| Name | Deductibility Code |
| Adopt A Pet | -- |
| Angels in the Field | -- |
| Beginning Christian Church | -- |
| Betty Willing Foundation | 4 |
| Black Hills All-Star Cheerleaders Booster Association | -- |
| Bordeaux Parent Teacher Student Organization | -- |
| Bread of Life for Haiti | -- |
| Bridge Community Church | -- |
| Building Trades Labor-Management Organization of Washington State | -- |
| Capitol Repeater Group | -- |
| Care Net Pregnancy Center of Mason County | -- |
| Center for Advocacy and Personal Development | -- |
| Christmas Giving Arts and Crafts Fair | -- |
| Covenant Ministries | -- |
| Doug Hanna Memorial Scholarship | 4 |
| Endeavor Resources | -- |
| Exceptional Foresters Incorporated | -- |
| Faith Community Childcare Center | -- |
| Feline Friends | -- |
| Frank Family Foundation | 3 |
| Friends of the William G Reed Library | -- |
| Gateway Christian Fellowship | -- |
| Global Democratic Citizens Union | -- |
| Global Partnership Ministries | -- |
| Harstine Island Community Choir | -- |
| Harstine Island Theater Foundation | -- |
| Hypatia-In-The-Woods | -- |
| Jcs Health Foundation | 4 |
| Karen Nash Memorial Butterfly Garden Incorporated | -- |
| Kitten Rescue of Mason County | -- |
| Kiwanis Club of Shelton Welfare Fund | -- |
| Light of Christ Harvest Church | -- |
| Literacy Alliance | -- |
| Little Skookum Community Club | -- |
| Mason County Childrens Dental Coalition | -- |
| Mason County Christian Radio | -- |
| Mason County Community Concert Association | -- |
| Mason County Community Development Council | -- |
| Mason County Counseling Resources | -- |
| Mason County Fire Protection District No 4 Firefighters and Aux | -- |
| Mason County Foster Parent Association | -- |
| Mason County Historical Society | -- |
| Mason County Hiv-Aids Advisory Council | -- |
| Mason County Literacy | -- |
| Mason County Search and Rescue Dive Unit | -- |
| Mason County Senior Activities Association | -- |
| Mason County Shelter | -- |
| Mason Matters | -- |
| Mason-Corozal Sister County Assn | 4 |
| McDap | -- |
| Olympic Middle School Ptso | -- |
| Olympic Peninsula Community Foundation | -- |
| Parent Teacher Student Organization of Mountain View Elementary School | -- |
| Peninsula Art Association | 4 |
| Pickering Homemakers Club Inc. | -- |
| Pioneer Community Church Inc. | -- |
| Pioneer Schools Foundation | -- |
| Public Hospital District No 1 of Mason County | -- |
| Quick Water Swim Club | -- |
| Regional Transportation Partners Incorporated | -- |
| Resident Peaceniks | -- |
| Saints Pantry Food Bank | -- |
| Save Our County Kids | -- |
| Shelton Cemetery Association Shelton Memorial Park | 6 |
| Shelton Church of Christ | -- |
| Shelton Co-op Preschool | -- |
| Shelton High School Band Boosters | -- |
| Shelton Hospital Association | 4 |
| Shelton Jr Programs Incorporated | -- |
| Shelton Kiwanis Foundation | -- |
| Shelton Pre-School Association | -- |
| Shelton Schools Foundation | -- |
| Shelton Valley Christian Development Center | -- |
| Shelton Youth Programs | -- |
| Shs Touchdown Club | -- |
| Skokomish Community Church | -- |
| Sonrise Outreach | -- |
| South Mason Youth Soccer Club | -- |
| South Puget Intertribal Planning | -- |
| South Sound Book Review Council | -- |
| South Sound Recovery Services | -- |
| Southside School Booster Club | -- |
| Southwest Puget Sound Watershed Council | -- |
| Squaxin Island Museum Libray and Research Center Inc. | -- |
| Strategies for Youth | -- |
| The Tributary | -- |
| Toys for Kids Plus | -- |
| Treasures Thrift Store | -- |
| Turning Pointe Domestic Violence Service | -- |
| United Way of Mason County | -- |
| Washington Plan Inc. | -- |
| White Buffalo Pipe Society | -- |
| White Eagle Spirit Foundation | -- |