Data / Nonprofits / Maryland / Port Republic
Nonprofits in Port Republic, MD: 22 registered with the IRS
22 nonprofits are registered with the IRS in Port Republic, MD, 18 of them 501(c)(3) charities; the 7 that report revenue took in $1.6 million. The largest by revenue: Scientists Cliffs Association Inc ($1.1 million), Southern Maryland Spay and Neuter Inc ($189,273), Calvert Safe Housing Network Inc ($101,116). Most common causes: animal-related (3), arts, culture and humanities (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Scientists Cliffs Association Inc | 501(c)(4) | 1939 | $1.1 million | $3.3 million | 2024-12 | |
| Southern Maryland Spay and Neuter Inc | Animal-related | 501(c)(3) | 2004 | $189,273 | $13,827 | 2025-12 |
| Calvert Safe Housing Network Inc | Housing and shelter | 501(c)(3) | 2025 | $101,116 | $63,516 | 2025-06 |
| Calvert Nature Society Inc | Environment | 501(c)(3) | 2024 | $77,088 | $1.8 million | 2025-06 |
| Friends of Felines Inc | Animal-related | 501(c)(3) | 2004 | $69,442 | $162,665 | 2025-12 |
| Project Management Institute | 501(c)(6) | 2001 | $41,225 | $127,116 | 2025-12 | |
| Pta Delaware Congress | 501(c)(3) | 1971 | $41,053 | $17,589 | 2024-06 | |
| Acta Midshipmen Support Foundation Inc | Education | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| After Dark Fund | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Aglow International | 501(c)(3) | 1973 | $0 | $0 | 2022-12 | |
| Browns Umc Multi Cultural Heritage Center Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Calvert County Family Day Care Association Inc | Community improvement and capacity building | 501(c)(6) | 2001 | $0 | $0 | 2025-12 |
| Christ Episcopal Church | 501(c)(3) | 1975 | ||||
| Church By the Chesapeake Inc | Religion-related | 501(c)(3) | 2005 | |||
| Eastern Deaf Timberfest Inc | Recreation and sports | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Friends of the One Room Schoolhouse Inc | Arts, culture and humanities | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| In the Company of Friends | Animal-related | 501(c)(3) | 2009 | $0 | $0 | 2023-12 |
| National Active and Retired Federal Employees Association | 501(c)(5) | 1963 | $0 | $0 | 2025-12 | |
| Patuxent Voices Inc | Arts, culture and humanities | 501(c)(3) | 2005 | $0 | $0 | 2025-07 |
| Skyward Foundation | Public and societal benefit | 501(c)(3) | 2017 | $1,445 | 2024-12 | |
| Sons of Confederate Veterans Inc | Public and societal benefit | 501(c)(3) | 2007 | $0 | $0 | 2024-07 |
| Yvorra Leadership Development Inc | 501(c)(3) | 1993 | $312,847 | 2025-06 |
By cause in Port Republic, MD
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.