US WARN layoff notices › Employers › N › National Steel
Official state WARN filings by National Steel since 1988, normalized from state labor department sources. Latest notice: 2018-08-03.
Filed under 3 spellings in state records, merged on this page: National Steel and Shipbuilding; National Steel Service Center.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2018-08-03 | California | San Diego, San Diego County | 1,493 | 2018-09-26 | Layoff Unknown at this time |
| 2017-01-10 | California | San Diego | 844 | 2017-01-09 | Layoff Permanent |
| 2003-02-21 | Michigan | Canton | 0 | — | Facility Closure |
| 2003-02-21 | Michigan | Trenton | 11 | — | Facility Closure |
| 2003-02-21 | Michigan | Ecorse | 200 | — | Facility Closure |
| 2003-02-21 | Michigan | Detroit | 0 | — | Facility Closure |
| 2003-02-19 | Illinois | GRANITE CITY, 1951 STATE STREET | 2,700 | 2002-04-08 | State |
| 1990-03-22 | Illinois | Evanston, 2424 W Oakton | 54 | — | State |
Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.
One click opens the free checker with National Steel already in the list; add the rest of your accounts and it matches them in your browser — no account, no email, nothing sent anywhere. WARN Watch is the paid version that re-checks your list on every daily refresh for you and posts new matches to a private alert page, an RSS feed and a Slack or Teams webhook.
Check National Steel now — free, no signupHave it watched for you — free for 30 daysThe trial needs no card. After it, WARN Watch is $49 for a year — one payment, no auto-renew, 14-day refund. The notice data on this page stays free either way.