $0 | 2025-09 | |
| M C A Inc | 501(c)(3) | 1976 | ||||
| Maine Association of Persons in Supported Employment | Employment | 501(c)(6) | 2025 | $0 | $0 | 2026-06 |
| Maine Inferno | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2025-04 |
| Maine State Council for Exceptional Children | Social science | 501(c)(3) | 2018 | $0 | $0 | 2025-06 |
| Maneccs | International, foreign affairs and national security | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| North Sar | Public safety, disaster preparedness and relief | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Old Town-Orono Fiber Corporation | Public and societal benefit | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| Orono Community Church | 501(c)(3) | 1975 | ||||
| Orono Historical Society | 501(c)(3) | 1991 | $0 | $0 | 2023-12 | |
| Orono Paddlers | Recreation and sports | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Oto Hockey Boosters | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Psi Chi the International Honor Society in Psychology | 501(c)(3) | 1957 | $0 | $0 | 2025-06 | |
| Research Institute for Mathematics | 501(c)(3) | 1987 | $1 | 2025-12 | ||
| Roselle W Huddilston Family Foundation | Science and technology | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Sigma Theta Tau International Inc | 501(c)(3) | 1954 | $0 | $0 | 2025-06 | |
| Society of Women Engineers | Community improvement and capacity building | 501(c)(3) | 1992 | $0 | $0 | 2026-06 |
| Tau Beta Pi Association Inc | 501(c)(7) | 1945 | $0 | $0 | 2025-05 | |
| The Maine Minutemen Marksmanship Team | Recreation and sports | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Tuesday Forum | 501(c)(6) | 1986 | $0 | $0 | 2025-12 | |
| University of Maine System Inc | 501(c)(3) | 2013 | $0 | $0 | 2026-06 | |
| University of Maine System Police | Mutual and membership benefit | 501(c)(8) | 2025 | $0 | $0 | 2025-12 |
| Orono Economic Development Corporation | Community improvement and capacity building | 501(c)(4) | 2001 | $-411,486 | $272,436 | 2025-06 |
By cause in Orono, ME
- Education 14
- Recreation and sports 6
- Human services 5
- Community improvement and capacity building 5
- Environment 4
- Housing and shelter 3
- Arts, culture and humanities 3
- Public and societal benefit 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.