| Gender Research Advisory Council & Education IncDover | Form 990-EZ | $100,809FY2025 |
| Achievers Program IncWilmington | Form 990-EZ | $98,985FY2025 |
| Laurel Alumni Scholarship Foundation IncLaurel | Form 990 | $97,062FY2024 |
| Association of Law School Diversity ProfessionalsDover | Form 990-EZ | $96,448FY2024 |
| Societa Davinci IncWilmington | Form 990-EZ | $89,756FY2025 |
| Appoquinimink Music Booster Association IncMiddletown | Form 990-EZ | $87,824FY2025 |
| Fresh Start Child Care Academy IncBear | Form 990-EZ | $80,516FY2023 |
| Delaware School Counselors Association IncWilmington | Form 990-EZ | $77,012FY2025 |
| Delaware Chapter of the American College of Surgeons IncWilmington | Form 990-EZ | $74,696FY2025 |
| Talley Performing Arts BoosterWilmington | Form 990-EZ | $73,933FY2025 |
| Digital Wish IncMilton | Form 990-EZ | $73,234FY2025 |
| Cohort Sistas IncNewark | Form 990-EZ | $72,436FY2025 |
| Agr Alpha Theta Educational Foundation IncSelbyville | Form 990-EZ | $72,433FY2025 |
| Miriams TableLewes | Form 990-EZ | $72,046FY2024 |
| Wow Science CorpWilmington | Form 990-EZ | $71,171FY2024 |
| Yes U Can CorporationWilmington | Form 990-EZ | $70,537FY2025 |
| Businesses Beyond BordersCamden | Form 990-EZ | $69,186FY2025 |
| Middletown High School Band Boosters IncMiddletown | Form 990-EZ | $65,294FY2024 |
| Delaware Headstart Association IncWilmington | Form 990-EZ | $63,181FY2025 |
| New Beginnings Scholarship FoundationNewark | Form 990-EZ | $63,010FY2023 |
| Lewes Elementary PTO AssociationLewes | Form 990-EZ | $62,373FY2025 |
| Sothern Delaware Education FoundationOcean View | Form 990-EZ | $62,082FY2025 |
| The Student Sponsorship Program of South Africa IncDover | Form 990-EZ | $61,915FY2025 |
| Rainbow Chorale of Delaware IncWilmington | Form 990-EZ | $60,083FY2025 |
| Friends of Vinuniversity IncWilmington | Form 990-EZ | $58,638FY2024 |
| Aauw Wilmington Delaware Scholarship & MemorialWilmington | Form 990 | $56,721FY2025 |
| Delaware Mathematics Coalition IncWilmington | Form 990-EZ | $55,674FY2025 |
| Ravens Music Boosters IncGeorgetown | Form 990-EZ | $55,432FY2025 |
| Fundacion Centro Latino IncWilmington | Form 990 | $53,825FY2024 |
| Friends of the Hockessin Library IncHockessin | Form 990-EZ | $53,781FY2025 |
| Reading Clinic IncHockessin | Form 990-EZ | $52,889FY2025 |
| Lord Baltimore Elementary School Parent Teacher OrganizationOcean View | Form 990-EZ | $51,779FY2025 |
| Old State Elementary School PTOTownsend | Form 990-N | No figure |
| Seaford School District Scholarship FoundationSeaford | Form 990 | $46,814FY2024 |
| Blue Hen Touchdown Club IncNewark | Form 990-N | No figure |
| Cab Calloway Band Booster AssociationWilmington | Form 990-N | No figure |
| JXTX FoundationDover | Form 990-N | No figure |
| Sussex Central Senior High School Band BoostersGeorgetown | Form 990-N | No figure |
| Pearls of Hope Foundation of Alpha Kappa Alpha Sorority IncWilmington | Form 990-EZ | $38,277FY2025 |
| PTA Delaware CongressHockessin | Form 990-EZ | $35,445FY2025 |
| Delaware Military Academy Sports Booster ClubWilmington | Form 990-N | No figure |
| Motorhead Men FoundationTownsend | Form 990-N | No figure |
| Delaware Recreation Education and Athletics AssociationDover | Form 990-N | No figure |
| Pershing Rifles Foundation IncBethany Beach | Form 990-N | No figure |
| Vatsim IncWilmington | Form 990-N | No figure |
| Creative Opportunities UnlimitedBear | Form 990-EZ | $24,487FY2025 |
| The Gamma Theta Lambda Education FoundationWilmington | Form 990-EZ | $24,469FY2025 |
| East Millsboro Elem School PTOMillsboro | Form 990-EZ | $23,791FY2025 |
| Dover Library Foundation Committee IncDover | Form 990-N | No figure |
| Analysts and Associates Collective IncorporatedWilmington | Form 990-N | No figure |