US WARN intelligence

PREMCOR REFINING GROUP layoffs & WARN notices

PREMCOR REFINING GROUP appears in 1 non-cancelled imported WARN records across 1 states. These records report 317 affected workers; 0 have future effective dates. Totals include imported records only. Secondary records are attributed separately.

What the official notice history shows

During the last 365 days, this imported archive contains 0 eligible official filings for PREMCOR REFINING GROUP. Worker counts are unavailable for this period. 0 worker counts are unavailable.

0 non-cancelled direct government records and 1 attributed secondary records appear in the full archive. 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

1Non-cancelled notices

317Reported 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 →

State breakdown

State	Notices	Reported workers	Upcoming events
Illinois	1	317	0

Illinois →

Reported employer names

PREMCOR REFINING GROUP INC.

Notice history by year

20021 notices · 317 reported workers

Filings and attributed reports

Company / location	Workers	Effective date	Notice date	Type / source
PREMCOR REFINING GROUPHARTFORD, 201 EAST HAWTHORNE · IL recordSecondary · WARN Feed	317	Unavailable	Mar 27, 2002	UnavailableSource ↗

1 notices · Source check Oct 8, 2026