| Dukes Auto ClubSpokane | Form 990-N | No figure |
| Dream Change IncBainbridge Island | Form 990-N | No figure |
| Salmon Creek Watershed CouncilWashougal | Form 990-N | No figure |
| Palouse Prairie Foundation IncPullman | Form 990-N | No figure |
| People for an Environmentally Responsible KenmoreKenmore | Form 990-N | No figure |
| North Central Washington Dahlia SocietyEast Wenatchee | Form 990-N | No figure |
| Bushwhacker Climbing ClubSeattle | Form 990-N | No figure |
| Ice Age Floods InstituteRichland | Form 990-N | No figure |
| Snohomish Garden ClubSnohomish | Form 990-N | No figure |
| Master Gardener Foundation of Grant-Adams CountiesEphrata | Form 990-N | No figure |
| Greater New Northwest Healing Rooms and Deliverance MinistryEverett | Form 990-N | No figure |
| Citizens for Improving Long LakePort Orchard | Form 990-N | No figure |
| Suquamish Garden ClubSuquamish | Form 990-N | No figure |
| San Andreas Land ConservancyTokeland | Form 990-N | No figure |
| Lonesome Lake Preservation GroupMaple Falls | Form 990-N | No figure |
| Washington Sensible Shorelines AssociationBellevue | Form 990-N | No figure |
| Salish Sea Habitat IncEverett | Form 990-N | No figure |
| Watch This FourwheelerzBonney Lake | Form 990-N | No figure |
| Friends of Waterway 1Seattle | Form 990-N | No figure |
| Shelton View Forest Stewardship AssociationBothell | Form 990-N | No figure |
| Greenbank Garden ClubGreenbank | Form 990-N | No figure |
| Mining Standards FoundationBlaine | Form 990-N | No figure |
| Friends of Nathan Hale Horticulture and Urban FarmSeattle | Form 990-N | No figure |
| Oak Harbor Garry Oak SocietyOak Harbor | Form 990-N | No figure |
| Edgewoods Friends of the ParksTacoma | Form 990-N | No figure |
| Sno-King Environmental Protection Coalition SepcShoreline | Form 990-N | No figure |
| Friends of Diamond Lake Washington FoundationChewelah | Form 990-N | No figure |
| Okanogan Highlands Lavender FarmTonasket | Form 990-N | No figure |
| South Whidbey Garden ClubClinton | Form 990-N | No figure |
| Maple Falls Park Development and Maintenance GroupMaple Falls | Form 990-N | No figure |
| Stuntz Mycology FundSeattle | Form 990-N | No figure |
| Washington State Youth Conservation CampsGraham | Form 990-N | No figure |
| Carbon Washington FoundationSeattle | Form 990-N | No figure |
| Riverjunky Conservation IncSilverlake | Form 990-N | No figure |
| Conservation Made SimpleMill Creek | Form 990-N | No figure |
| Sequim Botanical Garden SocietySequim | Form 990-N | No figure |
| 350 SpokaneSpokane | Form 990-N | No figure |
| Tanan EnitadegSeattle | Form 990-N | No figure |
| Beach and Sea Ocean Plastic Recovery and RecyclingColville | Form 990-N | No figure |
| 350 EastsideSammamish | Form 990-N | No figure |
| Net ImpactSeattle | Form 990-N | No figure |
| Made in Puget SoundShoreline | Form 990-N | No figure |
| Coalition to Protect Puget SoundGig Harbor | Form 990-N | No figure |
| Friends of Spanaway LakeSpanaway | Form 990-N | No figure |
| Olmsted-Fairview Park ComissionSeattle | Form 990-N | No figure |
| Reconnect EarthBellingham | Form 990-N | No figure |
| Climate CaravanMercer Island | Form 990-N | No figure |
| Vashon Island Fair SkiesVashon | Form 990-N | No figure |
| Biota MaximaWinthrop | Form 990-N | No figure |
| American Penstemon SocietyGoldendale | Form 990-N | No figure |