| Auxiliary of the Milton & Hattie Kutz Home IncWilmington | Form 990-EZ | $87,453FY2025 |
| Laurel Historical Society IncLaurel | Form 990 | $81,446FY2025 |
| Greyhound Pet Adoptions of DelawareBethany Beach | Form 990-EZ | $78,347FY2025 |
| Little League Baseball IncNewark | Form 990-EZ | $77,481FY2025 |
| Miss Delaware Scholarship Program IncFelton | Form 990-EZ | $76,583FY2025 |
| Greater Harrington Historical SocietyHarrington | Form 990 | $75,480FY2025 |
| Ascend IncNewark | Form 990-EZ | $73,489FY2025 |
| Little League Baseball IncFelton | Form 990 | $73,116FY2025 |
| Delaware Chapter of the American Academy of PediatricsMiddletown | Form 990-EZ | $72,036FY2025 |
| Delaware Choral SocietyDover | Form 990-EZ | $70,588FY2025 |
| Little League Baseball IncBridgeville | Form 990-EZ | $70,501FY2025 |
| American Youth Football IncBridgeville | Form 990-EZ | $68,348FY2023 |
| New Castle County Coaches Cross Country and Track AssociationWilmington | Form 990-EZ | $67,489FY2025 |
| Orders and Medals Society of AmericaWilmington | Form 990-EZ | $67,158FY2024 |
| Delaware Choral Arts AssocWilmington | Form 990-EZ | $66,424FY2026 |
| American Chemical SocietyMontchanin | Form 990-EZ | $65,331FY2025 |
| Delaware Police Chiefs Foundation IncCamden | Form 990-EZ | $65,058FY2025 |
| Georgetown Historical SocietyGeorgetown | Form 990 | $64,167FY2025 |
| Fort Delaware SocietyDelaware City | Form 990-EZ | $62,425FY2025 |
| Northern Delaware Intergroup IncWilmington | Form 990-EZ | $61,863FY2025 |
| Holly Ball Foundation IncWilmington | Form 990-EZ | $61,027FY2024 |
| De Assoc for Children of Alcoholics IncHockessin | Form 990-EZ | $60,869FY2024 |
| Delaware Library AssociationDover | Form 990-EZ | $58,725FY2025 |
| Southern Delaware Chorale IncRehoboth Beach | Form 990-EZ | $57,046FY2025 |
| Future Farmers of America State Associations & Local ChapterClayton | Form 990-EZ | $53,298FY2025 |
| RSL Ministries IncClayton | Form 990-EZ | $53,100FY2025 |
| American Inns of Court FoundationWilmington | Form 990-EZ | $51,892FY2025 |
| PTA Delaware CongressHockessin | Form 990-EZ | $49,079FY2026 |
| Duck Creek Historical Society IncSmyrna | Form 990-N | No figure |
| Operation Seas the Day IncBethany Beach | Form 990-EZ | $44,537FY2025 |
| Hope Dining Room IncNewark | Form 990-N | No figure |
| Delaware State College Alumni AssociationDover | Form 990-EZ | $37,559FY2025 |
| New Hope Recreation and Developement Center IncEllendale | Form 990-N | No figure |
| Boy Scouts of AmericaWilmington | Form 990-EZ | $32,777FY2025 |
| Bible Study Ministries IncDelmar | Form 990-N | No figure |
| Old Brandywine Village IncWilmington | Form 990-N | No figure |
| Delaware Association for the Education of Young ChildrenNewark | Form 990-N | No figure |
| Bridgeville Historical Society IncBridgeville | Form 990-N | No figure |
| New Castle County Volunteer Firefighters Association IncNew Castle | Form 990-N | No figure |
| Dream Keepers Foundation IncMilton | Form 990-EZ | $18,325FY2025 |
| Ladies Auxiliary to the Five Points Fire Co No 1 IncWilmington | Form 990-N | No figure |
| Life Is DeliciousBear | Form 990-N | No figure |
| Glasgow Lions Service Foundation IncNewark | Form 990-N | No figure |
| Womens Auxiliary Milford Memorial HospitalMilford | Form 990-N | No figure |
| Foundation for Art and BlockchainWilmington | Form 990-N | No figure |
| Great Futures FundMillsboro | Form 990-N | No figure |
| Catalysis Club of PhiladelphiaNewark | Form 990-N | No figure |
| Sons of Confederate Veterans IncRehoboth Beach | Form 990-N | No figure |
| Toastmasters InternationalNewark | Form 990-N | No figure |
| VISUMilford | Form 990-N | No figure |