US WARN layoff notices › Employers › C › Core-Mark
Official state WARN filings by Core-Mark since 1988, normalized from state labor department sources. Latest notice: 2020-05-01.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2020-05-01 | Utah | SLC | 79 | — | — |
| 2019-04-02 | California | South San, San Mateo County | 18 | 2019-05-31 | Closure Permanent |
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.