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Data / Nonprofits / New York / West Islip / Community improvement and capacity building

Community improvement and capacity building nonprofits in West Islip, NY: 8 registered with the IRS

8 community improvement and capacity building nonprofits are registered with the IRS in West Islip, NY, 3 of them 501(c)(3) charities; the 3 that report revenue took in $379,046. The largest by revenue: Medical Staff of Good Samaritan Hospital Medical Center ($231,429), Oak Neck Lane Association Inc ($113,256), Willetts Point Club Inc ($34,361).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Medical Staff of Good Samaritan Hospital Medical Center501(c)(6)2014$231,429$412,1602025-12
Oak Neck Lane Association Inc501(c)(4)2014$113,256$710,7462026-04
Willetts Point Club Inc501(c)(4)2003$34,361$224,5082024-12
Islip Ares Group501(c)(3)1995$0$02026-01
Long Island Dental Hygienists Association501(c)(6)2016$0$02026-06
Long Island Wound Healing Association501(c)(3)2010$0$26,2122024-12
True Harbour Civic Association Inc501(c)(4)2003$0$02025-12
West Islip Association501(c)(3)2010$0$02025-12

Other causes in West Islip, NY

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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.