Ontario, California Nonprofits

Browse Ontario, California nonprofits in 2026. AI-powered transparency reports with spending, CEO pay, and mission scores.

28Nonprofits
$1.5BTotal Revenue

Top Nonprofits in Ontario

1. Prime Healthcare Foundation Inc

E20 · $1.1B revenue

2. Iapmo Research And Testing Inc

· $67.4M revenue

3. Real Journey Academies Inc

B29 · $63.3M revenue

4. Unicare Community Health Center Inc

B99 · $41.6M revenue

5. International Association Of Plumbing And Mechanical Officials

· $32.4M revenue

6. Benson House Inc

S80Z · $26.3M revenue

7. Inland Southern California 211

T40Z · $24.2M revenue

8. Ontario Christian School Association

B200 · $20.5M revenue

9. Inland Christian Home Inc

P750 · $16.2M revenue

10. Mark H & Blanche M Harrington Foundation

· $10.9M revenue

Categories in Ontario

NTEE B: 5 orgs NTEE S: 3 orgs NTEE J: 2 orgs NTEE P: 2 orgs NTEE G: 1 orgs NTEE Z: 1 orgs NTEE T: 1 orgs NTEE F: 1 orgs

All Ontario Organizations

Sickle Cell Disease Foundation Of California

G30 · $3.5M revenue

Mark H & Blanche M Harrington Foundation

· $10.9M revenue

Unicare Community Health Center Inc

B99 · $41.6M revenue

Iapmo Research And Testing Inc

· $67.4M revenue

Futuro Infantil Hispano

Z99 · $3.5M revenue

Western States Drywall Lathing Industry Lm Co Op Committee Inc

· $5.2M revenue

Anthesis Services

J300 · $8.3M revenue

Inland Southern California 211

T40Z · $24.2M revenue

Asbestos Workers Joint Apprenticeship Fund

· $3.8M revenue

West End Family Counseling Service

F32Z · $5.9M revenue

Ontario Christian School Association

B200 · $20.5M revenue

International Association Of Plumbing And Mechanical Officials

· $32.4M revenue

Ontario Cementery Association

· $5.6M revenue

International Association Of Heat & Frost Insulators & Allied Workers

· $6.6M revenue

District Council Of Ironworkers Of The State Of California & Vicinity

· $8.6M revenue

California Credit Union League

· $9.2M revenue

Sporting California Inc

N64 · $4.2M revenue

Ampac Tri State Cdc Inc

S31 · $7.2M revenue

Building Bridges Foster Family Agency

P32 · $9.1M revenue

Greater Ontario Convention And Visitors Bureau

S31 · $5.6M revenue

Warehouse Worker Resource Center

J20 · $3.0M revenue

Divine Truth Unity Fellowship Church

X20Z · $3.6M revenue

Benson House Inc

S80Z · $26.3M revenue

Scpga Foundation Inc

B99Z · $5.4M revenue

Real Journey Academies Foundation Inc

B12 · $3.5M revenue

Real Journey Academies Inc

B29 · $63.3M revenue

Inland Christian Home Inc

P750 · $16.2M revenue

Prime Healthcare Foundation Inc

E20 · $1.1B revenue

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