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Data / Nonprofits / Oklahoma / Duncan / Community improvement and capacity building

Community improvement and capacity building nonprofits in Duncan, OK: 7 registered with the IRS

7 community improvement and capacity building nonprofits are registered with the IRS in Duncan, OK, 6 of them 501(c)(3) charities; the 3 that report revenue took in $4.6 million. The largest by revenue: Duncan Area Economic Development Foundation ($4.5 million), Main Street Duncan Inc ($116,306), International Association of Lions Clubs ($29,013).

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.

Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Duncan Area Economic Development Foundation501(c)(3)1998$4.5 million$28.1 million2024-12
Main Street Duncan Inc501(c)(3)1987$116,306$130,1892026-06
International Association of Lions Clubs501(c)(4)1960$29,013$45,1582026-06
Comanche Area Economic Development Foundation501(c)(3)2003$0$02025-12
Crosswind Horizons Foundation501(c)(3)2024$17,1722025-12
Justuff 4 Life Inc501(c)(3)2025
McCasland Foundation Inc501(c)(3)2024$34.3 million2024-12

Other causes in Duncan, OK

Every nonprofit in Duncan, OK · 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.