| Name | Deductibility Code |
| Adirondack Mennonite Camping Association Inc. | -- |
| Adirondack Mennonite Retirement Community Inc. | -- |
| Black River Valley Gospel Radio Inc. | -- |
| Boys and Girls Club of Lewis County Inc. | -- |
| Brookside Redevelopment Company Inc. | -- |
| Constable Hall Association Inc. | -- |
| Friends of Lewis County Hospice Inc. | -- |
| Grace Chapel | -- |
| Hand in Hand Early Childhood Center Inc. | -- |
| Lewis County Agricultural Society | -- |
| Lewis County Amatuer Hockey Association Inc. | -- |
| Lewis County Community Mental Hygiene Foundation Inc. | -- |
| Lewis County General Hospital Auxiliary | -- |
| Lewis County Head Start | -- |
| Lewis County Historical Society | -- |
| Lewis County Hospital Foundation Inc. | -- |
| Lewis County Humane Society | -- |
| Lewis Ida Community Development Corporation | 4 |
| Lowville Academy All Sports Booster Club Inc. | -- |
| Lowville Fire Dept Inc. | -- |
| Lowville Free Library | -- |
| Lyons Falls Housing Development Fund Company Inc. | -- |
| Maple Ridge Center Inc. | -- |
| McSweeney Foundation Inc. | 4 |
| Mountain View Prevention Services | -- |
| New Bremen Community Improvement Assn Inc. | -- |
| Pratt-Northam Foundation | 4 |
| Snow Belt Housing Company Inc. | -- |
| South Lewis Housing Development Fund Company Inc. | -- |
| Unirondack Inc. | -- |
| West Martinsburg Scottish-Irish Arts Society Inc. | 4 |