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Data / Nonprofits / California / Ontario / Community improvement and capacity building

Community improvement and capacity building nonprofits in Ontario, CA: 17 registered with the IRS

17 community improvement and capacity building nonprofits are registered with the IRS in Ontario, CA, 11 of them 501(c)(3) charities; the 11 that report revenue took in $42 million. The largest by revenue: Benson House Inc ($26.3 million), Ampac Tri-State CDC Inc ($7.2 million), Greater Ontario Convention and Visitors Bureau ($5.6 million).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Benson House Inc501(c)(3)1995$26.3 million$9.8 million2024-12
Ampac Tri-State CDC Inc501(c)(3)2006$7.2 million$18.7 million2024-12
Greater Ontario Convention and Visitors Bureau501(c)(6)2024$5.6 million$371,0792025-06
Aircondting & Refrgration CNTRCTRS Assoc & the Mechancl CNTRCTRS Asso501(c)(6)1944$1.7 million$3.1 million2025-08
Downtown Ontario Improvement Association501(c)(3)2020$481,757$489,0832025-11
International Serum Industry Association501(c)(6)2007$387,778$340,2542025-06
Onlone Tribe of Carmel First Settlers of Chino Valley C501(c)(3)2023$189,933$1002025-12
Chinese American Ceo Organization501(c)(6)2001$114,195$402,3342025-12
Inland Empire Economic Partnership Foundation501(c)(3)1997$72,112$750,1992024-12
California Alliance for Golf501(c)(6)2013$65,014$65,1552024-12
M I Part-Nors Financial Services501(c)(3)2017$52,415$392,8542023-12
Ask Our Pastor501(c)(3)2023$0$02024-01
Beards for Change Inc501(c)(3)2025
Kiwanis Club of Ontario California Foundation501(c)(3)2014$0$02025-09
Ontario Hispanic Chamber of Commerce501(c)(6)2015$0$02025-12
Rental Services Industry Foundation501(c)(3)1995$0$02023-08
Southern California Mothers of Multiples Clubs Incorporated501(c)(3)2016$0$02025-05

Other causes in Ontario, CA

Every nonprofit in Ontario, CA · 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.