| Pritchardville Elementary PTOBluffton | Form 990-N | No figure |
| Waccamaw Elementary PTOConway | Form 990-EZ | $36,042FY2024 |
| Southern Criminal Justice AssociationBluffton | Form 990-N | No figure |
| Waccamaw American Leadership ForumMurrells Inlet | Form 990-N | No figure |
| Richard Carroll Elementary PTOBamberg | Form 990-EZ | $35,733FY2025 |
| Hammond Hill Elementary PTO IncNorth Augusta | Form 990-N | No figure |
| Blythewood High School Education FoundationBlythewood | Form 990-N | No figure |
| Inspireher STEMColumbia | Form 990-N | No figure |
| Beth Mitchell Memorial Scholarship Fund IncMyrtle Beach | Form 990-N | No figure |
| Union Third Division Peterson Education InstituteMcCormick | Form 990-N | No figure |
| West View Elementary School Parent-Teacher OrganizationSpartanburg | Form 990-N | No figure |
| Marlboro County Economic Development CorporationBennettsville | Form 990-N | No figure |
| Hanahan Elementary PTOHanahan | Form 990-N | No figure |
| C&M Learning Center IncOrangeburg | Form 990-N | No figure |
| Island School Literacy EventsIsle of Palms | Form 990-N | No figure |
| Reclaiming Our Youth ServicesOrangeburg | Form 990-N | No figure |
| Chi Iota Iota Scholarship FundColumbia | Form 990-EZ | $31,612FY2025 |
| Maritime Cybersecurity InstituteBeaufort | Form 990-N | No figure |
| Socastee Middle School PTOMyrtle Beach | Form 990-N | No figure |
| Oakland Elementary PTOCharleston | Form 990-EZ | $30,372FY2025 |
| Forest Lake ElementaryColumbia | Form 990-EZ | $30,149FY2025 |
| Cedar Street Day Care IncHopkins | Form 990-N | No figure |
| Friends of the Nancy Carson Library Foundation IncNorth Augusta | Form 990-N | No figure |
| Aiken Elementary PTOAiken | Form 990-N | No figure |
| Moultrie Patriot Band BoostersMount Pleasant | Form 990-N | No figure |
| Myrtle Beach Middle School PTOMyrtle Beach | Form 990-N | No figure |
| Forest Creek Middle School Athletic Booster ClubFort Mill | Form 990-N | No figure |
| Blue Ridge High School Athletic Booster ClubGreer | Form 990-EZ | $29,028FY2025 |
| Country Club of Charleston Employee Assistance Fund IncorporatedCharleston | Form 990-EZ | $28,810FY2025 |
| Bearcat Backers IncRock Hill | Form 990-EZ | $28,713FY2025 |
| Ballentine Elementary School Parent and Teachers OrganizationIrmo | Form 990-EZ | $27,774FY2025 |
| Coastal Montessori Charter School PTOPawleys Island | Form 990-N | No figure |
| Banks Trail Middle School PTOFort Mill | Form 990-N | No figure |
| Chukker Creek Elementary P T O IncAiken | Form 990-N | No figure |
| Lake Carolina Elemenmtary School PTOBlythewood | Form 990-EZ | $26,706FY2025 |
| Gilbert Primary School PTOGilbert | Form 990-N | No figure |
| Bob Prevatte Education Foundation IncGaffney | Form 990-N | No figure |
| Sterling High School Alumni AssociationGreenville | Form 990-N | No figure |
| Flint Hill Elementary PTOFort Mill | Form 990-N | No figure |
| Friends of the Anderson County LibraryAnderson | Form 990-N | No figure |
| Friends of Southern 500 Junior GolfDarlington | Form 990-N | No figure |
| Wateree Elementary PTOLugoff | Form 990-N | No figure |
| Toomeys Kids IncMurrells Inlet | Form 990-N | No figure |
| Charleston Area Model Railroad Club IncCharleston | Form 990-N | No figure |
| South Carolina Pharmacy Foundation IncColumbia | Form 990-N | No figure |
| York County ReadsTega Cay | Form 990-N | No figure |
| Marley Project IncCamden | Form 990-N | No figure |
| Hartsville Rotary Foundation IncHartsville | Form 990-N | No figure |
| Dalton Troy FoundationConway | Form 990-N | No figure |
| Burke High School FoundationCharleston | Form 990-N | No figure |