US WARN layoff notices › Employers › T › Thermal Structures
Official state WARN filings by Thermal Structures since 1988, normalized from state labor department sources. Latest notice: 2025-09-16.
| Notice date | State | Location | Employees | Effective date | Type |
|---|---|---|---|---|---|
| 2025-09-16 | California | Riverside County | 447 | 2025-11-24 | Closure Temporary |
| 2025-08-25 | Indiana | Plainfield | 155 | 2025-11-24 | CL (Holiday) |
| 2024-10-09 | California | Riverside County | 40 | 2024-11-25 | Closure Temporary |
| 2020-10-28 | California | Corona, Riverside County | 350 | 2020-10-23 | Layoff Temporary |
| 2019-10-15 | California | Corona, Riverside County | 400 | 2019-12-23 | Closure Temporary |
| 2018-10-31 | California | Corona, Riverside County | 1 | 2018-12-26 | Closure Temporary |
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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