Data / Nonprofits / Delaware / Mutual and membership benefit
Mutual and membership benefit nonprofits in Delaware: 54 registered with the IRS
54 mutual and membership benefit nonprofits are registered with the IRS in Delaware, 10 of them 501(c)(3) charities; the 15 that report revenue took in $21.5 million. The most are in Wilmington (16), Dover (7), Newark (7). The largest by revenue: Syngenta Corp Voluntary Employees Beneficiary Trust for Retiree Welfare ($8.2 million), Astra Zeneca Veba Trust Agreement for Retiree Health Benefits ($6.2 million), Hillside Memorial Park Endowment Care Trust ($3 million).
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Every organization, largest by revenue first
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Syngenta Corp Voluntary Employees Beneficiary Trust for Retiree Welfare | Wilmington | 501(c)(9) | 2004 | $8.2 million | $165.2 million | 2024-12 |
| Astra Zeneca Veba Trust Agreement for Retiree Health Benefits | Wilmington | 501(c)(9) | 2003 | $6.2 million | $46.7 million | 2024-12 |
| Hillside Memorial Park Endowment Care Trust | Wilmington | 501(c)(13) | 2018 | $3 million | $50.1 million | 2025-06 |
| Rails Foundation | Wilmington | 501(c)(6) | 2023 | $2 million | $2 million | 2025-12 |
| Lewes Rehoboth Lodge No 646 Loyal Order of Moose Inc | Lewes | 501(c)(8) | 2025 | $733,248 | $729,594 | 2021-04 |
| Sons of Italy in America | Wilmington | 501(c)(8) | 1941 | $429,067 | $718,577 | 2024-12 |
| Confers Inc | Dover | 501(c)(6) | 2023 | $197,982 | $112,088 | 2025-12 |
| Health and Welfare Benefits Trust for Mafmc Employees and Retirees | Dover | 501(c)(9) | 2014 | $183,113 | $3.3 million | 2025-12 |
| Bethel Methodist Cemetery Inc | Lewes | 501(c)(13) | 2006 | $160,628 | $1.7 million | 2025-03 |
| United Claims Professionals Inc | Dover | 501(c)(6) | 2024 | $123,670 | $359 | 2025-12 |
| St Matthews Grand Chapter Oes Inc | Dover | 501(c)(10) | 2003 | $107,525 | $85,384 | 2025-09 |
| Ibew Local 313-Neca Labor Management Cooperation Committee | New Castle | 501(c)(5) | 2011 | $99,514 | $145,419 | 2025-06 |
| Paul Mellon Health Care Plan Trust | Wilmington | 501(c)(9) | 2023 | $48,824 | $958,281 | 2025-12 |
| St Johns Cemetery at Springfield Crossroads | Georgetown | 501(c)(13) | 2012 | $34,786 | $1.3 million | 2025-12 |
| Nez Perce Farmers County Mutual Fire Ins Co | Wilmington | 501(c)(15) | 1945 | $25,890 | $206,903 | 2025-12 |
| 50 Club of Delaware Inc | Middletown | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Alpha Eta Chapter of Phi Sigma Pi | Newark | 501(c)(7) | 2025 | $0 | $0 | 2024-12 |
| American Board of Prolotherapy Inc | Middletown | 501(c)(6) | 2014 | $0 | $0 | 2024-12 |
| American Society of Professional Estimators Delaware Chapter | Greenville | 501(c)(6) | 2014 | $0 | $0 | 2026-07 |
| Ancient Order of Hibernians in America | Millville | 501(c)(8) | 1945 | $0 | $0 | 2026-06 |
| Art Fusion | Wilmington | 501(c)(3) | 2014 | $0 | $0 | 2026-06 |
| Ascenso | Wilmington | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Bethel Cemetery Association | Wilmington | 501(c)(13) | 2020 | $0 | $0 | 2024-12 |
| Centennial Lodge No 221 A F & A M Holding Corporation | Delmar | 501(c)(8) | 2013 | $0 | $0 | 2025-12 |
| Cio Civic Association | New Castle | 501(c)(4) | 2010 | $0 | $0 | 2025-05 |
| Cornerstone Community Center | Bridgeville | 501(c)(3) | 2021 | $0 | $0 | 2026-06 |
| Duck Creek Cemetery Group Inc | Smyrna | 501(c)(13) | 2022 | $0 | $0 | 2025-12 |
| Friends of Pigeon Run Cemetery | Newark | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Georgetown Cemetery Inc | Dover | 501(c)(13) | 2006 | $0 | $0 | 2025-12 |
| Holy Angels Council No 12104 Knights of Columbus | Newark | 501(c)(8) | 2017 | $0 | $0 | 2026-06 |
| Independent Online Booksellers Association | Lewes | 501(c)(6) | 2014 | $0 | $0 | 2025-12 |
| Independent Order of Odd Fellows | Wilmington | 501(c)(8) | 1962 | $0 | $0 | 2024-12 |
| Knights Templar of the United States of America | Georgetown | 501(c)(10) | 2014 | $0 | $0 | 2025-12 |
| Knights of Columbus | Bear | 501(c)(8) | 2014 | $0 | $0 | 2026-06 |
| Knights of Columbus | Hockessin | 501(c)(8) | 2024 | $0 | $0 | 2026-06 |
| Ladies of Dover Lodge No 1903 of B P O E Inc | Dover | 501(c)(10) | 2008 | $0 | $0 | 2025-03 |
| Masonic Hall Company of Middletown | Middletown | 501(c)(2) | 2026 | |||
| Milford Rotary Club Eductional Foundation | Milford | 501(c)(3) | 2014 | $0 | $0 | 2025-06 |
| Most Worshipful Grand Lodge of A F and A M of Delaware | Wilmington | 501(c)(10) | 1972 | 2007-09 | ||
| Mount Zion Cemetery Association | Wilmington | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| Mt Olive Church Cemetery Fund | Selbyville | 501(c)(13) | 2014 | $0 | $0 | 2025-12 |
| Nypay Inc | Wilmington | 501(c)(6) | 2013 | $0 | $0 | 2025-12 |
| Order of the Eastern Star Caesar Rodney Chapter 8 | Newark | 501(c)(8) | 2021 | $0 | $0 | 2026-03 |
| Order of the Eastern Star Victory Chapter 15 | Dover | 501(c)(10) | 2024 | $0 | $0 | 2025-04 |
| Poscon Inc | Claymont | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Roxana Cemetery Association Inc | Ocean View | 501(c)(13) | 2011 | $0 | $0 | 2025-12 |
| Scottish Rite Charities of Delaware | Wilmington | 501(c)(3) | 2025 | |||
| Smyrna Clayton Delaware Chapter No 1088 Women of the Moose | Smyrna | 501(c)(8) | 2012 | $0 | $0 | 2026-04 |
| Sons of Italy in America | Newark | 501(c)(8) | 1941 | $0 | $0 | 2022-12 |
| St Paul Church Historical Revitalization and Maintenance Inc | Newark | 501(c)(13) | 2001 | $0 | $0 | 2026-06 |
| Staytonville Cemetery Restoration & Maintenance Inc | Lincoln | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| The Pac | Wilmington | 501(c)(6) | 2019 | $0 | $0 | 2024-12 |
| Upper Dorchester Council 204 | Laurel | 501(c)(8) | 2014 | $0 | $0 | 2025-12 |
| Wedge Hills Civic Association Inc | Newark | 501(c)(4) | 2017 | $0 | $0 | 2026-04 |
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.