US WARN intelligence

Ontario, California WARN notices

Ontario, California has 111 non-cancelled imported WARN notices reporting 8,617 workers affected. 0 notices have future effective dates. These totals cover imported records only.

What the official notice history shows

During the last 365 days, this imported archive contains 1 eligible official filings for Ontario, California, reporting 18 affected workers. 0 worker counts are unavailable. The newest official notice date is Aug 5, 2026.

111 non-cancelled direct government records and 0 attributed secondary records appear in the full archive. Recent official event types: layoff. These figures describe notices, not unique people or completed layoffs. Grouped company names do not establish ownership.

Compare original weekly and monthly official-data reports → · How dates, names and counts are interpreted

111Non-cancelled notices
8,617Reported workers
0Future effective dates
Coverage is limited to connected sources and imported date ranges. 0 notices have unavailable worker counts. Company groups match normalized names; aliases below preserve exact employer names from filings. Methodology →

Notice history by year

20261 notices · 18 reported workers
20214 notices · 143 reported workers
202056 notices · 3,832 reported workers
201911 notices · 634 reported workers
20189 notices · 561 reported workers
20178 notices · 532 reported workers
201615 notices · 2,222 reported workers
20154 notices · 222 reported workers
20143 notices · 453 reported workers

Filings and attributed reports

Company / locationWorkersEffective dateNotice dateType / source
Sport ChaletOntario, CA82Jun 14, 2016Apr 15, 2016closureSource ↗
SchenkerOntario, CA52Jun 5, 2016Mar 30, 2016closureSource ↗
Hub Group TruckingOntario, CA131Mar 31, 2016Jan 29, 2016closureSource ↗
Blue Shield of CaliforniaOntario, CA2Mar 28, 2016Jan 28, 2016layoffSource ↗
SuchmanOntario, CA32Apr 1, 2016Dec 11, 2015closureSource ↗
ExelOntario, CA92Jan 18, 2015Nov 11, 2015closureSource ↗
StaplesOntario, CA41Jun 19, 2015Apr 17, 2015closureSource ↗
United AirlinesOntario, CA57May 17, 2015Mar 6, 2015layoffSource ↗
INTELLISOURCEOntario, CA312Feb 8, 2015Dec 5, 2014closureSource ↗
AtriumOntario, CA131Dec 31, 2014Oct 3, 2014closureSource ↗
Super Glue/Pacer TechnologyOntario, CA10Oct 22, 2014Aug 22, 2014layoffSource ↗

111 notices · Source check Oct 10, 2026