| Name | Deductibility Code |
| Ann G Haggart Associates Inc. | -- |
| Aquacultural Education and Research Center | -- |
| Brad Delp Foundation | -- |
| Cerullo Family Foundation | 4 |
| Coastal Soccer Club | -- |
| Fish House Foundation | -- |
| Friends of the Lane Memorial Library | -- |
| Friends of Winnacunnet Endowment Foundation | -- |
| George Ashworth Charitable Trust D | 4 |
| Great Hill Horticultural Foundation Inc. | 3 |
| Hampton Child & Family Program Inc. | -- |
| Hampton Free Medical Clinic | -- |
| Hampton Historical Society | -- |
| Hampton Hurricanes Football | -- |
| Hampton Youth Association Incorporated | -- |
| Harbor Arts | -- |
| Ho Jala Peo-Plant the Seed | -- |
| James House Association Inc. | -- |
| Kupenda for the Children | -- |
| Lifewise Community Projects Inc. | -- |
| Little Warriors Football | -- |
| Michael and Elizabeth Dingman Foundation | 4 |
| Michael Cassidy Scholarship Fund Inc. | -- |
| Michael J Rush Foundation for Children | -- |
| Murder Victims Families for Human Rights | -- |
| National Assoc of Prof Accident Reconstruction Specialist Inc. | -- |
| New England Health Solutions Inc. | -- |
| Odyssey House Inc. | -- |
| Oxford League Inc. | 4 |
| Piscataqua Pioneers | -- |
| Python Software Foundation | -- |
| Robie-Mackin Charitable Organization | -- |
| Rotary Club of Hampton Charitable Foundation Inc. | -- |
| Sea Coast Area Feline Education & Rescue Inc. | -- |
| Seacoast United Soccer Club | -- |
| Team Trevor | -- |
| The Hampton Community Coalition | -- |
| The Penates Foundation | 4 |
| Thomas B Davidson Educational Trust at Berwick Academy | -- |
| Timothy Grogan Charitable Foundation | 4 |
| Towns of Hampton Babe Ruth League Inc. | -- |
| Tredwell Foundation for the Visual Arts | -- |
| William and Ann Murphy Family Charitable Foundation | 4 |