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Data / Nonprofits / New York / Hauppauge / Community improvement and capacity building

Community improvement and capacity building nonprofits in Hauppauge, NY: 12 registered with the IRS

12 community improvement and capacity building nonprofits are registered with the IRS in Hauppauge, NY, 6 of them 501(c)(3) charities; the 7 that report revenue took in $5.9 million. The largest by revenue: London & Partners Us Limited ($2.3 million), National Electrical Contractors Assoc Inc ($1.7 million), Manufacturing Consortium of Long Island Corp ($793,554).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
London & Partners Us Limited501(c)(6)2007$2.3 million$280,1762026-03
National Electrical Contractors Assoc Inc501(c)(6)1950$1.7 million$3.2 million2025-12
Manufacturing Consortium of Long Island Corp501(c)(6)2020$793,554$683,3842024-12
Empire State Carpenters Apprenticeship R E Corp501(c)(2)2004$561,663$6.5 million2025-12
Long Island Development Corporation501(c)(3)1981$419,874$14.4 million2025-09
Read 2 Lead Afghanistan Corp501(c)(3)2021$81,921$3,8332024-12
Long Island Small Business Assistance Corp501(c)(3)1998$7,536$477,8582024-12
Knights of Columbus501(c)(8)1940$0$02025-12
Long Island Chapter of the Society of Financial Service Professionals501(c)(6)2003$0$02025-06
Long Island Partnership Community Development Corporation501(c)(3)1998$0$6,0572024-12
Recreation and Economi Development Corporation of Suffolk501(c)(3)2018
Suffolk County Landbank Corporation501(c)(3)2014

Other causes in Hauppauge, NY

Every nonprofit in Hauppauge, NY · Community improvement and capacity building nonprofits across the state · 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.