- Adams County Health Department
- Benton-Franklin Health District
- Chelan-Douglas Health District
- Clark County Health Department
- Columbia Basin Health Association
- Columbia County Health District
- Columbia Valley Community Health
- Cowlitz Family Health Center
- Benton-Franklin Health District
- Garfield County Health District
- Garfield County Health District
- Grays Harbor County Public Health
- Island County Health Department
- Kitsap Community Resources
- Kittitas County Health Department
- Lincoln County Public Health Coalition
- Mary Bridge Children's Health Center
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- Mattawa Community Medical Clinic
- Moses Lake Community Health Center
- Pacific County Health Department
- Public Health-Seattle & King County
- Port Gamble S'Klallam Tribe
- Pregnancy Aid of Snohomish
- Sea Mar Community Health Centers
- Seattle Indian Health Board
- Skagit County Community Action
- Snohomish Health District
- S. Puget Intertribal Planning Agency
- Spokane Regional Health District
- Thurston County Public Health
- Wahkiakum County Health Department
- West Central Community Center
- Whatcom County Health Department
- Yakima Neighborhood Health Services
- Yakima Valley Farm Workers Clinic
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