| Name | Deductibility Code |
| Coulee Community Hospital Guild | -- |
| Coulee Medical Foundation | -- |
| Douglas Grant Lincoln & Okanogan Counties Public Hospital Dist 6 | -- |
| Douglas Grant Lincoln & Okanogan Counties Public Hospital Dist 6 | -- |
| Grand Coulee Dam Pre School Nursery | -- |
| Grand Coulee Dam PTA | -- |
| Grand Coulee Dam Seniors Inc. | -- |
| Grand Coulee High School Alumni Assoc | -- |
| Planet Earth Players Pep | -- |