| Name | Deductibility Code |
| Archbishop Neale Council 2279 Chairties Inc. | -- |
| Arunbhai Foundation Inc. | 4 |
| Bethel Baptist Church Inc. | -- |
| Center for Children Inc. | -- |
| Charles County Cooperative Ministry on Aging Inc. | -- |
| Charles County Disaster Relief Fund | -- |
| Charles County Extension Advisory Council Inc. | -- |
| Charles County Fire Museum Association Inc. | -- |
| Charles County Freedom Landing Inc. | -- |
| Charles County Nursing and Rehabilitation Center Foundation | -- |
| Charles County Scholarship Fund Inc. | -- |
| Chesapeake Community Development Corporation | -- |
| Christ Tabernacle Church Ministries Inc. | -- |
| Citizens for the Charles County Public Library | -- |
| Civista Health Auxiliary Inc. | -- |
| Civista Health Foundation | -- |
| Civista Medical Center Inc. | -- |
| Energetics Technology Center Inc. | -- |
| Facchina Foundation Inc. | 3 |
| Foundation for Public School Children of Charles County Inc. | -- |
| George R Jr and Donna M Wilson Family Foundation Inc. | 4 |
| George W Robertson Community Foundation | 4 |
| Jude House Inc. | -- |
| La Plata Church of Christ | -- |
| Laplata Youth Football Association Inc. | -- |
| Lifestyles of Maryland Foundation Inc. | -- |
| Maples Foundation Inc. | -- |
| Maryland Veterans Memorial Museum Inc. | -- |
| Masjid Abdul-Moghni Inc. | -- |
| McDonough Charity School | 4 |
| Ministers Alliance of Charles County and Vicinity Inc. | -- |
| Muslim Family Foundation Inc. | -- |
| Pacem International USA Ltd. | -- |
| Pleasant Grove Baptist Church | -- |
| Point of Change Jail and Street Ministry Inc. | -- |
| Pope John Paul II Academy Inc. | -- |
| Port Tobacco Players Inc. | -- |
| Potomac River Baptist Association Inc. | -- |
| Project Healing Waters - Fly Fishing Inc. | -- |
| Restorers of Mount Carmel in Maryland Inc. | -- |
| Society for the Friends of Hospice Inc. | -- |
| Southern Maryland Carousel Group Inc. | -- |
| Spring Dell Center Inc. | -- |
| The Bel Alton High School Alumni Assoc Community Development Corp | -- |
| The College of Southern Maryland Foundation Inc. | -- |
| The United Way of Charles County Inc. | -- |
| Use It Again Inc. | -- |
| Watchmans Sword Inc. | -- |