Total Workers Affected
2,477
Across all WARN notices
Employer · WARN Act history · Manufacturing
2,477 workers across 2 WARN notices, primarily in IN - recorded in the current PlainLayoffs dataset.
ArcelorMittal USA has 2 recorded WARN filings affecting 2,477 workers
According to WARN Act filings submitted to state workforce agencies, ArcelorMittal USA has 2 recorded filings covering 2,477 workers across 1 state, primarily IN, the 55th-largest recorded WARN footprint among 6,916 tracked employers. WARN only covers mass layoffs at employers with 100+ employees, so this is a floor on the employer's actual workforce changes.
The verdict
ArcelorMittal USA put 2,477 workers on WARN notice across 2 filings - the 55th-largest WARN footprint of 6,916 tracked employers.
6,916 employers with a WARN filing, bucketed by total workers affected
Total Workers Affected
2,477
Across all WARN notices
Number of Notices
2
Recorded WARN Act filings
Latest Event Date
Apr 2020
Most recent filing
Not all layoffs appear in WARN data, see our methodology for the federal + state coverage thresholds.
2,477 workers across recorded WARN events, a raw count, not adjusted for the employer's total headcount.
East Chicago, IN · Manufacturing
Effective: Apr 12, 2020
33
workers
Filed Apr 13, 2020
Burns Harbor, IN · Manufacturing
Effective: Jan 25, 2009
2,444
workers
Filed Nov 21, 2008
| # | Employer | Workers cut | Notices | Lead state |
|---|---|---|---|---|
| 1 | Boeing | 33,263 | 54 | WA |
| 2 | Intel | 27,438 | 5 | TX |
| 3 | Nokia | 14,000 | 1 | TX |
| 4 | Rivian Automotive | 6,700 | 1 | IL |
| 5 | Dell Technologies | 6,650 | 1 | TX |
| 6 | General Motors | 4,000 | 1 | MI |
| 7 | HP | 4,000 | 1 | CA |
| 8 | Ford Motor | 3,000 | 1 | MI |
| 9 | ArcelorMittal USA (this page) | 2,477 | 2 | IN |
What this means for IN workers
ArcelorMittal USA has 2 recorded WARN filings covering 2,477 workers, most recently on Apr 13, 2020.
WARN Act filings only capture layoffs of 50+ workers at sites of 100+ employees, so smaller reductions, contractor non-renewals, and voluntary separations are not shown here.
ArcelorMittal USA has 2 WARN Act filings in this dataset, covering 2,477 workers between Nov 21, 2008 and Apr 13, 2020. As with any WARN count, the true figure runs somewhat higher (why). By total workers affected, ArcelorMittal USA ranks #3 of 805 tracked employers in IN. Among the 8 other Manufacturing employers with recorded WARN filings, the median is 6,675 affected workers -- ArcelorMittal USA's 2,477 sits well below that group's typical scale. Every recorded filing was reported to IN's workforce agency, in the Manufacturing sector -- a single-state footprint, unlike the multi-state pattern common among larger employers.
Averaging 1,239 workers per notice, ArcelorMittal USA's filings fall into a pattern that resembles full-facility closures or company-wide restructuring, events that can reshape local labor markets for years. The 2 notices on file represent distinct events, each triggering a 60-day advance warning obligation that fed into state rapid-response systems.
Workers on IN-based ArcelorMittal USA notices should contact the IN workforce agency directly, response teams, severance negotiation guidance, and TAA (Trade Adjustment Assistance) screening move fastest in the days immediately following a notice. See what to do after a layoff for the full benefits timeline. This record reflects filed notices only; subsequent hiring, rescinded closures, or facility reopenings are not tracked by WARN disclosures.
ArcelorMittal USA has filed 2 WARN Act notices affecting 2,477 workers across 1 state. The most recent notice was filed on Apr 13, 2020.
According to WARN Act filings, ArcelorMittal USA has affected 2,477 workers total, averaging 1,239 workers per notice.
ArcelorMittal USA has filed WARN notices in 1 state: IN.
The Worker Adjustment and Retraining Notification (WARN) Act requires employers with 100+ employees to provide 60 days advance notice of plant closings and mass layoffs affecting 50 or more workers. Not all layoffs require WARN notice.
Workers affected by a WARN-notified layoff may be eligible for unemployment insurance, COBRA health coverage continuation, job retraining through the Trade Adjustment Assistance program, and severance packages if offered by the employer. State workforce agencies often provide additional rapid response services.
ArcelorMittal USA has affected 2,477 workers across 2 WARN filings in the Manufacturing sector. The federal WARN Act only captures layoffs affecting 50 or more workers, so actual workforce changes may be larger.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from state WARN Act filings. Consult a qualified professional before making decisions based on this data.
The full PlainLayoffs employer roster, covering every recorded employer including ArcelorMittal USA, is available as CSV. Underlying WARN Act filings are public records; see our methodology for the compilation method.
Every figure on PlainLayoffs is rendered directly from public WARN Act filings and state workforce agency records, no number is typed in by an editor. This employer's notice history is rendered directly from state WARN Act filings. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026. A WARN filing is a legally required notice, not a judgment of a company's management or financial health; rankings here reflect filed notice volume only.
| Publisher | PlainLayoffs |
| Sources | Public state WARN-Act layoff registries |