Data / Nonprofits / Delaware / Nassau
Nonprofits in Nassau, DE: 20 registered with the IRS
20 nonprofits are registered with the IRS in Nassau, DE, 17 of them 501(c)(3) charities; the 6 that report revenue took in $2.4 million. The largest by revenue: Benevolent & Protective Order of Elks of the USA ($753,375), Historic Lewes Farmers Marketsociety ($537,604), Southern Delaware Therapeutic and Recreational Horseback Riding Inc ($491,825). Most common causes: philanthropy, voluntarism and grantmaking foundations (3), education (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $753,375 | $972,541 | 2026-03 | |
| Historic Lewes Farmers Marketsociety | Education | 501(c)(3) | 2007 | $537,604 | $491,965 | 2025-12 |
| Southern Delaware Therapeutic and Recreational Horseback Riding Inc | Human services | 501(c)(3) | 1998 | $491,825 | $2.1 million | 2025-12 |
| Henlopen Soccer Club Inc | Recreation and sports | 501(c)(3) | 2002 | $356,588 | $141,242 | 2025-06 |
| Sodelo | Arts, culture and humanities | 501(c)(3) | 2022 | $118,521 | $80,852 | 2024-12 |
| Friends of Cape Henlopen State Park | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $118,105 | $203,223 | 2025-12 |
| American Legion Auxiliary | 501(c)(19) | 1946 | $0 | $0 | 2025-09 | |
| Cape Henlopen High School Lacrosse Boosters | Education | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Cape Henlopen Instrumental Music Boosters Inc | Education | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Delaware Seashore Parrot Head Club | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Dry Dock Recovery Inc | Mental health and crisis intervention | 501(c)(3) | 2022 | $11,299 | 2025-12 | |
| Gods People for Purpose Ministries | Religion-related | 501(c)(3) | 2016 | |||
| Harvest Church | 501(c)(3) | 1963 | ||||
| Italian-American Heritage Club of Sussex County Foundation | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Jason Anderson Foundation for Youth Sports | Youth development | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Leonard and Mildred Igstaedter Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1995 | $485,657 | 2025-12 | |
| Lewes Rehoboth Chapt 1814 Women of the Moose | 501(c)(8) | 1935 | $0 | $0 | 2026-04 | |
| Mid-Atlantic Hearing Organization Inc | Health care | 501(c)(3) | 2022 | $0 | $0 | 2026-03 |
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1949 | $0 | $0 | 2025-12 | |
| Suicide Resistance Foundation - Solidarity With Ayla | Mental health and crisis intervention | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
By cause in Nassau, DE
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.