| Name | Deductibility Code |
| Alliance of Natural Resource Outreach and Service Programs | -- |
| American Association for Agricultural Education Inc. | -- |
| Anderson Youth Camp | -- |
| Article 15 Inc. | -- |
| Awp Foundation Inc. | -- |
| Birthright of Clemson | -- |
| Camp Sertoma of South Carolina Inc. | -- |
| Christopher Scott Bantly Foundation | -- |
| Clemson Aquatic Team | -- |
| Clemson Architectural Foundation | -- |
| Clemson Area African American Museum | -- |
| Clemson Area Soccer Club Inc. | -- |
| Clemson Child Development Center | -- |
| Clemson Community Care Inc. | -- |
| Clemson Downs Volunteers Inc. | -- |
| Clemson Elementary School Tiger Fund | -- |
| Clemson Free Clinic | -- |
| Clemson Health Center | -- |
| Clemson Iptay Club | -- |
| Clemson Little Theatre | -- |
| Clemson Meals on Wheels Inc. | -- |
| Clemson Montessori Pto | -- |
| Clemson Research Facilities Corporation | -- |
| Clemson University Continuing Educ and Conference Complex Corporation | -- |
| Clemson University Flying Club Inc. | -- |
| Clemson University Foundation | -- |
| Clemson University Real Estate Foundation Inc. | -- |
| Clemson University Research Foundation | -- |
| Covenant Worship Church Inc. | -- |
| Destiny Christian Center International Incorporated | -- |
| East-West Church Report | -- |
| Elses Llc | -- |
| Environmental Education Association of South Carolina Inc. | -- |
| First Baptist Church of Clemson Sc Foundation | -- |
| Foothills Chorale | -- |
| Foothills Community Health Care | -- |
| Foothills Foundation Inc. | -- |
| Foothills Gala | -- |
| Forest Resources Systems Institute | -- |
| Forthehounds | -- |
| George B Jr and Helen C Hartzog Institute for Parks | -- |
| Harvey J Wheeler Award in Economics | -- |
| Helens Hugs Inc. | -- |
| Helping Hands Childrens Emergency Shelter Inc. | -- |
| International Town & Gown Association | -- |
| Islamic Society of Clemson Inc. | -- |
| J C and Bernice S Clanton Foundation | 4 |
| Littlejohn Community Center Inc. | -- |
| National Association of Women in Construction Education Foundation | -- |
| National Council of Examiners for Engineering and Surveying | -- |
| National Dropout Prevention Network | -- |
| Redneck Performing Arts Association | 4 |
| Ruth B Wood Foundation Inc. | 4 |
| South Carolina Forest Watch | -- |
| South Carolina Textile Education Foundation | -- |
| South Carolina University & College Council of Educators | -- |
| Southern Association of Student Financial Aid Administrators Inc. | -- |
| The George L Owino & Walker Foundation | -- |
| The Helping Hands of Clemson Inc. | -- |
| Three Saints Real Estate Trust Inc. | -- |
| Tiger Golf Gathering Foundation | -- |
| Tigers Go | -- |
| Upstate Center for the Arts | -- |
| Wallace F Pate Foundation for Environmental Research and Educatn | -- |
| Write to Change Inc. | 4 |