| Name | Deductibility Code |
| Beacon Middle School Parent-Teacher Organization | -- |
| Beebe Medical Center Auxiliary Inc. | -- |
| Beebe Medical Center Inc. | -- |
| Beebe Medical Foundation | -- |
| Beebe Physican Network Inc. | -- |
| Bethel Methodist Cemetery Inc. | 6 |
| Cape Henlopen Educational Foundation | -- |
| Cape Henlopen High School Music Boosters | -- |
| Coastal Concerts Inc. | -- |
| Delaware by Hand | -- |
| Delaware Celebration of Jazz Inc. | -- |
| Delaware Center of Technology Inc. | -- |
| Delaware River and Bay Lighthouse Foundation Inc. | -- |
| Delaware Shore Field Hockey Inc. | -- |
| Delmarva Community Wellnet | -- |
| Dewey Beach Feral Cat Society | -- |
| Families of Fallen Heroes Inc. | -- |
| Farpath Foundation | 4 |
| Fort Miles Historical Association Inc. | -- |
| Friends of the Lewes Public Library Inc. | -- |
| Friendship Baptist Church | -- |
| Greater Lewes Foundation | -- |
| Historic Lewes Cat Society | -- |
| Hope of His Calling Ministry | -- |
| Initiative for Medicines Access & Knowledge I-Mak Inc. | -- |
| Jusst Sooup Ministries Inc. | -- |
| Kathryn Neal Animal Relief Fund Inc. | -- |
| Lewes Aid Services Foundation Inc. | -- |
| Lewes Convalescent Center Inc. | -- |
| Lewes Fire Dept Inc. | 6 |
| Lewes Historical Society | -- |
| Lewes in Bloom Inc. | -- |
| Lewes Public Library Inc. | -- |
| Lewes Public Library Inc. | -- |
| Lewes Senior Citizens Ctr Inc. | -- |
| Lewes-Rehoboth Association of Churches Inc. | -- |
| Lower Delaware Autism Foundation | -- |
| Meals on Wheels of Rehoboth and Lewes Inc. | -- |
| Merrietta Virden Animal Foundation | -- |
| Midway Baptist Church | -- |
| Overfalls Maritime Museum Foundation | -- |
| Pinetown Civic Assocation Inc. | -- |
| Rheumatology Society of Delaware | 4 |
| Richwood Pre School Incorporated | -- |
| Schell Family Foundation | 4 |
| Society for Acupuncture Research Inc. | -- |
| Southern Delaware Center for the Art and Humanities | -- |
| The Lewes and Delaware 375th Anniversary Commission Inc. | -- |
| Trinity Faith Christian Center Out Reach Ministries Inc. | -- |
| Truth for Modern Living Incorporated | -- |