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Data / Nonprofits / Washington / Index

Nonprofits in Index, WA: 16 registered with the IRS

16 nonprofits are registered with the IRS in Index, WA, 13 of them 501(c)(3) charities; the 3 that report revenue took in $1.4 million. The largest by revenue: Western States Association of Union Contractors ($674,182), Western Washington Signatory Painting Employers Assoc ($666,018), Washington Association of Signatory Glazing Contractors Inc ($94,578).

SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Western States Association of Union ContractorsEmployment501(c)(6)2024$674,182$454,1192025-12
Western Washington Signatory Painting Employers Assoc501(c)(6)1996$666,018$946,0642026-02
Washington Association of Signatory Glazing Contractors IncCommunity improvement and capacity building501(c)(6)2024$94,578$179,3172025-06
Aquarian Tabernacle Church Archpriesthood501(c)(3)1991
Aquarian Tabernacle Church Inc501(c)(3)1991
Aquarian Tabernacle Church Inc501(c)(3)1991
Aquarian Tabernacle Church Inc501(c)(3)1991
Aquarian Tabernacle Church Incorporated501(c)(3)1991
Aquarian Tabernacle Church Incorporated501(c)(3)1991
Aquarian Tabernacle Church Incorporated501(c)(3)1991
Edge EffectYouth development501(c)(3)2012$0$02025-12
Friends of Heybrook RidgeEnvironment501(c)(3)2007$0$02025-12
Index Art FestivalArts, culture and humanities501(c)(3)2026
Index Climbers CollectiveRecreation and sports501(c)(3)2023$0$02025-12
Index Historical SocietyArts, culture and humanities501(c)(3)1997$0$02025-12
Spiralscouts International Inc501(c)(3)1991

Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.