US WARN layoff notices › Employers › S › Shell Catalyst & Technologies
Official state WARN filings by Shell Catalyst & Technologies since 1988, normalized from state labor department sources. Latest notice: 2026-09-09.
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| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2026-09-09 | California | Contra Costa County | 64 | 2026-11-30 | Closure Permanent |
| 2024-10-17 | California | Contra Costa County | 59 | 2024-12-31 | 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.
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