| Rehoboth Beach Writer GuildLewes | Form 990-EZ | $101,354FY2025 |
| Delart CinemaWilmington | Form 990-EZ | $99,728FY2024 |
| Udaan IncBear | Form 990-EZ | $97,961FY2024 |
| Delaware Performing Arts Center IncWilmington | Form 990 | $92,109FY2025 |
| Delaware Academy of Science IncNewark | Form 990 | $90,775FY2024 |
| Friends of First State IncWilmington | Form 990-EZ | $88,157FY2026 |
| City Theater CompanyWilmington | Form 990-EZ | $85,201FY2025 |
| Uniting Brown Ballers FoundationWilmington | Form 990-EZ | $84,598FY2025 |
| Reel Families for Change IncDover | Form 990-EZ | $84,257FY2025 |
| Seaford Community Concert Association IncSeaford | Form 990-EZ | $82,560FY2025 |
| Delaware Seaside Railroad Club IncOcean View | Form 990-EZ | $81,671FY2025 |
| Nuestras RaicesNewport | Form 990-EZ | $80,691FY2025 |
| Friends of Historic Riverview Cemetery IncWilmington | Form 990-EZ | $79,526FY2025 |
| Middletown Historical Society of Middletown DelawareMiddletown | Form 990-EZ | $76,498FY2025 |
| National Jazz Festival IncMiddletown | Form 990-EZ | $76,278FY2025 |
| Kent County Theatre Guild Foundation IncDover | Form 990-EZ | $73,596FY2025 |
| Light Up the Queen FoundationWilmington | Form 990-EZ | $73,183FY2025 |
| International Hellenic AssociationClaymont | Form 990-EZ | $71,607FY2025 |
| Hockessin Historical SocietyYorklyn | Form 990-EZ | $70,958FY2025 |
| Newark Union CorporationWilmington | Form 990 | $68,370FY2025 |
| Ocean View Historical SocietyOcean View | Form 990-EZ | $64,028FY2024 |
| Middletown Main Street IncMiddletown | Form 990-EZ | $54,776FY2025 |
| Jester ArtspaceWilmington | Form 990-EZ | $53,822FY2025 |
| Indo-American Association DelawareHockessin | Form 990-EZ | $53,502FY2024 |
| Dickinson Theatre Organ Soc IncWilmington | Form 990 | $51,163FY2025 |
| Lewes Junction Railroad and Bridge Association IncLewes | Form 990-N | No figure |
| Shepherds Heartbeat-IncNewark | Form 990-N | No figure |
| Society of Colonial Wars of DelawareWilmington | Form 990-N | No figure |
| Selbyville Historical SocietySelbyville | Form 990-EZ | $42,485FY2024 |
| The Delaware Sports Museum and Hall of Fame Association IncWilmington | Form 990-EZ | $40,879FY2024 |
| National Association for Korean Schools Mid Atlantic ChapterNewark | Form 990-N | No figure |
| Friends of the John Dickinson Mansion IncDover | Form 990-N | No figure |
| Owls Nest Fund for Historic Designated FacilitiesWilmington | Form 990-N | No figure |
| The Marketing of You IncWilmington | Form 990-N | No figure |
| Arden Craft Shop Museum IncArden | Form 990-EZ | $29,802FY2025 |
| Art Therapy Express Program IncHockessin | Form 990-N | No figure |
| Delaware Military Heritage and Education Foundation IncWilmington | Form 990-N | No figure |
| Bachelors Committee IncMontchanin | Form 990-EZ | $25,037FY2024 |
| 150 Madison Lane Preservation FundWilmington | Form 990-N | No figure |
| Studio Group IncorporatedWilmington | Form 990-N | No figure |
| Delmar Historical & Arts Society IncDelmar | Form 990-N | No figure |
| In Wilmington Marketing Group IncWilmington | Form 990-N | No figure |
| Compassion Street Foundation IncClayton | Form 990-N | No figure |
| Milford Community BandMilford | Form 990-N | No figure |
| Vriddhi Arts Foundation IncNewark | Form 990-N | No figure |
| Historical Society for the Court of Chancery of the State of DelawareGeorgetown | Form 990-N | No figure |
| Sanniquillie Connections IncMagnolia | Form 990-N | No figure |
| Balik Balik Edu Arts Life FoundationWilmington | Form 990-N | No figure |
| International Friends Verderame IncWilmington | Form 990-N | No figure |
| Kreative Minds IncorporatedDover | Form 990-N | No figure |