In the 12 months to October 20, 2026, employers filed 26 WARN notices for sites in the St. Louis, MO-IL area, naming 2,427 workers. 20 employers filed them. The 12 months before had 30 notices naming 4,364 workers.
Notices dated October 21, 2025 to October 20, 2026. By state, in workers: Missouri 1,644, Illinois 783. What we count.
The 10 largest of 20 employers, by workers named.
Newest first. The date shown is the notice date, or the effective date where a state publishes only that. How to read a WARN notice.
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Other metro areas with large notices
Source: the open WARN Notice Register, which consolidates the WARN listings that state workforce agencies publish. Our copy is current through October 20, 2026. WARN notices are the advance filings that employers with roughly 100 or more employees send to state agencies before a layoff or closure, typically 60 days ahead. Each entry is a filing: headcounts and dates are as the employer or state recorded them, a notice can later be revised, and a count tracks company size as well as layoffs. A notice is placed in a metro area by the site its state lists: the city (the same city and ZIP tables the free salary pages use), then a ZIP code, then a county. A notice with a statewide or unnamed site, or a town outside those tables, counts in its state's page only, so this page can omit notices that sit in the St. Louis, MO-IL area. 291,077 of the 359,227 workers named in the year, 81%, are placed in a metro area. A listing that repeats an earlier one is counted once, and a notice the register labels is left out of the counts. How to read layoff notice data sets out what the notices can and cannot say and why some are missing. Informational only; not legal, immigration, or financial advice.
Wage data: U.S. Department of Labor OFLC LCA Disclosure Data and U.S. Bureau of Labor Statistics OEWS. LCA filings reflect sponsored-worker wage offers, which skew toward mid-large employers and specific occupations — treat any estimate built from a small sample cautiously. Informational only; not legal, immigration, or financial advice.