| Name | Deductibility Code |
| Calvary Chapel of Montesano | -- |
| Chehalis Valley Historical Society | -- |
| Childrens Advocacy Center of Grays Harbor | -- |
| Columbia Pacific Resource Conservation & Economic Dev Dist | -- |
| East County Girls Softball Association Inc. | -- |
| Eyecare Wecare Foundation | -- |
| Family Discipleship Ministries Inc. | -- |
| Forest C and Ruth V Kelsey Foundation | 4 |
| Friends Landing Inc. | -- |
| Grays Harbor Audubon Society | -- |
| Grays Harbor Hunter Education Association | -- |
| Haiti Arise Ministries Inc. | -- |
| Hero Trainers | -- |
| Mabelle M George Educational Trust | 3 |
| Montesano Class Act Reunion Group | -- |
| Montesano Community Center | -- |
| Montesano Community Outreach | -- |
| Montesano Food Bank | -- |
| Montesano Football Parents Club | -- |
| Montesano Volunteer Fire Department | 6 |
| Montesano Youth Football | -- |
| Road Rage Victims of America | -- |
| Silvia Center Community Club | -- |
| The Montessano Boosters Association | -- |